St. Thomas, ON

Current Conditions
Mainly Clear

Mainly Clear

1°C 33°F

Wind:
WNW 10 km/h
WNW 6 mph
Conditions details
Observed at:
London Int'l Airport
Date:
6:00 AM EDT Thursday 26 April 2018
Condition:
Mainly Clear
Pressure:
101.2 kPa
29.9 inches
Tendency:
Falling
Visibility:
24 km
15 miles
Temperature:
0.8°C
33.4°F
Dew point:
-1.6°C
29.1°F
Humidity:
84%
Wind:
WNW 10 km/h
WNW 6 mph

ForecastIssued: 5:00 AM EDT Thursday 26 April 2018

Detailed ForecastIssued: 5:00 AM EDT Thursday 26 April 2018

Mainly sunny
Today
14°C 57°F
Mainly sunny. Wind becoming northwest 20 km/h this morning. High 14. UV index 6 or high.
Partly cloudy
Tonight
2°C 36°F
Partly cloudy. Low plus 2.
Showers
Fri, 27 Apr
15°C 59°F
A mix of sun and cloud. Showers beginning in the afternoon. Wind becoming southwest 20 km/h in the morning then becoming northwest 20 gusting to 40 in the afternoon. High 15.
Night:  Cloudy with 40 percent chance of showers. Low plus 3.
A mix of sun and cloud
Sat, 28 Apr
6°C 43°F
A mix of sun and cloud. High 6.
Night:  Cloudy periods. Low minus 3.
Sunny
Sun, 29 Apr
7°C 45°F
Sunny. High 7.
Night:  Clear. Low plus 1.
Sunny
Mon, 30 Apr
19°C 66°F
Sunny. High 19.
Night:  Clear. Low 9.
Sunny
Tue, 1 May
24°C 75°F
Sunny. High 24.
Night:  Clear. Low 12.
A mix of sun and cloud
Wed, 2 May
22°C 72°F
A mix of sun and cloud. High 22.
Normals:
Max 15°C.59°F. Min 5°C.41°F.
Sunrise:
6:26 EDT
Sunset:
20:19 EDT

Averages and extremes
21 April
Average high
  • 13.0°C55.4°F
Average low
  • 2.0°C35.6°F
Highest temperature (1941-2002)
  • 26.6°C79.9°F
  • 1985
Lowest temperature (1941-2002)
  • -5.9°C21.4°F
  • 1981
Greatest precipitation (1941-2005)
  • 47.2 mm1.86 inches
  • 1995
Greatest rainfall (1941-2005)
  • 47.2 mm1.86 inches
  • 1995
Greatest snowfall (1941-2006)
  • 1.4 cm0.55 inches
  • 1978
Most snow on the ground (1955-2006)
  • 1.0 cm0.39 inches
  • 1978
Monthly frequency of precipitation
  • 47 %

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.

22 April
Average high
  • 13.3°C55.9°F
Average low
  • 2.2°C36.0°F
Highest temperature (1941-2002)
  • 28.5°C83.3°F
  • 1985
Lowest temperature (1941-2002)
  • -5.0°C23.0°F
  • 1950
Greatest precipitation (1941-2005)
  • 24.4 mm0.96 inches
  • 1977
Greatest rainfall (1941-2005)
  • 24.4 mm0.96 inches
  • 1977
Greatest snowfall (1941-2006)
  • 0.9 cm0.35 inches
  • 2002
Most snow on the ground (1955-2006)
  • 0.0 cm0.0 inches
Monthly frequency of precipitation
  • 47 %

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.

23 April
Average high
  • 13.5°C56.3°F
Average low
  • 2.4°C36.3°F
Highest temperature (1941-2002)
  • 28.2°C82.8°F
  • 1985
Lowest temperature (1941-2002)
  • -4.4°C24.1°F
  • 1986
Greatest precipitation (1941-2005)
  • 24.0 mm0.94 inches
  • 2005
Greatest rainfall (1941-2005)
  • 19.6 mm0.77 inches
  • 1981
Greatest snowfall (1941-2006)
  • 12.0 cm4.72 inches
  • 2005
Most snow on the ground (1955-2006)
  • 0.0 cm0.0 inches
Monthly frequency of precipitation
  • 47 %

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 April
Average high
  • 13.8°C56.8°F
Average low
  • 2.6°C36.7°F
Highest temperature (1941-2002)
  • 28.9°C84.0°F
  • 1960
Lowest temperature (1941-2002)
  • -3.9°C25.0°F
  • 1967
Greatest precipitation (1941-2005)
  • 21.1 mm0.83 inches
  • 1976
Greatest rainfall (1941-2005)
  • 21.1 mm0.83 inches
  • 1976
Greatest snowfall (1941-2006)
  • 12.2 cm4.8 inches
  • 2005
Most snow on the ground (1955-2006)
  • 3.0 cm1.18 inches
  • 1967
Monthly frequency of precipitation
  • 47 %

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 April
Average high
  • 14.1°C57.4°F
Average low
  • 2.8°C37.0°F
Highest temperature (1941-2002)
  • 29.4°C84.9°F
  • 1990
Lowest temperature (1941-2002)
  • -5.6°C21.9°F
  • 1949
Greatest precipitation (1941-2005)
  • 39.4 mm1.55 inches
  • 1976
Greatest rainfall (1941-2005)
  • 35.6 mm1.4 inches
  • 1976
Greatest snowfall (1941-2006)
  • 3.8 cm1.5 inches
  • 1976
Most snow on the ground (1955-2006)
  • 0.0 cm0.0 inches
Monthly frequency of precipitation
  • 47 %

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 April
Average high
  • 14.3°C57.7°F
Average low
  • 3.0°C37.4°F
Highest temperature (1941-2002)
  • 28.0°C82.4°F
  • 1990
Lowest temperature (1941-2002)
  • -3.9°C25.0°F
  • 1972
Greatest precipitation (1941-2006)
  • 23.9 mm0.94 inches
  • 1945
Greatest rainfall (1941-2006)
  • 23.9 mm0.94 inches
  • 1945
Greatest snowfall (1941-2006)
  • 0.3 cm0.12 inches
  • 1966
Most snow on the ground (1955-2006)
  • 0.0 cm0.0 inches
Monthly frequency of precipitation
  • 47 %

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 April
Average high
  • 14.6°C58.3°F
Average low
  • 3.2°C37.8°F
Highest temperature (1941-2002)
  • 27.8°C82.0°F
  • 1962
Lowest temperature (1941-2002)
  • -3.9°C25.0°F
  • 1971
Greatest precipitation (1941-2006)
  • 19.3 mm0.76 inches
  • 1966
Greatest rainfall (1941-2006)
  • 19.3 mm0.76 inches
  • 1966
Greatest snowfall (1941-2006)
  • 0.0 cm0.0 inches
Most snow on the ground (1955-2006)
  • 0.0 cm0.0 inches
Monthly frequency of precipitation
  • 47 %

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 April
Average high
  • 14.9°C58.8°F
Average low
  • 3.4°C38.1°F
Highest temperature (1941-2002)
  • 27.7°C81.9°F
  • 1986
Lowest temperature (1941-2002)
  • -5.0°C23.0°F
  • 1946
Greatest precipitation (1941-2006)
  • 29.0 mm1.14 inches
  • 1956
Greatest rainfall (1941-2006)
  • 29.0 mm1.14 inches
  • 1956
Greatest snowfall (1941-2006)
  • 2.0 cm0.79 inches
  • 1988
Most snow on the ground (1955-2006)
  • 0.0 cm0.0 inches
Monthly frequency of precipitation
  • 47 %

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 April
Average high
  • 15.1°C59.2°F
Average low
  • 3.6°C38.5°F
Highest temperature (1941-2002)
  • 25.6°C78.1°F
  • 1941
Lowest temperature (1941-2002)
  • -3.2°C26.2°F
  • 1977
Greatest precipitation (1941-2006)
  • 14.5 mm0.57 inches
  • 1956
Greatest rainfall (1941-2006)
  • 14.5 mm0.57 inches
  • 1956
Greatest snowfall (1941-2006)
  • 0.0 cm0.0 inches
Most snow on the ground (1955-2006)
  • 0.0 cm0.0 inches
Monthly frequency of precipitation
  • 47 %

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.

30 April
Average high
  • 15.4°C59.7°F
Average low
  • 3.8°C38.8°F
Highest temperature (1941-2002)
  • 28.3°C82.9°F
  • 1942
Lowest temperature (1941-2002)
  • -3.8°C25.2°F
  • 1978
Greatest precipitation (1941-2006)
  • 23.6 mm0.93 inches
  • 1962
Greatest rainfall (1941-2006)
  • 23.6 mm0.93 inches
  • 1962
Greatest snowfall (1941-2006)
  • 1.3 cm0.51 inches
  • 1963
Most snow on the ground (1955-2006)
  • 0.0 cm0.0 inches
Monthly frequency of precipitation
  • 47 %

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 May
Average high
  • 15.6°C60.1°F
Average low
  • 4.0°C39.2°F
Highest temperature (1941-2002)
  • 26.1°C79.0°F
  • 1942
Lowest temperature (1941-2002)
  • -4.6°C23.7°F
  • 1978
Greatest precipitation (1941-2002)
  • 19.6 mm0.77 inches
  • 1998
Greatest rainfall (1941-2002)
  • 19.6 mm0.77 inches
  • 1998
Greatest snowfall (1941-2002)
  • 0.0 cm0.0 inches
Most snow on the ground (1955-2002)
  • 0.0 cm0.0 inches
Monthly frequency of precipitation
  • 41 %

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:
11.1°C 52.0°F
Min:
2.4°C 36.3°F
Total Precipitation:
6.3 mm 0.25 in

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