Feels like11°CWind direction northGusts —Humidity 85%Cloud cover 29%Pressure 1015 hPa
Sunny
13°💧 None💨 9 km/hH 95%1015 hPa
Feels like11°CWind direction northGusts —Humidity 95%Cloud cover 0%Pressure 1015 hPa
Clear night
22°💧 None💨 18 km/hH 48%1014 hPa
Feels like18°CWind direction northGusts —Humidity 48%Cloud cover 0%Pressure 1014 hPa
Tuesday
Clear night
16°💧 None💨 12 km/hH 91%1014 hPa
Feels like15°CWind direction northGusts —Humidity 91%Cloud cover 0%Pressure 1014 hPa
Sunny
15°💧 None💨 8 km/hH 94%1014 hPa
Feels like14°CWind direction northGusts —Humidity 94%Cloud cover 0%Pressure 1014 hPa
Sunny
14°💧 None💨 6 km/hH 94%1016 hPa
Feels like13°CWind direction northGusts —Humidity 94%Cloud cover 0%Pressure 1016 hPa
Clear night
23°💧 None💨 7 km/hH 59%1016 hPa
Feels like23°CWind direction northGusts —Humidity 59%Cloud cover 7%Pressure 1016 hPa
Wednesday
Clear night
17°💧 None💨 7 km/hH 83%1016 hPa
Feels like17°CWind direction northeastGusts —Humidity 83%Cloud cover 1%Pressure 1016 hPa
Sunny
14°💧 None💨 6 km/hH 92%1018 hPa
Feels like14°CWind direction northeastGusts —Humidity 92%Cloud cover 0%Pressure 1018 hPa
Mostly cloudy
11°💧 None💨 7 km/hH 99%1020 hPa
Feels like11°CWind direction northGusts —Humidity 99%Cloud cover 86%Pressure 1020 hPa
Mostly clear night
24°💧 None💨 3 km/hH 51%1020 hPa
Feels like25°CWind direction northwestGusts —Humidity 51%Cloud cover 22%Pressure 1020 hPa
Thursday
Overcast night
18°💧 None💨 8 km/hH 67%1020 hPa
Feels like17°CWind direction northeastGusts —Humidity 67%Cloud cover 98%Pressure 1020 hPa
Mostly cloudy
14°💧 None💨 5 km/hH 82%1022 hPa
Feels like14°CWind direction northeastGusts —Humidity 82%Cloud cover 93%Pressure 1022 hPa
Partly cloudy
13°💧 None💨 5 km/hH 88%1023 hPa
Feels like13°CWind direction northeastGusts —Humidity 88%Cloud cover 63%Pressure 1023 hPa
Mostly cloudy night
25°💧 None💨 4 km/hH 51%1023 hPa
Feels like26°CWind direction southeastGusts —Humidity 51%Cloud cover 93%Pressure 1023 hPa
Friday
Overcast night
20°💧 None💨 8 km/hH 82%1023 hPa
Feels like21°CWind direction southeastGusts —Humidity 82%Cloud cover 100%Pressure 1023 hPa
Overcast
17°💧 None💨 7 km/hH 91%1024 hPa
Feels like18°CWind direction eastGusts —Humidity 91%Cloud cover 99%Pressure 1024 hPa
Overcast
17°💧 None💨 8 km/hH 96%1024 hPa
Feels like18°CWind direction southeastGusts —Humidity 96%Cloud cover 100%Pressure 1024 hPa
Overcast night
26°💧 None💨 11 km/hH 57%1023 hPa
Feels like26°CWind direction southGusts —Humidity 57%Cloud cover 100%Pressure 1023 hPa
Saturday
Overcast night
21°💧 None💨 10 km/hH 84%1022 hPa
Feels like22°CWind direction southeastGusts —Humidity 84%Cloud cover 96%Pressure 1022 hPa
Overcast
19°💧 None💨 7 km/hH 91%1020 hPa
Feels like20°CWind direction southGusts —Humidity 91%Cloud cover 99%Pressure 1020 hPa
Mostly sunny
17°💧 None💨 6 km/hH 98%1021 hPa
Feels like18°CWind direction southGusts —Humidity 98%Cloud cover 34%Pressure 1021 hPa
Clear night
28°💧 None💨 10 km/hH 47%1019 hPa
Feels like28°CWind direction southGusts —Humidity 47%Cloud cover 5%Pressure 1019 hPa
Sunday
Clear night
22°💧 None💨 11 km/hH 77%1018 hPa
Feels like23°CWind direction southGusts —Humidity 77%Cloud cover 1%Pressure 1018 hPa
Mostly sunny
20°💧 None💨 11 km/hH 89%1016 hPa
Feels like21°CWind direction southGusts —Humidity 89%Cloud cover 22%Pressure 1016 hPa
Overcast
19°💧 None💨 15 km/hH 87%1015 hPa
Feels like19°CWind direction southGusts —Humidity 87%Cloud cover 98%Pressure 1015 hPa
Light rain
20°💧 None💨 17 km/hH 90%1013 hPa
Feels like20°CWind direction southwestGusts —Humidity 90%Cloud cover 100%Pressure 1013 hPa
Monday
Overcast night
20°💧 None💨 17 km/hH 92%1011 hPa
Feels like20°CWind direction southwestGusts —Humidity 92%Cloud cover 100%Pressure 1011 hPa
Overcast
14°💧 None💨 23 km/hH 79%1016 hPa
Feels like10°CWind direction northGusts —Humidity 79%Cloud cover 100%Pressure 1016 hPa
Partly cloudy
13°💧 None💨 14 km/hH 73%1020 hPa
Feels like10°CWind direction northGusts —Humidity 73%Cloud cover 71%Pressure 1020 hPa
Clear night
17°💧 None💨 19 km/hH 51%1022 hPa
Feels like12°CWind direction northGusts —Humidity 51%Cloud cover 4%Pressure 1022 hPa
Tuesday
Mostly cloudy night
12°💧 None💨 9 km/hH 74%1022 hPa
Feels like10°CWind direction northeastGusts —Humidity 74%Cloud cover 77%Pressure 1022 hPa
Mostly sunny
9°💧 None💨 9 km/hH 85%1023 hPa
Feels like6°CWind direction northeastGusts —Humidity 85%Cloud cover 40%Pressure 1023 hPa
Overcast
8°💧 None💨 13 km/hH 80%1022 hPa
Feels like5°CWind direction northeastGusts —Humidity 80%Cloud cover 96%Pressure 1022 hPa
Overcast night
16°💧 None💨 11 km/hH 61%1018 hPa
Feels like14°CWind direction eastGusts —Humidity 61%Cloud cover 100%Pressure 1018 hPa
Wednesday
Light rain
13°💧 None💨 12 km/hH 85%1016 hPa
Feels like11°CWind direction northGusts —Humidity 85%Cloud cover 100%Pressure 1016 hPa
In St. Clair 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 St. Clair
TomorrowTomorrowMostly sunny20°/11°💧 None💨 23 km/h
Daytime temperature 18°CFeels like 14°CHumidity 66%Pressure 1030 hPaCloud cover 32%Wind direction eastGusts 47 km/hSunrise —Sunset —
Thursday, Sep 24Thu Sep 24Mostly sunny19°/10°💧 None💨 17 km/h
Daytime temperature 18°CFeels like 15°CHumidity 67%Pressure 1029 hPaCloud cover 3%Wind direction eastGusts 35 km/hSunrise —Sunset —
Friday, Sep 25Fri Sep 25Mostly cloudy19°/8°💧 None💨 12 km/h
Daytime temperature 16°CFeels like 13°CHumidity 73%Pressure 1027 hPaCloud cover 26%Wind direction northeastGusts 26 km/hSunrise —Sunset —
Saturday, Sep 26Sat Sep 26Sunny21°/8°💧 None💨 11 km/h
Daytime temperature 18°CFeels like 17°CHumidity 73%Pressure 1024 hPaCloud cover 0%Wind direction northGusts 26 km/hSunrise —Sunset —
Sunday, Sep 27Sun Sep 27Mostly cloudy21°/8°💧 None💨 14 km/h
Daytime temperature 18°CFeels like 17°CHumidity 77%Pressure 1019 hPaCloud cover 12%Wind direction northGusts 29 km/hSunrise —Sunset —
Monday, Sep 28Mon Sep 28Mostly sunny22°/13°💧 None💨 18 km/h
Daytime temperature 13°CFeels like 11°CHumidity 80%Pressure 1015 hPaCloud cover 7%Wind direction northGusts 14 km/hSunrise —Sunset —
Tuesday, Sep 29Tue Sep 29Sunny23°/14°💧 None💨 12 km/h
Daytime temperature 14°CFeels like 13°CHumidity 84%Pressure 1015 hPaCloud cover 2%Wind direction northGusts —Sunrise —Sunset —
Wednesday, Sep 30Wed Sep 30Mostly cloudy24°/11°💧 None💨 7 km/h
Daytime temperature 11°CFeels like 11°CHumidity 81%Pressure 1018 hPaCloud cover 27%Wind direction northGusts —Sunrise —Sunset —
Thursday, Oct 1Thu Oct 1Overcast25°/13°💧 None💨 8 km/h
Daytime temperature 13°CFeels like 13°CHumidity 72%Pressure 1022 hPaCloud cover 87%Wind direction northeastGusts —Sunrise —Sunset —
Friday, Oct 2Fri Oct 2Overcast26°/17°💧 None💨 11 km/h
Daytime temperature 17°CFeels like 18°CHumidity 82%Pressure 1024 hPaCloud cover 100%Wind direction southeastGusts —Sunrise —Sunset —
Saturday, Oct 3Sat Oct 3Overcast28°/17°💧 None💨 10 km/h
Daytime temperature 17°CFeels like 18°CHumidity 80%Pressure 1020 hPaCloud cover 58%Wind direction southGusts —Sunrise —Sunset —
Sunday, Oct 4Sun Oct 4Light rain22°/19°💧 1.6 mm💨 17 km/h
Daytime temperature 19°CFeels like 19°CHumidity 86%Pressure 1016 hPaCloud cover 55%Wind direction southGusts —Sunrise —Sunset —
Monday, Oct 5Mon Oct 5Overcast20°/13°💧 9.3 mm💨 23 km/h
Daytime temperature 13°CFeels like 10°CHumidity 74%Pressure 1017 hPaCloud cover 69%Wind direction northGusts —Sunrise —Sunset —
Tuesday, Oct 6Tue Oct 6Mostly cloudy16°/8°💧 None💨 13 km/h
Daytime temperature 8°CFeels like 5°CHumidity 75%Pressure 1021 hPaCloud cover 78%Wind direction northeastGusts —Sunrise —Sunset —
Wednesday, Oct 7Wed Oct 7Light rain13°/13°💧 0.7 mm💨 12 km/h
Daytime temperature 13°CFeels like 11°CHumidity 85%Pressure 1016 hPaCloud cover 100%Wind direction northGusts —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.
🌬️
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 St. Clair
Vertical axis: km/h · Horizontal axis: hours
km/h
Sustained windMax gusts
NIGHT SKY · ST. CLAIR, ONTARIO
Tonight's Stargazing & Shooting Stars
Excellent observing conditions. Best local viewing window: 9:00 PM–10:00 PM.
91/100Best-hour score
BEST TIME TONIGHT9:00 PM–10:00 PM
Astronomical darkness: 9:02 PM–5:43 AM
☁Cloud cover3%
Real hourly forecast for the best viewing hour.
☾Moonlight86%
Waxing Gibbous · Moon about 26° above the horizon at the best viewing hour.
☄Meteor activitySouthern Taurids
Reference ZHR 7 · Radiant -9° high at the best hour.
✦Estimated visible meteors0–1/hour
Local estimate after weather, moonlight and radiant-height adjustments.
Chance ≥1 meteor in 30 min5%
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 St. Clair were last refreshed today at 8:43 AM. The current forecast period extends through 24/09/2026 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.