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Weather in Sarnia, Ontario, Canada

Now
12 °F

Clear.


Feels Like: 3 °F
Forecast: 30 / 10 °F
Wind: 6 mph from Southwest

Location: Sarnia Airport
Current Time: Dec 4, 2025 at 10:47:28 pm
Latest Report: Dec 4, 2025 at 10:00 pm
Visibility: 9 mi
Pressure: 30.30 "Hg
Humidity: 67%
Dew Point: 3 °F
Location of SarniaLocation

Upcoming 5 hours

Now11:00 pm12:00 am1:00 am2:00 am3:00 am
12 °F11 °F11 °F13 °F13 °F13 °F

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Forecast for the next 48 hours

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 ThursdayFridaySaturday
 EveningNightMorningAfternoonEveningNightMorning
Forecast
Temperature11 °F13 °F19 °F28 °F27 °F28 °F29 °F
Clear.Broken clouds.Mostly cloudy.Cloudy.Overcast.Overcast.Light snow. Overcast.
Feels Like2 °F2 °F8 °F18 °F16 °F16 °F19 °F
Wind Speed6 mph7 mph10 mph12 mph14 mph16 mph12 mph
Wind DirectionWSW
S
SSW
SSW
SSW
SSW
SW
Humidity81%76%84%65%77%81%89%
Dew Point6 °F7 °F15 °F18 °F21 °F23 °F26 °F
Visibility6 mi6 mi7 mi5 mi4 mi5 mi2 mi
Probability of Precipitation5%0%0%0%0%0%16%
Amount of Rain0.00"0.00"0.00"0.00"0.00"0.00"0.00"
Amount of Snow0.00"0.00"0.00"0.00"0.00"0.00"0.16"
* Updated Thursday, December 4, 2025 8:02:33 pm Sarnia time - Weather by CustomWeather, © 2025

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

Yesterday's weather

Light snow. Mostly cloudy. 28 / 21 °F
Humidity: 85%. Wind: 12 mph from Southwest

More weather last week

Currently at nearby stations

9 °F

Windsor Weather Station: (58 mi)

Clear.

9 °F

London Weather Station: (62 mi)

Passing clouds.

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Forecast for the next 2 weeks

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SunMonTueWedThuFriSat
30
1
2
3
4

View historic weather

20

Detailed forecast for 14 days