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Weather in St. Thomas, Ontario, Canada

Now
30 °F

Ice fog.


Feels Like: 23 °F
Forecast: 41 / 31 °F
Wind: 8 mph from Northeast

Location: London Weather Station
Current Time: Mar 21, 2026 at 8:15:31 am
Latest Report: Mar 21, 2026 at 7:40 am
Visibility: 6 mi
Pressure: 30.03 "Hg
Humidity: 100%
Dew Point: 30 °F

Upcoming 5 hours

Now 9:00 am 10:00 am 11:00 am 12:00 pm 1:00 pm
30 °F 32 °F 34 °F 36 °F 37 °F 38 °F

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Forecast for the next 48 hours

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  Saturday Sunday
  Morning Afternoon Evening Night Morning Afternoon Evening
Forecast
Temperature 32 °F 40 °F 38 °F 40 °F 44 °F 44 °F 38 °F
Cloudy. Overcast. Overcast. Overcast. Sprin­kles. Overcast. Rain. Overcast. Sprin­kles. Overcast.
Feels Like 28 °F 33 °F 32 °F 36 °F 39 °F 38 °F 31 °F
Wind Speed 4 mph 11 mph 7 mph 5 mph 9 mph 11 mph 12 mph
Wind Direction ENE
S
SE
S
NW
NW
NE
Humidity 88% 66% 73% 88% 85% 77% 79%
Dew Point 29 °F 29 °F 30 °F 37 °F 39 °F 37 °F 32 °F
Visibility 6 mi 7 mi 6 mi 7 mi 6 mi 4 mi 4 mi
Probability of Precipitation 1% 0% 0% 2% 4% 54% 20%
Amount of Rain 0.00" 0.00" 0.00" 0.00" 0.01" 0.11" 0.04"
Amount of Snow 0.00" 0.00" 0.00" 0.00" 0.00" 0.00" 0.00"
* Updated Saturday, March 21, 2026 3:42:42 am St. Thomas time - Weather by CustomWeather, © 2026

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

Yesterday's weather

Light rain. Fog. 52 / 28 °F
Humidity: 92%. Wind: 9 mph from Southeast

More weather last week

Currently at nearby stations

33 °F

Delhi Cs Ont: (32 mi)

Chilly.

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Forecast for the next 2 weeks

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Sun Mon Tue Wed Thu Fri Sat
15
16
17
18
19
20

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Detailed forecast for 14 days