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St. Thomas, ON

Current Conditions

Partly Cloudy

Partly Cloudy

1°C34°F

Wind:
W 21
gust 31 km/h
W 13
gust 19 mph
More details
Temperature:
1.2°C
34.2° F
Pressure:
100.5 kPa
29.7 inches
Dew point:
-2.0°C
28.4°F
Visibility:
24 km
15 miles
Humidity:
79%
Date:
2:00 AM EST Wednesday 4 March 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 Tuesday 3 March 2020

Detailed ForecastForecast issued: 3:30 PM EST Tuesday 3 March 2020

Chance of showers
Tonight
0°C32°F
Periods of rain ending early this evening then mainly cloudy with 60 percent chance of showers. Wind becoming southwest 30 km/h gusting to 50 late this evening. Low zero.
A mix of sun and cloud
Wed, 4 Mar
5°C41°F
A mix of sun and cloud. Wind southwest 30 km/h gusting to 50. High plus 5. UV index 3 or moderate.
Night:  Clearing. Wind up to 15 km/h. Low minus 10. Wind chill minus 13 overnight.
Sunny
Thu, 5 Mar
5°C41°F
Sunny. High plus 5.
Night:  Periods of rain or snow. Low zero.
Periods of snow
Fri, 6 Mar
2°C36°F
Periods of snow. High plus 2.
Night:  Clearing. Low minus 10.
Sunny
Sat, 7 Mar
2°C36°F
Sunny. High plus 2.
Night:  Cloudy periods. Low minus 1.
A mix of sun and cloud
Sun, 8 Mar
9°C48°F
A mix of sun and cloud. High 9.
Night:  Cloudy periods with 40 percent chance of showers. Low plus 2.
Chance of showers
Mon, 9 Mar
5°C41°F
Cloudy with 60 percent chance of showers. High plus 5.
Normals:
Max 3°C.37°F. Min -6°C.21°F.
Sunrise:
6:55 EST
Sunset:
18:17 EST

Averages and extremes

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.

05 March
Average high
  • 1.7°C35.1°F
Average low
  • -6.8°C19.8°F
Highest temperature (1941-2002)
  • 12.6°C54.7°F
  • 1983
Lowest temperature (1941-2002)
  • -21.7°C-7.1°F
  • 1948
Greatest precipitation (1941-2017)
  • 20.8 mm0.82 inches
  • 2011
Greatest rainfall (1941-2017)
  • 17.3 mm0.68 inches
  • 1965
Greatest snowfall (1941-2017)
  • 14.8 cm5.83 inches
  • 1996
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.

06 March
Average high
  • 1.9°C35.4°F
Average low
  • -6.6°C20.1°F
Highest temperature (1941-2002)
  • 16.7°C62.1°F
  • 1961
Lowest temperature (1941-2002)
  • -20.7°C-5.3°F
  • 1978
Greatest precipitation (1941-2017)
  • 36.1 mm1.42 inches
  • 1956
Greatest rainfall (1941-2017)
  • 36.1 mm1.42 inches
  • 1956
Greatest snowfall (1941-2017)
  • 12.2 cm4.8 inches
  • 1986
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.

07 March
Average high
  • 2.1°C35.8°F
Average low
  • -6.4°C20.5°F
Highest temperature (1941-2002)
  • 21.4°C70.5°F
  • 2000
Lowest temperature (1941-2002)
  • -19.3°C-2.7°F
  • 1978
Greatest precipitation (1941-2017)
  • 34.6 mm1.36 inches
  • 2009
Greatest rainfall (1941-2017)
  • 34.6 mm1.36 inches
  • 2009
Greatest snowfall (1941-2017)
  • 9.1 cm3.58 inches
  • 1975
Most snow on the ground (1955-2017)
  • 34.0 cm13.39 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.

08 March
Average high
  • 2.3°C36.1°F
Average low
  • -6.2°C20.8°F
Highest temperature (1941-2002)
  • 24.8°C76.6°F
  • 2000
Lowest temperature (1941-2002)
  • -21.5°C-6.7°F
  • 1999
Greatest precipitation (1941-2017)
  • 21.4 mm0.84 inches
  • 2006
Greatest rainfall (1941-2017)
  • 21.4 mm0.84 inches
  • 2006
Greatest snowfall (1941-2017)
  • 19.0 cm7.48 inches
  • 2008
Most snow on the ground (1955-2017)
  • 33.0 cm12.99 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.

09 March
Average high
  • 2.6°C36.7°F
Average low
  • -6.0°C21.2°F
Highest temperature (1941-2002)
  • 19.4°C66.9°F
  • 2000
Lowest temperature (1941-2002)
  • -22.8°C-9.0°F
  • 1943
Greatest precipitation (1941-2017)
  • 20.4 mm0.8 inches
  • 2011
Greatest rainfall (1941-2017)
  • 20.4 mm0.8 inches
  • 2011
Greatest snowfall (1941-2017)
  • 6.6 cm2.6 inches
  • 1994
Most snow on the ground (1955-2017)
  • 33.0 cm12.99 inches
  • 2008
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:
5.0 °C41.0 °F
Min:
-1.2 °C29.8 °F
Total Precipitation:
6.8 mm0.27 in

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