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Weather in Sarnia, Ontario, Canada

Now
52 °F

Passing clouds.


Feels Like: 51 °F
Forecast: 76 / 50 °F
Wind: 3 mph from Southeast

Location: Sarnia Airport
Current Time: Sep 10, 2025 at 2:20:40 am
Latest Report: Sep 10, 2025 at 2:00 am
Visibility: 9 mi
Pressure: 30.19 "Hg
Humidity: 88%
Dew Point: 48 °F

Upcoming 5 hours

Now 3:00 am 4:00 am 5:00 am 6:00 am 7:00 am
52 °F 52 °F 52 °F 52 °F 52 °F 51 °F

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Forecast for the next 48 hours

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  Wednesday Thursday
  Night Morning Afternoon Evening Night Morning Afternoon
Forecast
Temperature 52 °F 57 °F 76 °F 62 °F 54 °F 60 °F 73 °F
Overcast. Overcast. Cloudy. Mostly cloudy. Scatt­erred clouds. Scatt­erred clouds. Sunny.
Feels Like 50 °F 57 °F 78 °F 62 °F 53 °F 60 °F 77 °F
Wind Speed 6 mph 1 mph 5 mph 6 mph 4 mph 6 mph 11 mph
Wind Direction SSE
SSE
N
ENE
NE
N
N
Humidity 91% 85% 44% 76% 94% 85% 51%
Dew Point 49 °F 53 °F 52 °F 55 °F 52 °F 56 °F 54 °F
Visibility 7 mi 7 mi 9 mi 8 mi 7 mi 6 mi 8 mi
Probability of Precipitation 0% 0% 0% 0% 0% 0% 0%
Amount of Rain 0.00" 0.00" 0.00" 0.00" 0.00" 0.00" 0.00"
Amount of Snow 0.00" 0.00" 0.00" 0.00" 0.00" 0.00" 0.00"
* Updated Tuesday, September 9, 2025 9:42:50 pm Sarnia time - Weather by CustomWeather, © 2025

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

Yesterday's weather

Clear. 75 / 45 °F
Humidity: 70%. Wind: 6 mph from South

More weather last week

Currently at nearby stations

55 °F

Windsor Weather Station: (58 mi)

Passing clouds.

50 °F

London Weather Station: (62 mi)

Passing clouds.

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Forecast for the next 2 weeks

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Sun Mon Tue Wed Thu Fri Sat
7
8
9

View historic weather

25
26
27

Detailed forecast for 14 days