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St. Thomas, ON

Current Conditions

Light Snowshower

Light Snowshower

-6°C21°F

Wind:
WSW 23
gust 35 km/h
WSW 14
gust 22 mph
Wind Chill:
-14
7
More details
Temperature:
-6.3°C
20.7° F
Pressure:
101.0 kPa
29.8 inches
Dew point:
-8.3°C
17.1°F
Visibility:
2 km
1 mile
Humidity:
86%
Date:
6:00 PM EST Friday 28 February 2020
Observed at:
London Int'l Airport
Past 24 hour ConditionsPast 24 hour Conditions
Weather Radar
Satellite
Lightning
Alerts
Jet Stream
Hourly Forecast
Historical Weather

ForecastForecast issued: 3:30 PM EST Friday 28 February 2020

Detailed ForecastForecast issued: 3:30 PM EST Friday 28 February 2020

Flurries
Tonight
-8°C18°F
Mainly cloudy. 40 percent chance of flurries early this evening. Flurries beginning this evening. Risk of snow squalls late this evening and overnight. Local blowing snow this evening and overnight. Occasional drifting snow. Local amount 2 cm. Wind west 30 km/h gusting to 50. Low minus 8. Wind chill minus 12 this evening and minus 17 overnight.
A few flurries
Sat, 29 Feb
-1°C30°F
A few flurries ending in the afternoon then a mix of sun and cloud. Risk of snow squalls in the morning. Local blowing snow. Local amount 2 to 4 cm. Wind northwest 20 km/h gusting to 40. High minus 1. Wind chill minus 14 in the morning and minus 7 in the afternoon. UV index 3 or moderate.
Night:  Partly cloudy. 30 percent chance of flurries overnight. Wind west 20 km/h gusting to 40 becoming light in the evening. Low minus 7. Wind chill minus 7 in the evening and minus 12 overnight.
Cloudy
Sun, 1 Mar
3°C37°F
Cloudy. High plus 3.
Night:  Cloudy with 40 percent chance of rain showers or flurries. Low plus 3.
Chance of showers
Mon, 2 Mar
5°C41°F
Cloudy with 60 percent chance of showers. High plus 5.
Night:  Cloudy with 30 percent chance of rain showers or flurries. Low minus 3.
A mix of sun and cloud
Tue, 3 Mar
4°C39°F
A mix of sun and cloud. High plus 4.
Night:  Cloudy periods. Low minus 1.
A mix of sun and cloud
Wed, 4 Mar
7°C45°F
A mix of sun and cloud. High 7.
Night:  Cloudy with 30 percent chance of flurries. Low plus 1.
Periods of rain
Thu, 5 Mar
5°C41°F
Periods of rain. High plus 5.
Normals:
Max 2°C.36°F. Min -6°C.21°F.
Sunrise:
7:03 EST
Sunset:
18:11 EST

Averages and extremes

23 February
Average high
  • -0.3°C31.5°F
Average low
  • -8.8°C16.2°F
Highest temperature (1941-2002)
  • 14.1°C57.4°F
  • 1984
Lowest temperature (1941-2002)
  • -18.9°C-2.0°F
  • 1965
Greatest precipitation (1941-2017)
  • 41.8 mm1.65 inches
  • 1985
Greatest rainfall (1941-2017)
  • 41.8 mm1.65 inches
  • 1985
Greatest snowfall (1941-2017)
  • 13.0 cm5.12 inches
  • 1994
Most snow on the ground (1955-2017)
  • 35.0 cm13.78 inches
  • 2015
Monthly frequency of precipitation
  • 54 %

Note that more recent Averages and Extremes information for this location may be available. Please visit the Historical Climate Data's Almanac Averages and Extremes page.

24 February
Average high
  • -0.2°C31.6°F
Average low
  • -8.6°C16.5°F
Highest temperature (1941-2002)
  • 10.6°C51.1°F
  • 1961
Lowest temperature (1941-2002)
  • -18.6°C-1.5°F
  • 1989
Greatest precipitation (1941-2017)
  • 25.9 mm1.02 inches
  • 1975
Greatest rainfall (1941-2017)
  • 25.9 mm1.02 inches
  • 1975
Greatest snowfall (1941-2017)
  • 7.4 cm2.91 inches
  • 1990
Most snow on the ground (1955-2017)
  • 35.0 cm13.78 inches
  • 2015
Monthly frequency of precipitation
  • 54 %

Note that more recent Averages and Extremes information for this location may be available. Please visit the Historical Climate Data's Almanac Averages and Extremes page.

25 February
Average high
  • 0.1°C32.2°F
Average low
  • -8.4°C16.9°F
Highest temperature (1941-2002)
  • 13.3°C55.9°F
  • 1957
Lowest temperature (1941-2002)
  • -22.0°C-7.6°F
  • 1993
Greatest precipitation (1941-2017)
  • 33.8 mm1.33 inches
  • 1965
Greatest rainfall (1941-2017)
  • 11.4 mm0.45 inches
  • 1961
Greatest snowfall (1941-2017)
  • 30.0 cm11.81 inches
  • 1965
Most snow on the ground (1955-2017)
  • 36.0 cm14.17 inches
  • 2015
Monthly frequency of precipitation
  • 54 %

Note that more recent Averages and Extremes information for this location may be available. Please visit the Historical Climate Data's Almanac Averages and Extremes page.

26 February
Average high
  • 0.2°C32.4°F
Average low
  • -8.2°C17.2°F
Highest temperature (1941-2002)
  • 17.8°C64.0°F
  • 2000
Lowest temperature (1941-2002)
  • -23.9°C-11.0°F
  • 1963
Greatest precipitation (1941-2017)
  • 19.1 mm0.75 inches
  • 1957
Greatest rainfall (1941-2017)
  • 19.1 mm0.75 inches
  • 1957
Greatest snowfall (1941-2017)
  • 11.4 cm4.49 inches
  • 1964
Most snow on the ground (1955-2017)
  • 36.0 cm14.17 inches
  • 1965
Monthly frequency of precipitation
  • 54 %

Note that more recent Averages and Extremes information for this location may be available. Please visit the Historical Climate Data's Almanac Averages and Extremes page.

27 February
Average high
  • 0.4°C32.7°F
Average low
  • -8.0°C17.6°F
Highest temperature (1941-2002)
  • 13.2°C55.8°F
  • 2000
Lowest temperature (1941-2002)
  • -22.2°C-8.0°F
  • 1963
Greatest precipitation (1941-2017)
  • 18.8 mm0.74 inches
  • 1997
Greatest rainfall (1941-2017)
  • 18.8 mm0.74 inches
  • 1997
Greatest snowfall (1941-2017)
  • 8.6 cm3.39 inches
  • 1967
Most snow on the ground (1955-2017)
  • 36.0 cm14.17 inches
  • 1965
Monthly frequency of precipitation
  • 54 %

Note that more recent Averages and Extremes information for this location may be available. Please visit the Historical Climate Data's Almanac Averages and Extremes page.

28 February
Average high
  • 0.6°C33.1°F
Average low
  • -7.8°C18.0°F
Highest temperature (1941-2002)
  • 10.7°C51.3°F
  • 1998
Lowest temperature (1941-2002)
  • -20.6°C-5.1°F
  • 1963
Greatest precipitation (1941-2017)
  • 36.0 mm1.42 inches
  • 2017
Greatest rainfall (1941-2017)
  • 36.0 mm1.42 inches
  • 2017
Greatest snowfall (1941-2017)
  • 13.5 cm5.31 inches
  • 1984
Most snow on the ground (1955-2017)
  • 35.0 cm13.78 inches
  • 2015
Monthly frequency of precipitation
  • 54 %

Note that more recent Averages and Extremes information for this location may be available. Please visit the Historical Climate Data's Almanac Averages and Extremes page.

29 February
Average high
  • 0.6°C33.1°F
Average low
  • -7.8°C18.0°F
Highest temperature (1944-2000)
  • 10.6°C51.1°F
  • 1976
Lowest temperature (1944-2000)
  • -21.7°C-7.1°F
  • 1980
Greatest precipitation (1944-2016)
  • 8.0 mm0.31 inches
  • 2008
Greatest rainfall (1944-2016)
  • 6.2 mm0.24 inches
  • 2012
Greatest snowfall (1944-2016)
  • 12.8 cm5.04 inches
  • 1984
Most snow on the ground (1956-2016)
  • 28.0 cm11.02 inches
  • 1960
Monthly frequency of precipitation
  • 54 %

Note that more recent Averages and Extremes information for this location may be available. Please visit the Historical Climate Data's Almanac Averages and Extremes page.

01 March
Average high
  • 0.8°C33.4°F
Average low
  • -7.6°C18.3°F
Highest temperature (1941-2002)
  • 12.9°C55.2°F
  • 1997
Lowest temperature (1941-2002)
  • -22.8°C-9.0°F
  • 1963
Greatest precipitation (1941-2017)
  • 26.7 mm1.05 inches
  • 1972
Greatest rainfall (1941-2017)
  • 26.7 mm1.05 inches
  • 1972
Greatest snowfall (1941-2017)
  • 10.0 cm3.94 inches
  • 2016
Most snow on the ground (1955-2017)
  • 36.0 cm14.17 inches
  • 2015
Monthly frequency of precipitation
  • 49 %

Note that more recent Averages and Extremes information for this location may be available. Please visit the Historical Climate Data's Almanac Averages and Extremes page.

02 March
Average high
  • 1.0°C33.8°F
Average low
  • -7.4°C18.7°F
Highest temperature (1941-2002)
  • 15.1°C59.2°F
  • 1991
Lowest temperature (1941-2002)
  • -24.8°C-12.6°F
  • 1978
Greatest precipitation (1941-2017)
  • 24.9 mm0.98 inches
  • 1976
Greatest rainfall (1941-2017)
  • 19.6 mm0.77 inches
  • 1976
Greatest snowfall (1941-2017)
  • 13.0 cm5.12 inches
  • 2006
Most snow on the ground (1955-2017)
  • 36.0 cm14.17 inches
  • 2014
Monthly frequency of precipitation
  • 49 %

Note that more recent Averages and Extremes information for this location may be available. Please visit the Historical Climate Data's Almanac Averages and Extremes page.

03 March
Average high
  • 1.2°C34.2°F
Average low
  • -7.2°C19.0°F
Highest temperature (1941-2002)
  • 15.6°C60.1°F
  • 1974
Lowest temperature (1941-2002)
  • -20.0°C-4.0°F
  • 1943
Greatest precipitation (1941-2017)
  • 34.8 mm1.37 inches
  • 1953
Greatest rainfall (1941-2017)
  • 34.8 mm1.37 inches
  • 1953
Greatest snowfall (1941-2017)
  • 14.7 cm5.79 inches
  • 1954
Most snow on the ground (1955-2017)
  • 35.0 cm13.78 inches
  • 2014
Monthly frequency of precipitation
  • 49 %

Note that more recent Averages and Extremes information for this location may be available. Please visit the Historical Climate Data's Almanac Averages and Extremes page.

04 March
Average high
  • 1.5°C34.7°F
Average low
  • -7.0°C19.4°F
Highest temperature (1941-2002)
  • 15.0°C59.0°F
  • 1966
Lowest temperature (1941-2002)
  • -22.8°C-9.0°F
  • 1950
Greatest precipitation (1941-2017)
  • 44.2 mm1.74 inches
  • 1985
Greatest rainfall (1941-2017)
  • 24.6 mm0.97 inches
  • 1974
Greatest snowfall (1941-2017)
  • 15.0 cm5.91 inches
  • 2008
Most snow on the ground (1955-2017)
  • 36.0 cm14.17 inches
  • 1960
Monthly frequency of precipitation
  • 49 %

Note that more recent Averages and Extremes information for this location may be available. Please visit the Historical Climate Data's Almanac Averages and Extremes page.

Yesterday's Data
Max:
-4.8 °C23.4 °F
Min:
-7.6 °C18.3 °F
Total Precipitation:
2.0 mm0.08 in

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