Sunny
Feels like 15°C
Wind direction north
Gusts 17 km/h
Humidity 87%
Cloud cover 0%
Pressure 1019 hPa
Now · 8:06 AM
Hamilton Weather & Hourly Forecast
Canada · Ontario
15°C
Sunny
Feels like: 15°C
💧 Humidity 87%
🌡 Pressure 1019 hPa
💨 Wind 11 km/h
👁 Visibility 10.0 km
☁ Clouds 0%
☀️ UV index 0.4 · Low
🌅 Sunrise 6:39 AM
🌇 Sunset 8:02 PM
Hourly Forecast for Hamilton
Today
Sunny
Sunny
Feels like 19°C
Wind direction northeast
Gusts 13 km/h
Humidity 58%
Cloud cover 2%
Pressure 1021 hPa
Partly cloudy
Feels like 23°C
Wind direction north
Gusts 16 km/h
Humidity 32%
Cloud cover 49%
Pressure 1019 hPa
Partly cloudy
Feels like 22°C
Wind direction northeast
Gusts 12 km/h
Humidity 34%
Cloud cover 27%
Pressure 1019 hPa
Partly cloudy night
Feels like 16°C
Wind direction south
Gusts 14 km/h
Humidity 66%
Cloud cover 35%
Pressure 1021 hPa
Tomorrow
Clear night
Feels like 15°C
Wind direction southwest
Gusts 10 km/h
Humidity 83%
Cloud cover 9%
Pressure 1022 hPa
Clear night
Feels like 14°C
Wind direction southwest
Gusts 14 km/h
Humidity 84%
Cloud cover 4%
Pressure 1021 hPa
Mostly clear night
Feels like 14°C
Wind direction southwest
Gusts 23 km/h
Humidity 82%
Cloud cover 11%
Pressure 1022 hPa
Sunny
Feels like 20°C
Wind direction southwest
Gusts 22 km/h
Humidity 58%
Cloud cover 2%
Pressure 1022 hPa
Partly cloudy
Feels like 25°C
Wind direction southwest
Gusts 24 km/h
Humidity 36%
Cloud cover 29%
Pressure 1021 hPa
Mostly cloudy
Feels like 27°C
Wind direction southwest
Gusts 27 km/h
Humidity 33%
Cloud cover 58%
Pressure 1019 hPa
Overcast
Feels like 26°C
Wind direction southwest
Gusts 29 km/h
Humidity 35%
Cloud cover 89%
Pressure 1018 hPa
Mostly cloudy night
Feels like 19°C
Wind direction southwest
Gusts 32 km/h
Humidity 51%
Cloud cover 84%
Pressure 1020 hPa
Sunday
Mostly cloudy night
Feels like 17°C
Wind direction southwest
Gusts 34 km/h
Humidity 55%
Cloud cover 71%
Pressure 1019 hPa
Overcast night
Feels like 17°C
Wind direction west
Gusts 28 km/h
Humidity 62%
Cloud cover 100%
Pressure 1019 hPa
Overcast night
Feels like 17°C
Wind direction southwest
Gusts 25 km/h
Humidity 76%
Cloud cover 90%
Pressure 1019 hPa
Today
Sunny
Feels like 15°C
Wind direction northGusts 17 km/h
Humidity 87%Cloud cover 0%Pressure 1019 hPa
Sunny
Feels like 16°C
Wind direction northeastGusts 14 km/h
Humidity 80%Cloud cover 0%Pressure 1019 hPa
Sunny
Feels like 17°C
Wind direction northeastGusts 12 km/h
Humidity 69%Cloud cover 1%Pressure 1020 hPa
Sunny
Feels like 19°C
Wind direction northeastGusts 13 km/h
Humidity 58%Cloud cover 2%Pressure 1021 hPa
Sunny
Feels like 21°C
Wind direction northeastGusts 14 km/h
Humidity 46%Cloud cover 4%Pressure 1020 hPa
Sunny
Feels like 23°C
Wind direction northeastGusts 16 km/h
Humidity 34%Cloud cover 3%Pressure 1020 hPa
Partly cloudy
Feels like 23°C
Wind direction northGusts 16 km/h
Humidity 32%Cloud cover 49%Pressure 1019 hPa
Partly cloudy
Feels like 23°C
Wind direction northGusts 16 km/h
Humidity 31%Cloud cover 42%Pressure 1019 hPa
Partly cloudy
Feels like 23°C
Wind direction northGusts 15 km/h
Humidity 32%Cloud cover 32%Pressure 1019 hPa
Partly cloudy
Feels like 22°C
Wind direction northeastGusts 12 km/h
Humidity 34%Cloud cover 27%Pressure 1019 hPa
Partly cloudy
Feels like 21°C
Wind direction eastGusts 8 km/h
Humidity 43%Cloud cover 31%Pressure 1020 hPa
Partly cloudy
Feels like 17°C
Wind direction southGusts 15 km/h
Humidity 52%Cloud cover 42%Pressure 1020 hPa
Partly cloudy night
Feels like 16°C
Wind direction southGusts 14 km/h
Humidity 66%Cloud cover 35%Pressure 1021 hPa
Mostly clear night
Feels like 15°C
Wind direction southwestGusts 12 km/h
Humidity 72%Cloud cover 18%Pressure 1022 hPa
Mostly clear night
Feels like 15°C
Wind direction southwestGusts 13 km/h
Humidity 79%Cloud cover 12%Pressure 1022 hPa
Tomorrow
Clear night
Feels like 15°C
Wind direction southwestGusts 10 km/h
Humidity 83%Cloud cover 9%Pressure 1022 hPa
Clear night
Feels like 14°C
Wind direction southwestGusts 8 km/h
Humidity 84%Cloud cover 7%Pressure 1022 hPa
Clear night
Feels like 14°C
Wind direction southwestGusts 9 km/h
Humidity 84%Cloud cover 6%Pressure 1021 hPa
Clear night
Feels like 14°C
Wind direction southwestGusts 14 km/h
Humidity 84%Cloud cover 4%Pressure 1021 hPa
Clear night
Feels like 13°C
Wind direction southwestGusts 18 km/h
Humidity 83%Cloud cover 2%Pressure 1021 hPa
Clear night
Feels like 13°C
Wind direction westGusts 21 km/h
Humidity 84%Cloud cover 1%Pressure 1021 hPa
Mostly clear night
Feels like 14°C
Wind direction southwestGusts 23 km/h
Humidity 82%Cloud cover 11%Pressure 1022 hPa
Partly cloudy
Feels like 15°C
Wind direction southwestGusts 25 km/h
Humidity 76%Cloud cover 29%Pressure 1022 hPa
Partly cloudy
Feels like 17°C
Wind direction southwestGusts 22 km/h
Humidity 71%Cloud cover 36%Pressure 1022 hPa
Sunny
Feels like 20°C
Wind direction southwestGusts 22 km/h
Humidity 58%Cloud cover 2%Pressure 1022 hPa
Sunny
Feels like 22°C
Wind direction southwestGusts 23 km/h
Humidity 46%Cloud cover 7%Pressure 1022 hPa
Sunny
Feels like 24°C
Wind direction southwestGusts 24 km/h
Humidity 38%Cloud cover 4%Pressure 1022 hPa
Partly cloudy
Feels like 25°C
Wind direction southwestGusts 24 km/h
Humidity 36%Cloud cover 29%Pressure 1021 hPa
Partly cloudy
Feels like 27°C
Wind direction southwestGusts 24 km/h
Humidity 34%Cloud cover 42%Pressure 1021 hPa
Partly cloudy
Feels like 27°C
Wind direction southwestGusts 25 km/h
Humidity 33%Cloud cover 45%Pressure 1020 hPa
Mostly cloudy
Feels like 27°C
Wind direction southwestGusts 27 km/h
Humidity 33%Cloud cover 58%Pressure 1019 hPa
Mostly cloudy
Feels like 27°C
Wind direction southwestGusts 28 km/h
Humidity 33%Cloud cover 78%Pressure 1018 hPa
Overcast
Feels like 27°C
Wind direction southwestGusts 27 km/h
Humidity 35%Cloud cover 85%Pressure 1018 hPa
Overcast
Feels like 26°C
Wind direction southwestGusts 29 km/h
Humidity 35%Cloud cover 89%Pressure 1018 hPa
Overcast
Feels like 25°C
Wind direction southwestGusts 31 km/h
Humidity 37%Cloud cover 91%Pressure 1019 hPa
Overcast
Feels like 22°C
Wind direction southwestGusts 32 km/h
Humidity 43%Cloud cover 90%Pressure 1019 hPa
Mostly cloudy night
Feels like 19°C
Wind direction southwestGusts 32 km/h
Humidity 51%Cloud cover 84%Pressure 1020 hPa
Overcast night
Feels like 18°C
Wind direction southwestGusts 32 km/h
Humidity 54%Cloud cover 90%Pressure 1020 hPa
Overcast night
Feels like 18°C
Wind direction southwestGusts 34 km/h
Humidity 54%Cloud cover 92%Pressure 1019 hPa
Sunday
Mostly cloudy night
Feels like 17°C
Wind direction southwestGusts 34 km/h
Humidity 55%Cloud cover 71%Pressure 1019 hPa
Mostly cloudy night
Feels like 17°C
Wind direction westGusts 29 km/h
Humidity 58%Cloud cover 59%Pressure 1019 hPa
Mostly cloudy night
Feels like 17°C
Wind direction westGusts 28 km/h
Humidity 58%Cloud cover 66%Pressure 1019 hPa
Overcast night
Feels like 17°C
Wind direction westGusts 28 km/h
Humidity 62%Cloud cover 100%Pressure 1019 hPa
Overcast night
Feels like 16°C
Wind direction westGusts 24 km/h
Humidity 71%Cloud cover 99%Pressure 1019 hPa
Overcast night
Feels like 16°C
Wind direction southwestGusts 24 km/h
Humidity 77%Cloud cover 87%Pressure 1019 hPa
Overcast night
Feels like 17°C
Wind direction southwestGusts 25 km/h
Humidity 76%Cloud cover 90%Pressure 1019 hPa
Overcast
Feels like 18°C
Wind direction westGusts 25 km/h
Humidity 73%Cloud cover 92%Pressure 1019 hPa
Overcast
Feels like 19°C
Wind direction westGusts 28 km/h
Humidity 69%Cloud cover 93%Pressure 1019 hPa
Overcast
Feels like 19°C
Wind direction westGusts 25 km/h
Humidity 65%Cloud cover 100%Pressure 1019 hPa
Overcast
Feels like 20°C
Wind direction southwestGusts 23 km/h
Humidity 63%Cloud cover 100%Pressure 1019 hPa
Overcast
Feels like 21°C
Wind direction westGusts 24 km/h
Humidity 62%Cloud cover 100%Pressure 1020 hPa
Overcast
Feels like 24°C
Wind direction westGusts 19 km/h
Humidity 48%Cloud cover 100%Pressure 1019 hPa
Overcast
Feels like 23°C
Wind direction westGusts 16 km/h
Humidity 52%Cloud cover 100%Pressure 1019 hPa
Overcast
Feels like 24°C
Wind direction westGusts 16 km/h
Humidity 51%Cloud cover 100%Pressure 1019 hPa
Overcast
Feels like 25°C
Wind direction southwestGusts 19 km/h
Humidity 46%Cloud cover 100%Pressure 1018 hPa
Overcast
Feels like 24°C
Wind direction southwestGusts 23 km/h
Humidity 49%Cloud cover 100%Pressure 1018 hPa
Overcast
Feels like 23°C
Wind direction southwestGusts 27 km/h
Humidity 61%Cloud cover 100%Pressure 1018 hPa
Light rain
Feels like 20°C
Wind direction westGusts 23 km/h
Humidity 78%Cloud cover 100%Pressure 1018 hPa
Moderate rain
Feels like 18°C
Wind direction northGusts 18 km/h
Humidity 91%Cloud cover 100%Pressure 1018 hPa
Light rain
Feels like 18°C
Wind direction northeastGusts 15 km/h
Humidity 94%Cloud cover 100%Pressure 1018 hPa
Light rain
Feels like 18°C
Wind direction eastGusts 9 km/h
Humidity 95%Cloud cover 100%Pressure 1018 hPa
Light rain
Feels like 18°C
Wind direction southeastGusts 10 km/h
Humidity 96%Cloud cover 100%Pressure 1018 hPa
Light rain
Feels like 18°C
Wind direction southeastGusts 19 km/h
Humidity 97%Cloud cover 100%Pressure 1018 hPa
Monday
Light rain
Feels like 18°C
Wind direction eastGusts 21 km/h
Humidity 97%Cloud cover 100%Pressure 1018 hPa
Light rain
Feels like 18°C
Wind direction eastGusts 21 km/h
Humidity 97%Cloud cover 100%Pressure 1018 hPa
Light rain
Feels like 18°C
Wind direction northeastGusts 15 km/h
Humidity 98%Cloud cover 100%Pressure 1018 hPa
Light rain
Feels like 18°C
Wind direction eastGusts 18 km/h
Humidity 98%Cloud cover 100%Pressure 1017 hPa
Overcast night
Feels like 18°C
Wind direction eastGusts 17 km/h
Humidity 98%Cloud cover 85%Pressure 1017 hPa
Light rain
Feels like 18°C
Wind direction eastGusts 16 km/h
Humidity 98%Cloud cover 90%Pressure 1017 hPa
Overcast night
Feels like 18°C
Wind direction eastGusts 15 km/h
Humidity 98%Cloud cover 92%Pressure 1017 hPa
Overcast
Feels like 18°C
Wind direction southeastGusts 11 km/h
Humidity 97%Cloud cover 94%Pressure 1017 hPa
Light rain
Feels like 18°C
Wind direction southeastGusts 9 km/h
Humidity 95%Cloud cover 95%Pressure 1018 hPa
Overcast
Feels like 19°C
Wind direction southeastGusts 10 km/h
Humidity 94%Cloud cover 100%Pressure 1017 hPa
Overcast
Feels like 20°C
Wind direction southeastGusts 10 km/h
Humidity 91%Cloud cover 100%Pressure 1017 hPa
Overcast
Feels like 21°C
Wind direction southeastGusts 9 km/h
Humidity 90%Cloud cover 100%Pressure 1017 hPa
Overcast
Feels like 25°C
Wind direction southGusts 17 km/h
Humidity 78%Cloud cover 97%Pressure 1017 hPa
Overcast
Feels like 25°C
Wind direction southwestGusts 17 km/h
Humidity 76%Cloud cover 98%Pressure 1016 hPa
Overcast
Feels like 26°C
Wind direction southwestGusts 16 km/h
Humidity 71%Cloud cover 98%Pressure 1016 hPa
Overcast
Feels like 28°C
Wind direction westGusts 26 km/h
Humidity 60%Cloud cover 100%Pressure 1016 hPa
Overcast
Feels like 28°C
Wind direction southwestGusts 32 km/h
Humidity 59%Cloud cover 100%Pressure 1015 hPa
Light rain
Feels like 25°C
Wind direction southwestGusts 26 km/h
Humidity 75%Cloud cover 100%Pressure 1015 hPa
Light rain
Feels like 22°C
Wind direction southGusts 20 km/h
Humidity 92%Cloud cover 100%Pressure 1015 hPa
Overcast
Feels like 22°C
Wind direction southwestGusts 30 km/h
Humidity 92%Cloud cover 100%Pressure 1016 hPa
Light rain
Feels like 21°C
Wind direction southGusts 13 km/h
Humidity 96%Cloud cover 100%Pressure 1016 hPa
Overcast night
Feels like 21°C
Wind direction southGusts 5 km/h
Humidity 96%Cloud cover 100%Pressure 1016 hPa
Overcast night
Feels like 21°C
Wind direction southeastGusts 9 km/h
Humidity 96%Cloud cover 100%Pressure 1016 hPa
Light rain
Feels like 21°C
Wind direction southeastGusts 10 km/h
Humidity 96%Cloud cover 100%Pressure 1015 hPa
Tuesday
Light rain
Feels like 21°C
Wind direction southeastGusts 26 km/h
Humidity 96%Cloud cover 100%Pressure 1014 hPa
Moderate rain
Feels like 21°C
Wind direction southGusts 30 km/h
Humidity 98%Cloud cover 100%Pressure 1014 hPa
Moderate rain
Feels like 22°C
Wind direction southwestGusts 40 km/h
Humidity 98%Cloud cover 100%Pressure 1013 hPa
Heavy rain
Feels like 22°C
Wind direction southGusts 23 km/h
Humidity 99%Cloud cover 100%Pressure 1013 hPa
Light rain
Feels like 22°C
Wind direction southGusts 32 km/h
Humidity 98%Cloud cover 100%Pressure 1012 hPa
Moderate rain
Feels like 22°C
Wind direction southwestGusts 22 km/h
Humidity 98%Cloud cover 100%Pressure 1012 hPa
Light rain
Feels like 22°C
Wind direction southwestGusts 43 km/h
Humidity 97%Cloud cover 100%Pressure 1012 hPa
Light rain
Feels like 23°C
Wind direction southwestGusts 47 km/h
Humidity 96%Cloud cover 100%Pressure 1012 hPa
Moderate rain
Feels like 23°C
Wind direction southwestGusts 51 km/h
Humidity 95%Cloud cover 100%Pressure 1012 hPa
In Hamilton and, more broadly, across the province of Ontario: This morning, across the region, skies are expected to feature periods of sunshine with a few clouds, and generally dry conditions are forecast. Temperatures will range from around 14 degrees Celsius in the early hours to highs of approximately 23 degrees Celsius in many areas during the afternoon. Winds will predominantly come from the northwest at speeds up to 15 km/h, with gusts reaching around 27 km/h. In parts of the region, the weather will remain mild and stable, with no significant precipitation anticipated today. Mariners and outdoor enthusiasts should remain cautious of the gusty northwest winds, especially in exposed areas. Overall, it looks to be a pleasant day with warm daytime temperatures and relatively light winds, making for generally comfortable conditions across the region.
15-Day Weather Outlook for Hamilton
TomorrowTomorrow
Partly cloudy
28°/14°
💧 None
💨 25 km/h
Partly cloudy
28°/14°
💧 None
💨 25 km/h
Daytime temperature 27°C
Feels like 27°C
Humidity 34%
Pressure 1021 hPa
Cloud cover 42%
Wind direction southwest
Gusts 34 km/h
Sunrise 6:40 AM
Sunset 8:01 PM
Sunday, Aug 30Sun Aug 30
Moderate rain
25°/16°
💧 3.0 mm
💨 16 km/h
Moderate rain
25°/16°
💧 3.0 mm
💨 16 km/h
Daytime temperature 23°C
Feels like 23°C
Humidity 52%
Pressure 1019 hPa
Cloud cover 100%
Wind direction southwest
Gusts 34 km/h
Sunrise 6:41 AM
Sunset 7:59 PM
Monday, Aug 31Mon Aug 31
Light rain
25°/17°
💧 5.1 mm
💨 15 km/h
Light rain
25°/17°
💧 5.1 mm
💨 15 km/h
Daytime temperature 25°C
Feels like 26°C
Humidity 71%
Pressure 1016 hPa
Cloud cover 98%
Wind direction southwest
Gusts 26 km/h
Sunrise 6:43 AM
Sunset 7:57 PM
Tuesday, Sep 1Tue Sep 1
Moderate rain
34°/21°
💧 14 mm
💨 23 km/h
Moderate rain
34°/21°
💧 14 mm
💨 23 km/h
Daytime temperature 32°C
Feels like 35°C
Humidity 50%
Pressure 1010 hPa
Cloud cover 70%
Wind direction west
Gusts 51 km/h
Sunrise 6:44 AM
Sunset 7:56 PM
Wednesday, Sep 2Wed Sep 2
Moderate rain
34°/21°
💧 11 mm
💨 16 km/h
Moderate rain
34°/21°
💧 11 mm
💨 16 km/h
Daytime temperature 34°C
Feels like 38°C
Humidity 45%
Pressure 1010 hPa
Cloud cover 59%
Wind direction west
Gusts 28 km/h
Sunrise 6:45 AM
Sunset 7:54 PM
Thursday, Sep 3Thu Sep 3
Light rain
28°/19°
💧 1.6 mm
💨 16 km/h
Light rain
28°/19°
💧 1.6 mm
💨 16 km/h
Daytime temperature 28°C
Feels like 27°C
Humidity 40%
Pressure 1012 hPa
Cloud cover 5%
Wind direction north
Gusts 25 km/h
Sunrise 6:46 AM
Sunset 7:52 PM
Friday, Sep 4Fri Sep 4
Overcast
27°/16°
💧 None
💨 11 km/h
Overcast
27°/16°
💧 None
💨 11 km/h
Daytime temperature 26°C
Feels like 26°C
Humidity 47%
Pressure 1016 hPa
Cloud cover 100%
Wind direction northeast
Gusts 19 km/h
Sunrise 6:47 AM
Sunset 7:50 PM
Saturday, Sep 5Sat Sep 5
Sunny
28°/16°
💧 None
💨 9 km/h
Sunny
28°/16°
💧 None
💨 9 km/h
Daytime temperature 28°C
Feels like 27°C
Humidity 38%
Pressure 1015 hPa
Cloud cover 0%
Wind direction east
Gusts 8 km/h
Sunrise 6:48 AM
Sunset 7:48 PM
Sunday, Sep 6Sun Sep 6
Light rain
27°/18°
💧 2.3 mm
💨 16 km/h
Light rain
27°/18°
💧 2.3 mm
💨 16 km/h
Daytime temperature 26°C
Feels like 26°C
Humidity 69%
Pressure 1010 hPa
Cloud cover 99%
Wind direction south
Gusts 38 km/h
Sunrise 6:49 AM
Sunset 7:47 PM
Monday, Sep 7Mon Sep 7
Light rain
27°/16°
💧 1.5 mm
💨 24 km/h
Light rain
27°/16°
💧 1.5 mm
💨 24 km/h
Daytime temperature 27°C
Feels like 27°C
Humidity 39%
Pressure 1009 hPa
Cloud cover 54%
Wind direction northwest
Gusts 50 km/h
Sunrise 6:50 AM
Sunset 7:45 PM
Tuesday, Sep 8Tue Sep 8
Mostly sunny
23°/11°
💧 None
💨 26 km/h
Mostly sunny
23°/11°
💧 None
💨 26 km/h
Daytime temperature 23°C
Feels like 22°C
Humidity 26%
Pressure 1013 hPa
Cloud cover 19%
Wind direction northwest
Gusts 39 km/h
Sunrise 6:51 AM
Sunset 7:43 PM
Wednesday, Sep 9Wed Sep 9
Light rain
20°/11°
💧 0.3 mm
💨 18 km/h
Light rain
20°/11°
💧 0.3 mm
💨 18 km/h
Daytime temperature 20°C
Feels like 19°C
Humidity 46%
Pressure 1009 hPa
Cloud cover 100%
Wind direction west
Gusts 34 km/h
Sunrise 6:52 AM
Sunset 7:41 PM
Thursday, Sep 10Thu Sep 10
Sunny
20°/9°
💧 None
💨 21 km/h
Sunny
20°/9°
💧 None
💨 21 km/h
Daytime temperature 20°C
Feels like 18°C
Humidity 33%
Pressure 1013 hPa
Cloud cover 3%
Wind direction northwest
Gusts 42 km/h
Sunrise 6:53 AM
Sunset 7:40 PM
Friday, Sep 11Fri Sep 11
Partly cloudy
19°/7°
💧 None
💨 10 km/h
Partly cloudy
19°/7°
💧 None
💨 10 km/h
Daytime temperature 17°C
Feels like 16°C
Humidity 45%
Pressure 1019 hPa
Cloud cover 42%
Wind direction north
Gusts 16 km/h
Sunrise 6:55 AM
Sunset 7:38 PM
Saturday, Sep 12Sat Sep 12
Mostly sunny
19°/9°
💧 None
💨 15 km/h
Mostly sunny
19°/9°
💧 None
💨 15 km/h
Daytime temperature 19°C
Feels like 18°C
Humidity 49%
Pressure 1021 hPa
Cloud cover 14%
Wind direction east
Gusts 12 km/h
Sunrise 6:56 AM
Sunset 7:36 PM
TEMPERATURE OUTLOOK
Temperature & Weather Trends in Hamilton
AIR QUALITY FORECAST
Air Quality Forecast for Hamilton
Good
Nearest forecast value
9:00 AM
PM2.5 Fine particles Good 3,0µg/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 3,4µg/m³
Includes dust, pollen and other airborne particles. High concentrations may irritate the respiratory system.
O₃ Ozone Good 44,0µg/m³
Ground-level ozone can irritate the eyes and respiratory system when concentrations are elevated.
NO₂ Nitrogen dioxide Good 4,5µg/m³
A gas emitted mainly by traffic and some industrial activity. High exposure can affect respiratory health.
Air quality is favorable for outdoor activities.
Good
Selected time
12:00 AM
PM2.5 Fine particles Good 2,5µg/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 2,9µg/m³
Includes dust, pollen and other airborne particles. High concentrations may irritate the respiratory system.
O₃ Ozone Good 45,8µg/m³
Ground-level ozone can irritate the eyes and respiratory system when concentrations are elevated.
NO₂ Nitrogen dioxide Good 7,9µg/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 2,9µg/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 3,0µg/m³
Includes dust, pollen and other airborne particles. High concentrations may irritate the respiratory system.
O₃ Ozone Fair 62,8µg/m³
Ground-level ozone can irritate the eyes and respiratory system when concentrations are elevated.
NO₂ Nitrogen dioxide Good 5,6µg/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 Fair 15,0µg/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 15,7µg/m³
Includes dust, pollen and other airborne particles. High concentrations may irritate the respiratory system.
O₃ Ozone Fair 92,7µg/m³
Ground-level ozone can irritate the eyes and respiratory system when concentrations are elevated.
NO₂ Nitrogen dioxide Good 7,9µg/m³
A gas emitted mainly by traffic and some industrial activity. High exposure can affect respiratory health.
Air quality is acceptable for most people.
Moderate
Selected time
12:00 AM
PM2.5 Fine particles Fair 16,9µg/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 17,8µg/m³
Includes dust, pollen and other airborne particles. High concentrations may irritate the respiratory system.
O₃ Ozone Moderate 101,2µg/m³
Ground-level ozone can irritate the eyes and respiratory system when concentrations are elevated.
NO₂ Nitrogen dioxide Good 6,7µg/m³
A gas emitted mainly by traffic and some industrial activity. High exposure can affect respiratory health.
Sensitive people should reduce strenuous and prolonged outdoor exertion.
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 6,0High
😊Good
Tomorrow
UV 7,0High
🙂Fair
Sunday
UV 6,0High
😐Moderate
Monday
UV 6,0High
😐Moderate
Tuesday
UV 7,0High
😐Moderate
Wednesday
UV 6,0High
—Unavailable
Thursday
UV 6,0High
—Unavailable
Hourly UV index today
9:00 AMUV 5,0
10:00 AMUV 5,0
11:00 AMUV 6,0
12:00 PMUV 6,0
1:00 PMUV 5,0
2:00 PMUV 5,0
3:00 PMUV 5,0
4:00 PMUV 5,0
5:00 PMUV 6,0
6:00 PMUV 6,0
7:00 PMUV 6,0
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
Internal PR simulation:
5.55
Population: 569,353
DISCOVER WEATHER NEARBY Weather in other cities
Explore current conditions and forecasts for other locations.
Forecast data for Hamilton were last refreshed today at 8:06 AM. The current forecast period extends through 30/08/2026 at 6:00 AM. 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.