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Weather in St. Thomas, Ontario, Canada

Now
14 °F

Passing clouds.


Feels Like: 8 °F
Forecast: 30 / 10 °F
Wind: 3 mph from Southeast

Location: London Weather Station
Current Time: Dec 4, 2025 at 10:13:47 pm
Latest Report: Dec 4, 2025 at 9:00 pm
Visibility: 15 mi
Pressure: 30.33 "Hg
Humidity: 79%
Dew Point: 9 °F
Location of St. ThomasLocation

Upcoming 5 hours

Now11:00 pm12:00 am1:00 am2:00 am3:00 am
14 °F10 °F10 °F11 °F13 °F16 °F

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Forecast for the next 48 hours

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 ThursdayFridaySaturday
 EveningNightMorningAfternoonEveningNightMorning
Forecast
Temperature12 °F16 °F22 °F29 °F28 °F30 °F29 °F
Mostly clear.Mostly cloudy.Overcast.Overcast.Cloudy.Light snow. Overcast.Light snow. Overcast.
Feels Like4 °F16 °F15 °F20 °F20 °F19 °F19 °F
Wind Speed5 mph2 mph6 mph9 mph9 mph14 mph13 mph
Wind DirectionW
NNE
SW
SW
SW
SW
WSW
Humidity78%83%75%64%77%78%87%
Dew Point7 °F12 °F16 °F18 °F22 °F24 °F26 °F
Visibility6 mi5 mi7 mi8 mi6 mi5 mi2 mi
Probability of Precipitation5%1%1%0%0%0%41%
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"0.08"0.39"
* Updated Thursday, December 4, 2025 8:02:33 pm St. Thomas time - Weather by CustomWeather, © 2025

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

Yesterday's weather

Snow flurries. Low clouds. 28 / 9 °F
Humidity: 91%. Wind: 14 mph from West

More weather last week

Currently at nearby stations

5 °F

Delhi Cs Ont: (32 mi)

Frigid. (1 hour ago)

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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