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St. Thomas, ON

SPECIAL WEATHER STATEMENT ENDED

Current Conditions

Mostly Cloudy

Mostly Cloudy

12°C53°F

Wind:
NW 21 km/h
NW 13 mph
More details
Temperature:
11.8°C
53.2° F
Pressure:
100.8 kPa
29.8 inches
Dew point:
8.8°C
47.8°F
Visibility:
24 km
15 miles
Humidity:
82%
Date:
12:00 PM EDT Saturday 16 October 2021
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: 11:30 AM EDT Saturday 16 October 2021

SPECIAL WEATHER STATEMENT ENDED

Detailed ForecastForecast issued: 11:30 AM EDT Saturday 16 October 2021

Chance of showers
Today
15°C59°F
A few showers ending early this afternoon then mainly cloudy with 40 percent chance of showers. Wind west 30 km/h gusting to 50. High 15. UV index 3 or moderate.
Chance of showers
Tonight
7°C45°F
Mainly cloudy with 30 percent chance of showers. Low 7.
Chance of showers
Sun, 17 Oct
14°C57°F
Mainly cloudy with 60 percent chance of showers. Wind becoming west 30 km/h gusting to 50 in the morning. High 14. UV index 3 or moderate.
Night:  Cloudy with 60 percent chance of showers. Low 7.
Chance of showers
Mon, 18 Oct
16°C61°F
A mix of sun and cloud with 40 percent chance of showers. High 16.
Night:  Clear. Low 9.
Sunny
Tue, 19 Oct
18°C64°F
Sunny. High 18.
Night:  Clear. Low 9.
A mix of sun and cloud
Wed, 20 Oct
16°C61°F
A mix of sun and cloud. High 16.
Night:  Cloudy with 60 percent chance of showers. Low 10.
Chance of showers
Thu, 21 Oct
15°C59°F
Cloudy with 60 percent chance of showers. High 15.
Night:  Cloudy with 60 percent chance of showers. Low 8.
Chance of showers
Fri, 22 Oct
13°C55°F
A mix of sun and cloud with 30 percent chance of showers. High 13.
Normals:
Max 14°C.57°F. Min 5°C.41°F.
Sunrise:
7:39 EDT
Sunset:
18:41 EDT

Averages and extremes

11 October
Average high
  • 15.2°C59.4°F
Average low
  • 4.8°C40.6°F
Highest temperature (1940-2002)
  • 25.0°C77.0°F
  • 1962
Lowest temperature (1940-2002)
  • -3.3°C26.1°F
  • 1964
Greatest precipitation (1940-2005)
  • 46.7 mm1.84 inches
  • 1949
Greatest rainfall (1940-2005)
  • 46.7 mm1.84 inches
  • 1949
Greatest snowfall (1940-2005)
  • 4.2 cm1.65 inches
  • 1988
Most snow on the ground (1955-2005)
  • 0.0 cm0.0 inches
Monthly frequency of precipitation
  • 42 %

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.

12 October
Average high
  • 15.0°C59.0°F
Average low
  • 4.6°C40.3°F
Highest temperature (1940-2002)
  • 26.2°C79.2°F
  • 1995
Lowest temperature (1940-2002)
  • -2.8°C27.0°F
  • 1964
Greatest precipitation (1940-2002)
  • 30.5 mm1.2 inches
  • 1955
Greatest rainfall (1940-2002)
  • 30.5 mm1.2 inches
  • 1955
Greatest snowfall (1940-2005)
  • 6.8 cm2.68 inches
  • 1988
Most snow on the ground (1955-2005)
  • 3.0 cm1.18 inches
  • 1988
Monthly frequency of precipitation
  • 42 %

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.

13 October
Average high
  • 14.7°C58.5°F
Average low
  • 4.4°C39.9°F
Highest temperature (1940-2002)
  • 25.6°C78.1°F
  • 1969
Lowest temperature (1940-2002)
  • -2.9°C26.8°F
  • 1987
Greatest precipitation (1940-2005)
  • 32.0 mm1.26 inches
  • 1973
Greatest rainfall (1940-2005)
  • 32.0 mm1.26 inches
  • 1973
Greatest snowfall (1940-2005)
  • 2.3 cm0.91 inches
  • 1980
Most snow on the ground (1955-2005)
  • 0.0 cm0.0 inches
Monthly frequency of precipitation
  • 42 %

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.

14 October
Average high
  • 14.5°C58.1°F
Average low
  • 4.2°C39.6°F
Highest temperature (1940-2002)
  • 26.1°C79.0°F
  • 1975
Lowest temperature (1940-2002)
  • -2.9°C26.8°F
  • 1993
Greatest precipitation (1940-2005)
  • 46.5 mm1.83 inches
  • 1954
Greatest rainfall (1940-2005)
  • 46.5 mm1.83 inches
  • 1954
Greatest snowfall (1940-2005)
  • 0.9 cm0.35 inches
  • 1980
Most snow on the ground (1955-2005)
  • 0.0 cm0.0 inches
Monthly frequency of precipitation
  • 42 %

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.

15 October
Average high
  • 14.2°C57.6°F
Average low
  • 4.1°C39.4°F
Highest temperature (1940-2002)
  • 24.4°C75.9°F
  • 1947
Lowest temperature (1940-2002)
  • -2.2°C28.0°F
  • 1945
Greatest precipitation (1940-2002)
  • 56.9 mm2.24 inches
  • 1954
Greatest rainfall (1940-2002)
  • 56.9 mm2.24 inches
  • 1954
Greatest snowfall (1940-2005)
  • 1.0 cm0.39 inches
  • 1972
Most snow on the ground (1955-2005)
  • 0.0 cm0.0 inches
Monthly frequency of precipitation
  • 42 %

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.

16 October
Average high
  • 14.0°C57.2°F
Average low
  • 3.9°C39.0°F
Highest temperature (1940-2002)
  • 26.1°C79.0°F
  • 1963
Lowest temperature (1940-2002)
  • -3.5°C25.7°F
  • 1978
Greatest precipitation (1940-2005)
  • 22.8 mm0.9 inches
  • 1992
Greatest rainfall (1940-2005)
  • 22.8 mm0.9 inches
  • 1992
Greatest snowfall (1940-2005)
  • 7.1 cm2.8 inches
  • 1982
Most snow on the ground (1955-2005)
  • 0.0 cm0.0 inches
Monthly frequency of precipitation
  • 42 %

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.

17 October
Average high
  • 13.8°C56.8°F
Average low
  • 3.7°C38.7°F
Highest temperature (1940-2002)
  • 26.1°C79.0°F
  • 1963
Lowest temperature (1940-2002)
  • -4.7°C23.5°F
  • 1978
Greatest precipitation (1940-2002)
  • 41.4 mm1.63 inches
  • 1967
Greatest rainfall (1940-2002)
  • 41.4 mm1.63 inches
  • 1967
Greatest snowfall (1940-2005)
  • 15.7 cm6.18 inches
  • 1948
Most snow on the ground (1955-2005)
  • 0.0 cm0.0 inches
Monthly frequency of precipitation
  • 42 %

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.

18 October
Average high
  • 13.5°C56.3°F
Average low
  • 3.6°C38.5°F
Highest temperature (1940-2002)
  • 26.7°C80.1°F
  • 1963
Lowest temperature (1940-2002)
  • -6.1°C21.0°F
  • 1974
Greatest precipitation (1940-2005)
  • 48.4 mm1.91 inches
  • 1985
Greatest rainfall (1940-2005)
  • 48.4 mm1.91 inches
  • 1985
Greatest snowfall (1940-2005)
  • 1.2 cm0.47 inches
  • 1992
Most snow on the ground (1955-2005)
  • 3.0 cm1.18 inches
  • 1972
Monthly frequency of precipitation
  • 42 %

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.

19 October
Average high
  • 13.3°C55.9°F
Average low
  • 3.4°C38.1°F
Highest temperature (1940-2002)
  • 26.7°C80.1°F
  • 1953
Lowest temperature (1940-2002)
  • -6.7°C19.9°F
  • 1972
Greatest precipitation (1940-2002)
  • 16.6 mm0.65 inches
  • 1985
Greatest rainfall (1940-2002)
  • 16.6 mm0.65 inches
  • 1985
Greatest snowfall (1940-2005)
  • 3.4 cm1.34 inches
  • 1989
Most snow on the ground (1955-2005)
  • 1.0 cm0.39 inches
  • 1989
Monthly frequency of precipitation
  • 42 %

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.

20 October
Average high
  • 13.1°C55.6°F
Average low
  • 3.3°C37.9°F
Highest temperature (1940-2002)
  • 23.3°C73.9°F
  • 1953
Lowest temperature (1940-2002)
  • -7.2°C19.0°F
  • 1974
Greatest precipitation (1940-2005)
  • 10.8 mm0.43 inches
  • 1995
Greatest rainfall (1940-2005)
  • 10.8 mm0.43 inches
  • 1995
Greatest snowfall (1940-2005)
  • 4.8 cm1.89 inches
  • 1992
Most snow on the ground (1955-2005)
  • 0.0 cm0.0 inches
Monthly frequency of precipitation
  • 42 %

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.

21 October
Average high
  • 12.8°C55.0°F
Average low
  • 3.1°C37.6°F
Highest temperature (1940-2002)
  • 25.0°C77.0°F
  • 1947
Lowest temperature (1940-2002)
  • -3.9°C25.0°F
  • 1952
Greatest precipitation (1940-2005)
  • 38.6 mm1.52 inches
  • 1965
Greatest rainfall (1940-2005)
  • 38.6 mm1.52 inches
  • 1965
Greatest snowfall (1940-2005)
  • 2.2 cm0.87 inches
  • 1997
Most snow on the ground (1955-2005)
  • 0.0 cm0.0 inches
Monthly frequency of precipitation
  • 42 %

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:
17.4 °C63.3 °F
Min:
13.5 °C56.3 °F
Total Precipitation:
22.4 mm0.88 in

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