Feels like10°CWind direction northGusts —Humidity 71%Cloud cover 9%Pressure 1014 hPa
Sunny
12°💧 None💨 15 km/hH 79%1014 hPa
Feels like9°CWind direction northGusts —Humidity 79%Cloud cover 2%Pressure 1014 hPa
Partly cloudy
22°💧 None💨 11 km/hH 53%1013 hPa
Feels like20°CWind direction northGusts —Humidity 53%Cloud cover 44%Pressure 1013 hPa
Clear night
18°💧 None💨 12 km/hH 70%1013 hPa
Feels like16°CWind direction northwestGusts —Humidity 70%Cloud cover 5%Pressure 1013 hPa
Tuesday
Clear night
14°💧 None💨 6 km/hH 93%1014 hPa
Feels like14°CWind direction northGusts —Humidity 93%Cloud cover 0%Pressure 1014 hPa
Sunny
14°💧 None💨 6 km/hH 91%1015 hPa
Feels like13°CWind direction northeastGusts —Humidity 91%Cloud cover 0%Pressure 1015 hPa
Mostly cloudy
24°💧 None💨 6 km/hH 50%1015 hPa
Feels like24°CWind direction northGusts —Humidity 50%Cloud cover 84%Pressure 1015 hPa
Clear night
18°💧 None💨 5 km/hH 83%1016 hPa
Feels like18°CWind direction southGusts —Humidity 83%Cloud cover 3%Pressure 1016 hPa
Wednesday
Clear night
14°💧 None💨 7 km/hH 94%1018 hPa
Feels like13°CWind direction northGusts —Humidity 94%Cloud cover 0%Pressure 1018 hPa
Mostly sunny
14°💧 None💨 6 km/hH 83%1020 hPa
Feels like13°CWind direction northGusts —Humidity 83%Cloud cover 13%Pressure 1020 hPa
Mostly sunny
24°💧 None💨 6 km/hH 52%1020 hPa
Feels like24°CWind direction westGusts —Humidity 52%Cloud cover 12%Pressure 1020 hPa
Partly cloudy night
18°💧 None💨 2 km/hH 72%1021 hPa
Feels like19°CWind direction northeastGusts —Humidity 72%Cloud cover 51%Pressure 1021 hPa
Thursday
Clear night
15°💧 None💨 7 km/hH 94%1022 hPa
Feels like14°CWind direction northGusts —Humidity 94%Cloud cover 1%Pressure 1022 hPa
Partly cloudy
14°💧 None💨 6 km/hH 95%1024 hPa
Feels like14°CWind direction northGusts —Humidity 95%Cloud cover 64%Pressure 1024 hPa
Overcast
24°💧 None💨 2 km/hH 47%1024 hPa
Feels like25°CWind direction southGusts —Humidity 47%Cloud cover 95%Pressure 1024 hPa
Mostly cloudy night
19°💧 None💨 5 km/hH 75%1024 hPa
Feels like19°CWind direction southeastGusts —Humidity 75%Cloud cover 86%Pressure 1024 hPa
Friday
Overcast night
16°💧 None💨 3 km/hH 90%1025 hPa
Feels like16°CWind direction southGusts —Humidity 90%Cloud cover 98%Pressure 1025 hPa
Overcast
15°💧 None💨 6 km/hH 93%1025 hPa
Feels like15°CWind direction southeastGusts —Humidity 93%Cloud cover 100%Pressure 1025 hPa
Overcast
24°💧 None💨 10 km/hH 60%1024 hPa
Feels like24°CWind direction southGusts —Humidity 60%Cloud cover 100%Pressure 1024 hPa
Overcast night
19°💧 None💨 9 km/hH 77%1022 hPa
Feels like19°CWind direction southeastGusts —Humidity 77%Cloud cover 100%Pressure 1022 hPa
Saturday
Overcast night
17°💧 None💨 6 km/hH 95%1021 hPa
Feels like18°CWind direction southGusts —Humidity 95%Cloud cover 96%Pressure 1021 hPa
Mostly sunny
16°💧 None💨 8 km/hH 88%1021 hPa
Feels like16°CWind direction westGusts —Humidity 88%Cloud cover 20%Pressure 1021 hPa
Mostly sunny
27°💧 None💨 9 km/hH 43%1019 hPa
Feels like26°CWind direction westGusts —Humidity 43%Cloud cover 11%Pressure 1019 hPa
Mostly clear night
21°💧 None💨 9 km/hH 75%1018 hPa
Feels like22°CWind direction southGusts —Humidity 75%Cloud cover 19%Pressure 1018 hPa
Sunday
Clear night
18°💧 None💨 7 km/hH 81%1017 hPa
Feels like18°CWind direction southwestGusts —Humidity 81%Cloud cover 0%Pressure 1017 hPa
Overcast
17°💧 None💨 11 km/hH 93%1016 hPa
Feels like16°CWind direction southGusts —Humidity 93%Cloud cover 100%Pressure 1016 hPa
Overcast
23°💧 None💨 19 km/hH 63%1012 hPa
Feels like21°CWind direction southGusts —Humidity 63%Cloud cover 100%Pressure 1012 hPa
Moderate rain
18°💧 None💨 21 km/hH 96%1011 hPa
Feels like16°CWind direction southwestGusts —Humidity 96%Cloud cover 100%Pressure 1011 hPa
Monday
Overcast night
13°💧 None💨 24 km/hH 91%1012 hPa
Feels like9°CWind direction northwestGusts —Humidity 91%Cloud cover 100%Pressure 1012 hPa
Sunny
10°💧 None💨 18 km/hH 75%1019 hPa
Feels like6°CWind direction northGusts —Humidity 75%Cloud cover 0%Pressure 1019 hPa
Sunny
16°💧 None💨 19 km/hH 47%1020 hPa
Feels like11°CWind direction northwestGusts —Humidity 47%Cloud cover 0%Pressure 1020 hPa
Clear night
11°💧 None💨 13 km/hH 72%1022 hPa
Feels like7°CWind direction northwestGusts —Humidity 72%Cloud cover 0%Pressure 1022 hPa
Tuesday
Clear night
8°💧 None💨 8 km/hH 91%1023 hPa
Feels like5°CWind direction northwestGusts —Humidity 91%Cloud cover 9%Pressure 1023 hPa
Overcast
7°💧 None💨 3 km/hH 93%1022 hPa
Feels like5°CWind direction northGusts —Humidity 93%Cloud cover 98%Pressure 1022 hPa
Overcast
14°💧 None💨 5 km/hH 57%1020 hPa
Feels like12°CWind direction southGusts —Humidity 57%Cloud cover 100%Pressure 1020 hPa
Overcast night
12°💧 None💨 2 km/hH 78%1016 hPa
Feels like11°CWind direction eastGusts —Humidity 78%Cloud cover 100%Pressure 1016 hPa
In Markham and, more broadly, across the province of Ontario:
This morning across the region, mainly cloudy skies are expected to persist, with temperatures ranging from about 8 to 17 degrees Celsius. In many areas, conditions are expected to remain dry through the early hours. During the afternoon, skies will likely stay mostly cloudy, with temperatures remaining steady within the same range. Winds will predominantly come from the northeast at around 14 km/h, with gusts reaching up to 32 km/h at times. Overall, little to no precipitation is anticipated today, but the breeze from the northeast may cause some minor disturbances locally. No significant weather hazards are expected in the coming hours.
15-Day Weather Outlook for Markham
TomorrowTomorrowSunny17°/8°💧 None💨 16 km/h
Daytime temperature 16°CFeels like 13°CHumidity 72%Pressure 1033 hPaCloud cover 2%Wind direction eastGusts 35 km/hSunrise —Sunset —
Thursday, Sep 24Thu Sep 24Mostly sunny18°/9°💧 None💨 12 km/h
Daytime temperature 17°CFeels like 14°CHumidity 74%Pressure 1031 hPaCloud cover 2%Wind direction eastGusts 29 km/hSunrise —Sunset —
Friday, Sep 25Fri Sep 25Sunny19°/8°💧 None💨 12 km/h
Daytime temperature 16°CFeels like 13°CHumidity 71%Pressure 1027 hPaCloud cover 0%Wind direction northeastGusts 27 km/hSunrise —Sunset —
Saturday, Sep 26Sat Sep 26Mostly sunny21°/10°💧 None💨 15 km/h
Daytime temperature 18°CFeels like 16°CHumidity 67%Pressure 1022 hPaCloud cover 8%Wind direction northGusts 31 km/hSunrise —Sunset —
Sunday, Sep 27Sun Sep 27Overcast21°/10°💧 None💨 19 km/h
Daytime temperature 17°CFeels like 14°CHumidity 67%Pressure 1017 hPaCloud cover 77%Wind direction northGusts 42 km/hSunrise —Sunset —
Monday, Sep 28Mon Sep 28Partly cloudy22°/12°💧 None💨 15 km/h
Daytime temperature 22°CFeels like 20°CHumidity 68%Pressure 1014 hPaCloud cover 15%Wind direction northGusts —Sunrise —Sunset —
Tuesday, Sep 29Tue Sep 29Mostly cloudy24°/14°💧 None💨 6 km/h
Daytime temperature 24°CFeels like 24°CHumidity 79%Pressure 1015 hPaCloud cover 22%Wind direction northGusts —Sunrise —Sunset —
Wednesday, Sep 30Wed Sep 30Mostly sunny24°/14°💧 None💨 7 km/h
Daytime temperature 24°CFeels like 24°CHumidity 75%Pressure 1020 hPaCloud cover 19%Wind direction westGusts —Sunrise —Sunset —
Thursday, Oct 1Thu Oct 1Partly cloudy24°/14°💧 None💨 7 km/h
Daytime temperature 24°CFeels like 25°CHumidity 78%Pressure 1024 hPaCloud cover 62%Wind direction southGusts —Sunrise —Sunset —
Friday, Oct 2Fri Oct 2Overcast24°/15°💧 None💨 10 km/h
Daytime temperature 24°CFeels like 24°CHumidity 80%Pressure 1024 hPaCloud cover 100%Wind direction southGusts —Sunrise —Sunset —
Saturday, Oct 3Sat Oct 3Overcast27°/16°💧 None💨 9 km/h
Daytime temperature 27°CFeels like 26°CHumidity 75%Pressure 1020 hPaCloud cover 36%Wind direction westGusts —Sunrise —Sunset —
Sunday, Oct 4Sun Oct 4Moderate rain23°/17°💧 7.4 mm💨 21 km/h
Daytime temperature 23°CFeels like 21°CHumidity 83%Pressure 1014 hPaCloud cover 75%Wind direction southGusts —Sunrise —Sunset —
Monday, Oct 5Mon Oct 5Overcast16°/10°💧 1.7 mm💨 24 km/h
Daytime temperature 16°CFeels like 11°CHumidity 71%Pressure 1018 hPaCloud cover 25%Wind direction northwestGusts —Sunrise —Sunset —
Tuesday, Oct 6Tue Oct 6Overcast14°/7°💧 None💨 8 km/h
Daytime temperature 14°CFeels like 12°CHumidity 80%Pressure 1020 hPaCloud cover 77%Wind direction southGusts —Sunrise —Sunset —
Microscopic particles that can penetrate deep into the lungs. Elevated concentrations can especially affect children, older adults and people with respiratory conditions.
Microscopic particles that can penetrate deep into the lungs. Elevated concentrations can especially affect children, older adults and people with respiratory conditions.
Microscopic particles that can penetrate deep into the lungs. Elevated concentrations can especially affect children, older adults and people with respiratory conditions.
Microscopic particles that can penetrate deep into the lungs. Elevated concentrations can especially affect children, older adults and people with respiratory conditions.
Microscopic particles that can penetrate deep into the lungs. Elevated concentrations can especially affect children, older adults and people with respiratory conditions.
Today's weather health advice
Open today's recommendations.
⌄
☀️
Moderate UV risk
Sunglasses and sun protection are recommended for prolonged exposure.
🌬️
Acceptable air quality
Air quality is acceptable for most people. Very sensitive people may want to reduce prolonged exertion.
💧
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 Markham
Vertical axis: km/h · Horizontal axis: hours
km/h
Sustained windMax gusts
NIGHT SKY · MARKHAM, ONTARIO
Tonight's Stargazing & Shooting Stars
Excellent observing conditions. Best local viewing window: 5:00 AM–6:00 AM.
100/100Best-hour score
BEST TIME TONIGHT5:00 AM–6:00 AM
Astronomical darkness: 8:51 PM–5:29 AM
☁Cloud cover0%
Real hourly forecast for the best viewing hour.
☾Moonlight89%
Waxing Gibbous · Moon below the horizon at the best viewing hour.
☄Meteor activitySouthern Taurids
Reference ZHR 7 · Radiant 61° high at the best hour.
✦Estimated visible meteors1–4/hour
Local estimate after weather, moonlight and radiant-height adjustments.
Chance ≥1 meteor in 30 min72%
UPCOMING METEOR PERIODSStart, peak and end dates · weather should be checked closer to the peak.
SEP 20–NOV 20
Southern TauridsStart SEP 20 · Peak NOV 5 · End NOV 20 · ZHR 7 · 20% Moon at peak
ACTIVE NOW
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
NOV 6–NOV 30
LeonidsStart NOV 6 · Peak NOV 17 · End NOV 30 · ZHR 15 · 52% 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 NEARBYWeather in other cities⌄
Explore current conditions and forecasts for other locations.
Forecast data for Markham were last refreshed today at 7:49 AM. The current forecast period extends through 24/09/2026 at 5:00 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.