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Weather in Sarnia, Ontario, Canada

Now
30 °F

Overcast.


Feels Like: 21 °F
Forecast: 33 / 22 °F
Wind: 10 mph from West

Location: Sarnia Airport
Current Time: Dec 6, 2025 at 10:12:08 am
Latest Report: Dec 6, 2025 at 9:00 am
Visibility: 9 mi
Pressure: 29.82 "Hg
Humidity: 75%
Dew Point: 23 °F
Location of SarniaLocation

Upcoming 5 hours

Now11:00 am12:00 pm1:00 pm2:00 pm3:00 pm
30 °F31 °F32 °F33 °F33 °F32 °F

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Forecast for the next 48 hours

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 SaturdaySunday
 MorningAfternoonEveningNightMorningAfternoonEvening
Forecast
Temperature27 °F32 °F24 °F24 °F26 °F30 °F23 °F
Light snow. Broken clouds.Cloudy.Overcast.Overcast.Snow. Overcast.Light snow. Overcast.Light snow. Mostly clear.
Feels Like16 °F23 °F17 °F19 °F19 °F19 °F9 °F
Wind Speed13 mph12 mph7 mph3 mph7 mph14 mph18 mph
Wind DirectionSW
W
W
W
W
WNW
NW
Humidity86%73%89%91%91%75%71%
Dew Point24 °F25 °F22 °F21 °F24 °F23 °F15 °F
Visibility5 mi7 mi6 mi5 mi0 mi2 mi6 mi
Probability of Precipitation10%5%5%2%33%34%10%
Amount of Rain0.00"0.00"0.00"0.00"0.00"0.00"0.00"
Amount of Snow0.05"0.00"0.00"0.00"0.54"0.36"0.11"
* Updated Saturday, December 6, 2025 8:42:38 am Sarnia time - Weather by CustomWeather, © 2025

14 day forecast, day-by-dayHour-by-hour forecast for next week

Yesterday's weather

Mostly cloudy. 28 / 7 °F
Humidity: 70%. Wind: 11 mph from Southwest

More weather last week

Currently at nearby stations

30 °F

Windsor Weather Station: (58 mi)

Overcast. (1 hour ago)

28 °F

London Weather Station: (62 mi)

Light snow. Overcast. (1 hour ago)

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Forecast for the next 2 weeks

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SunMonTueWedThuFriSat
30
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2
3
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5

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Detailed forecast for 14 days