Clear night
Feels like 15°C
Wind direction north
Gusts 3 km/h
Humidity 88%
Cloud cover 1%
Pressure 1021 hPa
Now · 1:58 AM
Hamilton Weather & Hourly Forecast
Canada · Ontario
14°C
Clear night
Feels like: 15°C
💧 Humidity 88%
🌡 Pressure 1021 hPa
💨 Wind 2 km/h
👁 Visibility 30.4 km
☁ Clouds 1%
☀️ UV index 0.0 · Low
🌅 Sunrise —
🌇 Sunset —
Hourly Forecast for Hamilton
Today
Clear night
Clear night
Feels like 12°C
Wind direction northwest
Gusts 10 km/h
Humidity 94%
Cloud cover 0%
Pressure 1022 hPa
Mostly sunny
Feels like 13°C
Wind direction northwest
Gusts 15 km/h
Humidity 93%
Cloud cover 34%
Pressure 1023 hPa
Sunny
Feels like 22°C
Wind direction north
Gusts 18 km/h
Humidity 63%
Cloud cover 12%
Pressure 1024 hPa
Mostly cloudy
Feels like 23°C
Wind direction east
Gusts 17 km/h
Humidity 51%
Cloud cover 74%
Pressure 1023 hPa
Mostly sunny
Feels like 22°C
Wind direction east
Gusts 22 km/h
Humidity 57%
Cloud cover 26%
Pressure 1022 hPa
Mostly clear night
Feels like 19°C
Wind direction south
Gusts 11 km/h
Humidity 80%
Cloud cover 15%
Pressure 1023 hPa
Clear night
Feels like 16°C
Wind direction west
Gusts 11 km/h
Humidity 90%
Cloud cover 12%
Pressure 1024 hPa
Tomorrow
Overcast night
Feels like 15°C
Wind direction northwest
Gusts 11 km/h
Humidity 93%
Cloud cover 95%
Pressure 1024 hPa
Partly cloudy night
Feels like 15°C
Wind direction northwest
Gusts 10 km/h
Humidity 94%
Cloud cover 48%
Pressure 1024 hPa
Mostly cloudy
Feels like 16°C
Wind direction northeast
Gusts 8 km/h
Humidity 93%
Cloud cover 64%
Pressure 1025 hPa
Mostly cloudy
Feels like 22°C
Wind direction southeast
Gusts 18 km/h
Humidity 72%
Cloud cover 91%
Pressure 1025 hPa
Mostly sunny
Feels like 24°C
Wind direction south
Gusts 22 km/h
Humidity 60%
Cloud cover 33%
Pressure 1023 hPa
Overcast
Feels like 24°C
Wind direction south
Gusts 20 km/h
Humidity 60%
Cloud cover 95%
Pressure 1022 hPa
Overcast night
Feels like 20°C
Wind direction southeast
Gusts 10 km/h
Humidity 84%
Cloud cover 99%
Pressure 1022 hPa
Overcast night
Feels like 19°C
Wind direction south
Gusts 12 km/h
Humidity 79%
Cloud cover 98%
Pressure 1021 hPa
Today
Clear night
Feels like 15°C
Wind direction northGusts 3 km/h
Humidity 88%Cloud cover 1%Pressure 1021 hPa
Clear night
Feels like 14°C
Wind direction northwestGusts 6 km/h
Humidity 90%Cloud cover 1%Pressure 1022 hPa
Clear night
Feels like 12°C
Wind direction northwestGusts 10 km/h
Humidity 95%Cloud cover 0%Pressure 1022 hPa
Clear night
Feels like 12°C
Wind direction northwestGusts 10 km/h
Humidity 94%Cloud cover 0%Pressure 1022 hPa
Mostly clear night
Feels like 12°C
Wind direction northwestGusts 13 km/h
Humidity 95%Cloud cover 27%Pressure 1023 hPa
Mostly sunny
Feels like 12°C
Wind direction northwestGusts 14 km/h
Humidity 96%Cloud cover 27%Pressure 1023 hPa
Mostly sunny
Feels like 13°C
Wind direction northwestGusts 15 km/h
Humidity 93%Cloud cover 34%Pressure 1023 hPa
Mostly sunny
Feels like 18°C
Wind direction northwestGusts 15 km/h
Humidity 87%Cloud cover 16%Pressure 1023 hPa
Partly cloudy
Feels like 21°C
Wind direction northwestGusts 16 km/h
Humidity 75%Cloud cover 55%Pressure 1024 hPa
Sunny
Feels like 22°C
Wind direction northGusts 18 km/h
Humidity 63%Cloud cover 12%Pressure 1024 hPa
Mostly sunny
Feels like 23°C
Wind direction northeastGusts 17 km/h
Humidity 57%Cloud cover 23%Pressure 1024 hPa
Partly cloudy
Feels like 23°C
Wind direction northeastGusts 16 km/h
Humidity 54%Cloud cover 52%Pressure 1023 hPa
Mostly cloudy
Feels like 23°C
Wind direction eastGusts 17 km/h
Humidity 51%Cloud cover 74%Pressure 1023 hPa
Partly cloudy
Feels like 23°C
Wind direction eastGusts 16 km/h
Humidity 52%Cloud cover 62%Pressure 1023 hPa
Mostly cloudy
Feels like 23°C
Wind direction eastGusts 16 km/h
Humidity 53%Cloud cover 70%Pressure 1023 hPa
Mostly sunny
Feels like 22°C
Wind direction eastGusts 22 km/h
Humidity 57%Cloud cover 26%Pressure 1022 hPa
Sunny
Feels like 21°C
Wind direction southeastGusts 25 km/h
Humidity 64%Cloud cover 11%Pressure 1023 hPa
Sunny
Feels like 21°C
Wind direction southeastGusts 22 km/h
Humidity 75%Cloud cover 9%Pressure 1023 hPa
Mostly clear night
Feels like 19°C
Wind direction southGusts 11 km/h
Humidity 80%Cloud cover 15%Pressure 1023 hPa
Mostly clear night
Feels like 18°C
Wind direction southwestGusts 7 km/h
Humidity 83%Cloud cover 26%Pressure 1024 hPa
Clear night
Feels like 17°C
Wind direction southwestGusts 7 km/h
Humidity 87%Cloud cover 3%Pressure 1024 hPa
Clear night
Feels like 16°C
Wind direction westGusts 11 km/h
Humidity 90%Cloud cover 12%Pressure 1024 hPa
Tomorrow
Mostly clear night
Feels like 16°C
Wind direction westGusts 12 km/h
Humidity 92%Cloud cover 30%Pressure 1024 hPa
Partly cloudy night
Feels like 15°C
Wind direction westGusts 11 km/h
Humidity 93%Cloud cover 49%Pressure 1024 hPa
Overcast night
Feels like 15°C
Wind direction northwestGusts 11 km/h
Humidity 93%Cloud cover 95%Pressure 1024 hPa
Mostly cloudy night
Feels like 15°C
Wind direction northwestGusts 10 km/h
Humidity 94%Cloud cover 80%Pressure 1024 hPa
Mostly clear night
Feels like 14°C
Wind direction northwestGusts 10 km/h
Humidity 95%Cloud cover 27%Pressure 1024 hPa
Partly cloudy night
Feels like 15°C
Wind direction northwestGusts 10 km/h
Humidity 94%Cloud cover 48%Pressure 1024 hPa
Clear night
Feels like 15°C
Wind direction northwestGusts 9 km/h
Humidity 94%Cloud cover 12%Pressure 1024 hPa
Partly cloudy
Feels like 14°C
Wind direction northGusts 8 km/h
Humidity 95%Cloud cover 48%Pressure 1025 hPa
Mostly cloudy
Feels like 16°C
Wind direction northeastGusts 8 km/h
Humidity 93%Cloud cover 64%Pressure 1025 hPa
Partly cloudy
Feels like 19°C
Wind direction eastGusts 9 km/h
Humidity 86%Cloud cover 62%Pressure 1025 hPa
Partly cloudy
Feels like 21°C
Wind direction southeastGusts 13 km/h
Humidity 77%Cloud cover 59%Pressure 1025 hPa
Mostly cloudy
Feels like 22°C
Wind direction southeastGusts 18 km/h
Humidity 72%Cloud cover 91%Pressure 1025 hPa
Partly cloudy
Feels like 23°C
Wind direction southeastGusts 21 km/h
Humidity 67%Cloud cover 47%Pressure 1024 hPa
Mostly sunny
Feels like 24°C
Wind direction southGusts 22 km/h
Humidity 61%Cloud cover 29%Pressure 1024 hPa
Mostly sunny
Feels like 24°C
Wind direction southGusts 22 km/h
Humidity 60%Cloud cover 33%Pressure 1023 hPa
Partly cloudy
Feels like 25°C
Wind direction southGusts 21 km/h
Humidity 60%Cloud cover 49%Pressure 1023 hPa
Mostly cloudy
Feels like 25°C
Wind direction southGusts 20 km/h
Humidity 59%Cloud cover 75%Pressure 1022 hPa
Overcast
Feels like 24°C
Wind direction southGusts 20 km/h
Humidity 60%Cloud cover 95%Pressure 1022 hPa
Overcast
Feels like 24°C
Wind direction southeastGusts 18 km/h
Humidity 64%Cloud cover 95%Pressure 1022 hPa
Overcast
Feels like 23°C
Wind direction southeastGusts 15 km/h
Humidity 78%Cloud cover 98%Pressure 1022 hPa
Overcast night
Feels like 20°C
Wind direction southeastGusts 10 km/h
Humidity 84%Cloud cover 99%Pressure 1022 hPa
Overcast night
Feels like 19°C
Wind direction southGusts 12 km/h
Humidity 81%Cloud cover 98%Pressure 1022 hPa
Overcast night
Feels like 18°C
Wind direction southGusts 12 km/h
Humidity 80%Cloud cover 100%Pressure 1021 hPa
Overcast night
Feels like 19°C
Wind direction southGusts 12 km/h
Humidity 79%Cloud cover 98%Pressure 1021 hPa
Wednesday
Overcast night
Feels like 19°C
Wind direction southGusts 12 km/h
Humidity 84%Cloud cover 99%Pressure 1020 hPa
Overcast night
Feels like 19°C
Wind direction southGusts 12 km/h
Humidity 88%Cloud cover 98%Pressure 1020 hPa
Overcast night
Feels like 20°C
Wind direction southGusts 18 km/h
Humidity 89%Cloud cover 100%Pressure 1019 hPa
Overcast night
Feels like 21°C
Wind direction southwestGusts 23 km/h
Humidity 85%Cloud cover 100%Pressure 1019 hPa
Overcast night
Feels like 22°C
Wind direction southwestGusts 23 km/h
Humidity 86%Cloud cover 100%Pressure 1018 hPa
Overcast night
Feels like 22°C
Wind direction southwestGusts 22 km/h
Humidity 86%Cloud cover 100%Pressure 1018 hPa
Overcast night
Feels like 21°C
Wind direction southwestGusts 25 km/h
Humidity 83%Cloud cover 100%Pressure 1017 hPa
Overcast
Feels like 21°C
Wind direction southwestGusts 28 km/h
Humidity 81%Cloud cover 100%Pressure 1017 hPa
Overcast
Feels like 22°C
Wind direction southwestGusts 29 km/h
Humidity 81%Cloud cover 95%Pressure 1017 hPa
Light rain
Feels like 26°C
Wind direction southwestGusts 46 km/h
Humidity 78%Cloud cover 100%Pressure 1011 hPa
Overcast night
Feels like 23°C
Wind direction westGusts 44 km/h
Humidity 94%Cloud cover 95%Pressure 1011 hPa
Mostly clear night
Feels like 22°C
Wind direction westGusts 32 km/h
Humidity 92%Cloud cover 35%Pressure 1011 hPa
Thursday
Partly cloudy night
Feels like 20°C
Wind direction westGusts 28 km/h
Humidity 95%Cloud cover 52%Pressure 1011 hPa
Overcast night
Feels like 19°C
Wind direction westGusts 24 km/h
Humidity 95%Cloud cover 97%Pressure 1011 hPa
Overcast
Feels like 20°C
Wind direction westGusts 14 km/h
Humidity 94%Cloud cover 98%Pressure 1012 hPa
Mostly cloudy
Feels like 21°C
Wind direction westGusts 27 km/h
Humidity 66%Cloud cover 91%Pressure 1012 hPa
Mostly sunny
Feels like 21°C
Wind direction westGusts 37 km/h
Humidity 55%Cloud cover 38%Pressure 1011 hPa
Sunny
Feels like 19°C
Wind direction northwestGusts 45 km/h
Humidity 53%Cloud cover 1%Pressure 1010 hPa
Clear night
Feels like 16°C
Wind direction northwestGusts 39 km/h
Humidity 73%Cloud cover 0%Pressure 1012 hPa
Clear night
Feels like 14°C
Wind direction westGusts 16 km/h
Humidity 87%Cloud cover 0%Pressure 1014 hPa
Friday
Clear night
Feels like 11°C
Wind direction westGusts 14 km/h
Humidity 88%Cloud cover 0%Pressure 1014 hPa
Clear night
Feels like 10°C
Wind direction westGusts 13 km/h
Humidity 91%Cloud cover 0%Pressure 1015 hPa
Sunny
Feels like 11°C
Wind direction westGusts 13 km/h
Humidity 91%Cloud cover 5%Pressure 1016 hPa
Sunny
Feels like 19°C
Wind direction southwestGusts 18 km/h
Humidity 74%Cloud cover 2%Pressure 1016 hPa
Partly cloudy
Feels like 22°C
Wind direction westGusts 23 km/h
Humidity 57%Cloud cover 48%Pressure 1015 hPa
Sunny
Feels like 21°C
Wind direction southwestGusts 23 km/h
Humidity 57%Cloud cover 0%Pressure 1014 hPa
Clear night
Feels like 17°C
Wind direction southGusts 23 km/h
Humidity 77%Cloud cover 0%Pressure 1015 hPa
Clear night
Feels like 15°C
Wind direction southGusts 18 km/h
Humidity 88%Cloud cover 0%Pressure 1015 hPa
Saturday
Clear night
Feels like 14°C
Wind direction southGusts 11 km/h
Humidity 82%Cloud cover 0%Pressure 1014 hPa
Clear night
Feels like 15°C
Wind direction southGusts 11 km/h
Humidity 91%Cloud cover 1%Pressure 1014 hPa
Sunny
Feels like 17°C
Wind direction southGusts 12 km/h
Humidity 91%Cloud cover 0%Pressure 1014 hPa
Sunny
Feels like 23°C
Wind direction southGusts 27 km/h
Humidity 71%Cloud cover 0%Pressure 1013 hPa
Mostly sunny
Feels like 25°C
Wind direction southwestGusts 40 km/h
Humidity 61%Cloud cover 15%Pressure 1012 hPa
Mostly clear night
Feels like 23°C
Wind direction southwestGusts —
Humidity 58%Cloud cover 29%Pressure 1013 hPa
Sunday
Overcast night
Feels like 20°C
Wind direction southwestGusts —
Humidity 81%Cloud cover 99%Pressure 1013 hPa
Mostly sunny
Feels like 19°C
Wind direction southwestGusts —
Humidity 91%Cloud cover 24%Pressure 1014 hPa
Mostly cloudy
Feels like 20°C
Wind direction northGusts —
Humidity 92%Cloud cover 77%Pressure 1018 hPa
Partly cloudy night
Feels like 25°C
Wind direction westGusts —
Humidity 58%Cloud cover 74%Pressure 1018 hPa
Monday
Overcast night
Feels like 22°C
Wind direction westGusts —
Humidity 73%Cloud cover 100%Pressure 1018 hPa
Overcast
Feels like 19°C
Wind direction northeastGusts —
Humidity 88%Cloud cover 100%Pressure 1020 hPa
Overcast
Feels like 17°C
Wind direction northeastGusts —
Humidity 90%Cloud cover 97%Pressure 1022 hPa
Overcast night
Feels like 21°C
Wind direction eastGusts —
Humidity 71%Cloud cover 98%Pressure 1021 hPa
Tuesday
Mostly clear night
Feels like 17°C
Wind direction eastGusts —
Humidity 79%Cloud cover 32%Pressure 1020 hPa
Mostly sunny
Feels like 17°C
Wind direction northeastGusts —
Humidity 91%Cloud cover 12%Pressure 1018 hPa
Mostly sunny
Feels like 22°C
Wind direction southwestGusts —
Humidity 89%Cloud cover 14%Pressure 1015 hPa
Clear night
Feels like 28°C
Wind direction southwestGusts —
Humidity 60%Cloud cover 1%Pressure 1013 hPa
Wednesday
Overcast night
Feels like 22°C
Wind direction westGusts —
Humidity 91%Cloud cover 98%Pressure 1016 hPa
Mostly sunny
Feels like 13°C
Wind direction northwestGusts —
Humidity 89%Cloud cover 23%Pressure 1022 hPa
Sunny
Feels like 10°C
Wind direction northGusts —
Humidity 87%Cloud cover 0%Pressure 1027 hPa
Mostly clear night
Feels like 19°C
Wind direction northeastGusts —
Humidity 59%Cloud cover 11%Pressure 1028 hPa
Thursday
Clear night
Feels like 16°C
Wind direction northeastGusts —
Humidity 86%Cloud cover 4%Pressure 1028 hPa
Partly cloudy
Feels like 11°C
Wind direction northGusts —
Humidity 83%Cloud cover 50%Pressure 1029 hPa
Partly cloudy
Feels like 11°C
Wind direction northGusts —
Humidity 86%Cloud cover 48%Pressure 1029 hPa
Mostly cloudy night
Feels like 19°C
Wind direction northeastGusts —
Humidity 58%Cloud cover 88%Pressure 1028 hPa
Friday
Clear night
Feels like 16°C
Wind direction northeastGusts —
Humidity 83%Cloud cover 5%Pressure 1025 hPa
Mostly cloudy
Feels like 12°C
Wind direction northwestGusts —
Humidity 85%Cloud cover 93%Pressure 1023 hPa
Mostly cloudy
Feels like 11°C
Wind direction northwestGusts —
Humidity 89%Cloud cover 92%Pressure 1020 hPa
Light rain
Feels like 6°C
Wind direction northGusts —
Humidity 95%Cloud cover 100%Pressure 1020 hPa
Saturday
Mostly clear night
Feels like 5°C
Wind direction northGusts —
Humidity 68%Cloud cover 17%Pressure 1024 hPa
Sunny
Feels like 2°C
Wind direction northGusts —
Humidity 70%Cloud cover 1%Pressure 1025 hPa
Sunny
Feels like 2°C
Wind direction northGusts —
Humidity 77%Cloud cover 0%Pressure 1027 hPa
Partly cloudy night
Feels like 8°C
Wind direction northeastGusts —
Humidity 45%Cloud cover 52%Pressure 1027 hPa
Sunday
Partly cloudy night
Feels like 8°C
Wind direction northeastGusts —
Humidity 60%Cloud cover 42%Pressure 1027 hPa
Sunny
Feels like 3°C
Wind direction northGusts —
Humidity 72%Cloud cover 0%Pressure 1028 hPa
Mostly cloudy
Feels like 4°C
Wind direction northGusts —
Humidity 76%Cloud cover 80%Pressure 1030 hPa
Mostly clear night
Feels like 12°C
Wind direction eastGusts —
Humidity 48%Cloud cover 30%Pressure 1029 hPa
Monday
Clear night
Feels like 9°C
Wind direction southeastGusts —
Humidity 76%Cloud cover 0%Pressure 1028 hPa
Sunny
Feels like 5°C
Wind direction westGusts —
Humidity 84%Cloud cover 0%Pressure 1029 hPa
Partly cloudy
Feels like 4°C
Wind direction northGusts —
Humidity 95%Cloud cover 56%Pressure 1030 hPa
In Hamilton and, more broadly, across the province of Ontario: This evening, skies are expected to feature a mix of sunny periods and a few clouds across the region, with generally dry conditions. Temperatures will be mild, ranging from around 18 to 22 degrees Celsius in many areas. Winds will be mainly from the south at speeds up to 13 km/h, with gusts reaching approximately 30 km/h at times. Conditions are unlikely to bring any significant weather hazards, but the gusty winds could cause minor issues in some locations. The weather should remain relatively calm through the night, with no notable precipitation expected.
15-Day Weather Outlook for Hamilton
TomorrowTomorrow
Mostly sunny
24°/14°
💧 None
💨 8 km/h
Mostly sunny
24°/14°
💧 None
💨 8 km/h
Daytime temperature 15°C
Feels like 16°C
Humidity 80%
Pressure 1024 hPa
Cloud cover 52%
Wind direction northeast
Gusts 22 km/h
Sunrise —
Sunset —
Wednesday, Sep 9Wed Sep 9
Light rain
26°/18°
💧 0.8 mm
💨 21 km/h
Light rain
26°/18°
💧 0.8 mm
💨 21 km/h
Daytime temperature 22°C
Feels like 22°C
Humidity 83%
Pressure 1019 hPa
Cloud cover 99%
Wind direction southwest
Gusts 46 km/h
Sunrise —
Sunset —
Thursday, Sep 10Thu Sep 10
Overcast
23°/18°
💧 1.9 mm
💨 20 km/h
Overcast
23°/18°
💧 1.9 mm
💨 20 km/h
Daytime temperature 19°C
Feels like 20°C
Humidity 80%
Pressure 1011 hPa
Cloud cover 63%
Wind direction west
Gusts 45 km/h
Sunrise —
Sunset —
Friday, Sep 11Fri Sep 11
Partly cloudy
22°/11°
💧 0.0 mm
💨 11 km/h
Partly cloudy
22°/11°
💧 0.0 mm
💨 11 km/h
Daytime temperature 12°C
Feels like 11°C
Humidity 77%
Pressure 1014 hPa
Cloud cover 7%
Wind direction west
Gusts 39 km/h
Sunrise —
Sunset —
Saturday, Sep 12Sat Sep 12
Mostly sunny
26°/15°
💧 None
💨 19 km/h
Mostly sunny
26°/15°
💧 None
💨 19 km/h
Daytime temperature 17°C
Feels like 17°C
Humidity 80%
Pressure 1014 hPa
Cloud cover 2%
Wind direction south
Gusts 40 km/h
Sunrise —
Sunset —
Sunday, Sep 13Sun Sep 13
Mostly sunny
24°/19°
💧 4.6 mm
💨 16 km/h
Mostly sunny
24°/19°
💧 4.6 mm
💨 16 km/h
Daytime temperature 19°C
Feels like 19°C
Humidity 80%
Pressure 1014 hPa
Cloud cover 57%
Wind direction southwest
Gusts —
Sunrise —
Sunset —
Monday, Sep 14Mon Sep 14
Partly cloudy
24°/17°
💧 0.6 mm
💨 10 km/h
Partly cloudy
24°/17°
💧 0.6 mm
💨 10 km/h
Daytime temperature 18°C
Feels like 19°C
Humidity 77%
Pressure 1020 hPa
Cloud cover 93%
Wind direction northeast
Gusts —
Sunrise —
Sunset —
Tuesday, Sep 15Tue Sep 15
Overcast
22°/17°
💧 None
💨 16 km/h
Overcast
22°/17°
💧 None
💨 16 km/h
Daytime temperature 17°C
Feels like 17°C
Humidity 82%
Pressure 1018 hPa
Cloud cover 39%
Wind direction northeast
Gusts —
Sunrise —
Sunset —
Wednesday, Sep 16Wed Sep 16
Overcast
29°/12°
💧 3.4 mm
💨 26 km/h
Overcast
29°/12°
💧 3.4 mm
💨 26 km/h
Daytime temperature 14°C
Feels like 13°C
Humidity 82%
Pressure 1020 hPa
Cloud cover 30%
Wind direction northwest
Gusts —
Sunrise —
Sunset —
Thursday, Sep 17Thu Sep 17
Mostly sunny
20°/12°
💧 None
💨 11 km/h
Mostly sunny
20°/12°
💧 None
💨 11 km/h
Daytime temperature 12°C
Feels like 11°C
Humidity 78%
Pressure 1028 hPa
Cloud cover 28%
Wind direction north
Gusts —
Sunrise —
Sunset —
Friday, Sep 18Fri Sep 18
Mostly cloudy
20°/13°
💧 0.0 mm
💨 10 km/h
Mostly cloudy
20°/13°
💧 0.0 mm
💨 10 km/h
Daytime temperature 13°C
Feels like 12°C
Humidity 79%
Pressure 1024 hPa
Cloud cover 70%
Wind direction northwest
Gusts —
Sunrise —
Sunset —
Saturday, Sep 19Sat Sep 19
Light rain
11°/7°
💧 7.1 mm
💨 24 km/h
Light rain
11°/7°
💧 7.1 mm
💨 24 km/h
Daytime temperature 8°C
Feels like 2°C
Humidity 78%
Pressure 1024 hPa
Cloud cover 30%
Wind direction north
Gusts —
Sunrise —
Sunset —
Sunday, Sep 20Sun Sep 20
Partly cloudy
13°/7°
💧 None
💨 18 km/h
Partly cloudy
13°/7°
💧 None
💨 18 km/h
Daytime temperature 7°C
Feels like 3°C
Humidity 63%
Pressure 1028 hPa
Cloud cover 44%
Wind direction north
Gusts —
Sunrise —
Sunset —
Monday, Sep 21Mon Sep 21
Mostly sunny
15°/6°
💧 None
💨 8 km/h
Mostly sunny
15°/6°
💧 None
💨 8 km/h
Daytime temperature 7°C
Feels like 5°C
Humidity 76%
Pressure 1029 hPa
Cloud cover 22%
Wind direction west
Gusts —
Sunrise —
Sunset —
TEMPERATURE OUTLOOK
Temperature & Weather Trends in Hamilton
AIR QUALITY FORECAST
Air Quality Forecast for Hamilton
Good
Nearest forecast value
2:00 AM
PM2.5 Fine particles Good 1,5µg/m³
Microscopic particles that can penetrate deep into the lungs. Elevated concentrations can especially affect children, older adults and people with respiratory conditions.
PM10 Particulate matter Good 1,7µg/m³
Includes dust, pollen and other airborne particles. High concentrations may irritate the respiratory system.
O₃ Ozone Good 58,6µg/m³
Ground-level ozone can irritate the eyes and respiratory system when concentrations are elevated.
NO₂ Nitrogen dioxide Good 3,9µg/m³
A gas emitted mainly by traffic and some industrial activity. High exposure can affect respiratory health.
Air quality is favorable for outdoor activities.
Fair
Selected time
12:00 AM
PM2.5 Fine particles Good 2,2µg/m³
Microscopic particles that can penetrate deep into the lungs. Elevated concentrations can especially affect children, older adults and people with respiratory conditions.
PM10 Particulate matter Good 2,6µg/m³
Includes dust, pollen and other airborne particles. High concentrations may irritate the respiratory system.
O₃ Ozone Fair 79,8µg/m³
Ground-level ozone can irritate the eyes and respiratory system when concentrations are elevated.
NO₂ Nitrogen dioxide Good 4,9µg/m³
A gas emitted mainly by traffic and some industrial activity. High exposure can affect respiratory health.
Air quality is acceptable for most people.
Fair
Selected time
12:00 AM
PM2.5 Fine particles Good 9,7µg/m³
Microscopic particles that can penetrate deep into the lungs. Elevated concentrations can especially affect children, older adults and people with respiratory conditions.
PM10 Particulate matter Good 10,5µg/m³
Includes dust, pollen and other airborne particles. High concentrations may irritate the respiratory system.
O₃ Ozone Fair 78,3µg/m³
Ground-level ozone can irritate the eyes and respiratory system when concentrations are elevated.
NO₂ Nitrogen dioxide Good 6,3µg/m³
A gas emitted mainly by traffic and some industrial activity. High exposure can affect respiratory health.
Air quality is acceptable for most people.
Fair
Selected time
12:00 AM
PM2.5 Fine particles Good 9,3µg/m³
Microscopic particles that can penetrate deep into the lungs. Elevated concentrations can especially affect children, older adults and people with respiratory conditions.
PM10 Particulate matter Good 9,7µg/m³
Includes dust, pollen and other airborne particles. High concentrations may irritate the respiratory system.
O₃ Ozone Fair 81,1µg/m³
Ground-level ozone can irritate the eyes and respiratory system when concentrations are elevated.
NO₂ Nitrogen dioxide Good 6,1µg/m³
A gas emitted mainly by traffic and some industrial activity. High exposure can affect respiratory health.
Air quality is acceptable for most people.
Fair
Selected time
12:00 AM
PM2.5 Fine particles Good 1,3µg/m³
Microscopic particles that can penetrate deep into the lungs. Elevated concentrations can especially affect children, older adults and people with respiratory conditions.
PM10 Particulate matter Good 1,8µg/m³
Includes dust, pollen and other airborne particles. High concentrations may irritate the respiratory system.
O₃ Ozone Fair 75,1µg/m³
Ground-level ozone can irritate the eyes and respiratory system when concentrations are elevated.
NO₂ Nitrogen dioxide Good 3,2µg/m³
A gas emitted mainly by traffic and some industrial activity. High exposure can affect respiratory health.
Air quality is acceptable for most people.
UV & HEALTH
UV, Sun & Health Outlook in Hamilton
Maximum daily UV
Today, tomorrow and the following day show the maximum UV index forecast for each day.
0–2 Low
3–5 Moderate
6–7 High
8–10 Very high
11+ Extreme
Today
UV 6,3High
😊Good
Tomorrow
UV 4,8Moderate
😐Moderate
Wednesday
UV 1,1Low
🙂Fair
Thursday
UV 4,9Moderate
🙂Fair
Friday
UV 6,0High
🙂Fair
Saturday
UV 6,0High
—Unavailable
Sunday
UV 6,0High
—Unavailable
Hourly UV index today
7:00 AMUV 0,0
8:00 AMUV 0,3
9:00 AMUV 1,1
10:00 AMUV 2,4
11:00 AMUV 3,9
12:00 PMUV 5,5
1:00 PMUV 6,3
2:00 PMUV 6,1
3:00 PMUV 5,0
4:00 PMUV 3,4
5:00 PMUV 1,8
6:00 PMUV 0,7
Today's weather health advice
Open today's recommendations.
Strong UV exposure
Protect exposed skin with SPF 30+ sunscreen, wear sunglasses, and try to limit direct midday sun.
Good air quality
Air quality is good and outdoor activities can be enjoyed normally.
Comfortable temperature conditions
Temperatures should feel comfortable for most people, with no particular heat or cold precautions needed.
Good conditions for outdoor activities
Outdoor activities can generally be enjoyed normally, with sun protection adjusted to the UV level.
WIND OUTLOOK
Hourly Wind Forecast for Hamilton
Sustained wind
Max gusts
NIGHT SKY · HAMILTON, ONTARIO
Tonight's Stargazing & Shooting Stars
Excellent observing conditions. Best local viewing window: 2:00 AM–3:00 AM.
98/100Best-hour score
BEST TIME TONIGHT
2:00 AM–3:00 AM
Astronomical darkness: 9:26 PM–5:11 AM
Cloud cover
1%
Real hourly forecast for the best viewing hour.
Moonlight
22%
Waning Crescent · Moon below the horizon at the best viewing hour.
Meteor activity
September ε-Perseids
Reference ZHR 8 · Radiant 52° high at the best hour.
Estimated visible meteors
1–4/hour
Local estimate after weather, moonlight and radiant-height adjustments.
Chance ≥1 meteor in 30 min73%
UPCOMING METEOR PERIODSStart, peak and end dates · weather should be checked closer to the peak.
SEP 5–SEP 21
September ε-PerseidsStart SEP 5 · Peak SEP 9 · End SEP 21 · ZHR 8 · 6% Moon at peak
ACTIVE NOW
SEP 20–NOV 20
Southern TauridsStart SEP 20 · Peak NOV 5 · End NOV 20 · ZHR 7 · 20% Moon at peak
UPCOMING
OCT 2–NOV 7
OrionidsStart OCT 2 · Peak OCT 21 · End NOV 7 · ZHR 20 · 77% Moon at peak
UPCOMING
OCT 20–DEC 10
Northern TauridsStart OCT 20 · Peak NOV 12 · End DEC 10 · ZHR 5 · 7% Moon at peak
UPCOMING
Experimental local observing estimate. Weather values come from the hourly forecast already used on this page. Moon position and astronomical darkness are calculated locally from time and coordinates. Meteor-shower ZHR describes ideal conditions and is not the number of meteors a person should expect to see locally.
DISCOVER WEATHER NEARBY Weather in other cities
Explore current conditions and forecasts for other locations.
Forecast data for Hamilton were last refreshed today at 1:58 AM. The current forecast period extends through 08/09/2026 at 11:00 PM. Weather, air-quality and UV-index data are provided through WEATHER-INFO.COM. Forecasts are produced automatically from the latest available data and are subject to periodic technical checks. This service is intended for general weather information.