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Weather in St. Thomas, Ontario, Canada

Now
50 °F

Passing clouds.


Feels Like: 49 °F
Forecast: 74 / 54 °F
Wind: 3 mph from Northeast

Location: London Weather Station
Current Time: Sep 10, 2025 at 4:23:09 am
Latest Report: Sep 10, 2025 at 4:00 am
Visibility: 15 mi
Pressure: 30.20 "Hg
Humidity: 88%
Dew Point: 46 °F

Upcoming 5 hours

Now 5:00 am 6:00 am 7:00 am 8:00 am 9:00 am
50 °F 55 °F 55 °F 55 °F 57 °F 62 °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 54 °F 62 °F 74 °F 62 °F 55 °F 58 °F 76 °F
Overcast. Cloudy. Overcast. Cloudy. Broken clouds. Mostly sunny. Sunny.
Feels Like 53 °F 62 °F 77 °F 62 °F 53 °F 57 °F 78 °F
Wind Speed 7 mph 6 mph 9 mph 3 mph 6 mph 5 mph 4 mph
Wind Direction E
S
S
W
NNE
NNE
S
Humidity 85% 80% 50% 82% 92% 81% 46%
Dew Point 50 °F 55 °F 54 °F 56 °F 52 °F 52 °F 53 °F
Visibility 7 mi 8 mi 10 mi 8 mi 7 mi 6 mi 9 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 St. Thomas time - Weather by CustomWeather, © 2025

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

Yesterday's weather

Scattered clouds. 72 / 45 °F
Humidity: 70%. Wind: 6 mph from East

More weather last week

Currently at nearby stations

44 °F

Delhi Cs Ont: (32 mi)

Quite cool. (1 hour ago)

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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