Home   Weather   Canada   St. Thomas
Flag for Canada

Weather in St. Thomas, Ontario, Canada

Now
19 °F

Snow flurries. Low clouds.


Feels Like: 5 °F
Forecast: 30 / 8 °F
Wind: 15 mph from South

Location: London Weather Station
Current Time: Jan 21, 2026 at 9:38:25 am
Latest Report: Jan 21, 2026 at 9:09 am
Visibility: 2 mi
Pressure: 30.09 "Hg
Humidity: 86%
Dew Point: 16 °F
Location of St. ThomasLocation

Upcoming 5 hours

Now10:00 am11:00 am12:00 pm1:00 pm2:00 pm
19 °F22 °F23 °F25 °F26 °F27 °F

See more hour-by-hour weather

Forecast for the next 48 hours

Scroll right to see more
 WednesdayThursday
 MorningAfternoonEveningNightMorningAfternoonEvening
Forecast
Temperature21 °F28 °F28 °F26 °F20 °F19 °F14 °F
Heavy snow. Overcast.Moderate snow. Overcast.Light snow. Overcast.Light snow. Overcast.Light snow. Broken clouds.Light snow. Cloudy.Light snow. Cloudy.
Feels Like6 °F16 °F16 °F14 °F5 °F6 °F-2 °F
Wind Speed16 mph16 mph15 mph15 mph18 mph14 mph16 mph
Wind DirectionS
SSW
SW
WSW
W
WSW
W
Humidity84%81%81%80%76%60%71%
Dew Point17 °F23 °F22 °F21 °F13 °F7 °F6 °F
Visibility0 mi0 mi2 mi2 mi2 mi2 mi2 mi
Probability of Precipitation63%66%35%35%26%23%28%
Amount of Rain0.00"0.00"0.00"0.00"0.00"0.00"0.00"
Amount of Snow2.03"1.31"0.35"0.30"0.37"0.43"0.49"
* Updated Wednesday, January 21, 2026 2:42:40 am St. Thomas time - Weather by CustomWeather, © 2026

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

Yesterday's weather

Passing clouds. 10 / 1 °F
Humidity: 72%. Wind: 15 mph from Southwest

More weather last week

Currently at nearby stations

19 °F

Delhi Cs Ont: (32 mi)

Cold.

More weather in Canada

Forecast for the next 2 weeks

Scroll right to see more
SunMonTueWedThuFriSat
18
19
20

View historic weather

5
6
7

Detailed forecast for 14 days