Language selection

Government of Canada / Gouvernement du Canada

Search

My Weather Profile Weather Topics  | 

St. Thomas, ON

Current Conditions

Mainly Clear

Mainly Clear

4°C39°F

Wind:
ENE 5 km/h
ENE 3 mph
More details
Temperature:
3.6°C
38.5° F
Pressure:
102.5 kPa
30.3 inches
Dew point:
2.2°C
36.0°F
Visibility:
24 km
15 miles
Humidity:
91%
Date:
3:00 AM EDT Tuesday 4 October 2022
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 EDT Monday 3 October 2022

Detailed ForecastForecast issued: 3:30 PM EDT Monday 3 October 2022

Clear
Tonight
2°C36°F
Clear. Low plus 2 with risk of frost.
Sunny
Tue, 4 Oct
21°C70°F
Sunny. High 21. UV index 5 or moderate.
Night:  Clear. Low plus 5.
Sunny
Wed, 5 Oct
21°C70°F
Sunny. High 21.
Night:  Cloudy periods. Low 11.
A mix of sun and cloud
Thu, 6 Oct
20°C68°F
A mix of sun and cloud. High 20.
Night:  Cloudy periods with 60 percent chance of showers. Low 6.
Chance of showers
Fri, 7 Oct
11°C52°F
A mix of sun and cloud with 40 percent chance of showers. High 11.
Night:  Cloudy periods. Low plus 2.
Sunny
Sat, 8 Oct
12°C54°F
Sunny. High 12.
Night:  Clear. Low plus 2.
Sunny
Sun, 9 Oct
14°C57°F
Sunny. High 14.
Normals:
Max 17°C.63°F. Min 8°C.46°F.
Sunrise:
7:25 EDT
Sunset:
19:02 EDT

Averages and extremes

29 September
Average high
  • 18.1°C64.6°F
Average low
  • 7.1°C44.8°F
Highest temperature (1940-2002)
  • 25.2°C77.4°F
  • 1995
Lowest temperature (1940-2002)
  • -2.2°C28.0°F
  • 1942
Greatest precipitation (1940-2002)
  • 89.1 mm3.51 inches
  • 1986
Greatest rainfall (1940-2002)
  • 89.1 mm3.51 inches
  • 1986
Greatest snowfall (1940-2002)
  • 0.0 cm0.0 inches
Most snow on the ground (1955-2002)
  • 0.0 cm0.0 inches
Monthly frequency of precipitation
  • 40 %

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 September
Average high
  • 17.9°C64.2°F
Average low
  • 6.9°C44.4°F
Highest temperature (1940-2002)
  • 25.3°C77.5°F
  • 2002
Lowest temperature (1940-2002)
  • -1.9°C28.6°F
  • 1993
Greatest precipitation (1940-2002)
  • 33.8 mm1.33 inches
  • 1945
Greatest rainfall (1940-2002)
  • 33.8 mm1.33 inches
  • 1945
Greatest snowfall (1940-2002)
  • 0.0 cm0.0 inches
Most snow on the ground (1955-2002)
  • 0.0 cm0.0 inches
Monthly frequency of precipitation
  • 40 %

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 October
Average high
  • 17.6°C63.7°F
Average low
  • 6.7°C44.1°F
Highest temperature (1940-2002)
  • 28.1°C82.6°F
  • 2002
Lowest temperature (1940-2002)
  • -2.2°C28.0°F
  • 1947
Greatest precipitation (1940-2005)
  • 39.9 mm1.57 inches
  • 1945
Greatest rainfall (1940-2005)
  • 39.9 mm1.57 inches
  • 1945
Greatest snowfall (1940-2005)
  • 0.0 cm0.0 inches
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.

02 October
Average high
  • 17.4°C63.3°F
Average low
  • 6.5°C43.7°F
Highest temperature (1940-2002)
  • 28.9°C84.0°F
  • 1971
Lowest temperature (1940-2002)
  • -1.7°C28.9°F
  • 1974
Greatest precipitation (1940-2005)
  • 23.4 mm0.92 inches
  • 1969
Greatest rainfall (1940-2005)
  • 23.4 mm0.92 inches
  • 1969
Greatest snowfall (1940-2005)
  • 0.3 cm0.12 inches
  • 1945
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.

03 October
Average high
  • 17.1°C62.8°F
Average low
  • 6.3°C43.3°F
Highest temperature (1940-2002)
  • 27.8°C82.0°F
  • 1971
Lowest temperature (1940-2002)
  • -2.2°C28.0°F
  • 1974
Greatest precipitation (1940-2005)
  • 46.2 mm1.82 inches
  • 1954
Greatest rainfall (1940-2005)
  • 46.2 mm1.82 inches
  • 1954
Greatest snowfall (1940-2005)
  • 0.0 cm0.0 inches
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.

04 October
Average high
  • 16.9°C62.4°F
Average low
  • 6.1°C43.0°F
Highest temperature (1940-2002)
  • 27.2°C81.0°F
  • 1951
Lowest temperature (1940-2002)
  • -2.8°C27.0°F
  • 1974
Greatest precipitation (1940-2005)
  • 36.8 mm1.45 inches
  • 1968
Greatest rainfall (1940-2005)
  • 35.6 mm1.4 inches
  • 1968
Greatest snowfall (1940-2005)
  • 1.3 cm0.51 inches
  • 1968
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.

05 October
Average high
  • 16.6°C61.9°F
Average low
  • 5.9°C42.6°F
Highest temperature (1940-2002)
  • 28.9°C84.0°F
  • 1951
Lowest temperature (1940-2002)
  • -2.8°C27.0°F
  • 1965
Greatest precipitation (1940-2005)
  • 51.1 mm2.01 inches
  • 1955
Greatest rainfall (1940-2005)
  • 51.1 mm2.01 inches
  • 1955
Greatest snowfall (1940-2005)
  • 0.0 cm0.0 inches
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.

06 October
Average high
  • 16.4°C61.5°F
Average low
  • 5.7°C42.3°F
Highest temperature (1940-2002)
  • 30.0°C86.0°F
  • 1946
Lowest temperature (1940-2002)
  • -3.3°C26.1°F
  • 1958
Greatest precipitation (1940-2005)
  • 39.4 mm1.55 inches
  • 1959
Greatest rainfall (1940-2005)
  • 39.4 mm1.55 inches
  • 1959
Greatest snowfall (1940-2005)
  • 1.0 cm0.39 inches
  • 1964
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.

07 October
Average high
  • 16.2°C61.2°F
Average low
  • 5.5°C41.9°F
Highest temperature (1940-2002)
  • 28.9°C84.0°F
  • 1963
Lowest temperature (1940-2002)
  • -4.4°C24.1°F
  • 1964
Greatest precipitation (1940-2002)
  • 16.4 mm0.65 inches
  • 1998
Greatest rainfall (1940-2002)
  • 16.4 mm0.65 inches
  • 1998
Greatest snowfall (1940-2005)
  • 3.8 cm1.5 inches
  • 2001
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.

08 October
Average high
  • 15.9°C60.6°F
Average low
  • 5.3°C41.5°F
Highest temperature (1940-2002)
  • 25.6°C78.1°F
  • 1949
Lowest temperature (1940-2002)
  • -3.3°C26.1°F
  • 1953
Greatest precipitation (1940-2005)
  • 37.1 mm1.46 inches
  • 1977
Greatest rainfall (1940-2005)
  • 37.1 mm1.46 inches
  • 1977
Greatest snowfall (1940-2005)
  • 0.4 cm0.16 inches
  • 1989
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.

09 October
Average high
  • n/a
Average low
  • n/a
Highest temperature
  • n/a
Lowest temperature
n/a
Greatest precipitation
  • n/a
Greatest rainfall
  • n/a
Greatest snowfall
  • n/a
Most snow on the ground
  • n/a
Monthly frequency of precipitation
  • n/a

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:
2.1 °C35.8 °F
Total Precipitation:
0.0 mm0.00 in

Follow:

  • WeatherCAN app

Follow:

No endorsement of any products or services is expressed or implied.

Follow:

  • Get it on Google Play - Link to a resource that is not part of a Government of Canada Web site. For more information, read the Important Notices in the footer of this page.
  • Download on the App Store - Link to a resource that is not part of a Government of Canada Web site. For more information, read the Important Notices in the footer of this page.

No endorsement of any products or services is expressed or implied.

Print Instructions

City Page - Print Instructions

  1. Use the collapsible arrows at the top of each section to hide or unhide the sections that you want to print.
  2. Use your browser's print action to print the displayed content on one page. Don't forget to pick your preferred paper size.

NOTE: The print layout will differ slightly from the web page display.

Weather shortcuts


How to use
  • Add to shortcuts
    • Go to the desired page on the site, open the Weather shortcuts menu and click on the "Add to shortcuts" button
    • Page name will display in the "Add this page" window, the name can be changed by highlighting the text and entering the desired name.
    • Click on the "Save" button to add the link to the list
    • Click on the "X" button to close the panel
  • Delete a link
    • Click on the "Organize shortcuts" button
    • Select the link to delete
    • Click on the "Delete" button to remove the link from the list
    • Click on the "Close" button to save the change
  • Move a link up/down the list
    • Click on the "Organize shortcuts" button
    • Click and hold the link and move to new location in the list
    • Click on the "Close" button to save the change
  • Rename a link
    • Click on the "Organize shortcuts" button
    • Select the link to rename
    • Click on the "Rename" button and change the link name
    • Click the enter or tab key
    • Click on the "Close" button to save the change
  • Keyboard navigation
    • Use the Tab key to move to a button or link
    • Use the Enter key to click on buttons or links
    • Organize shortcuts navigation
      • Use the ↑ Up key to select the link above. If none are selected, it will select the first link
      • Use the ↓ Down key to select the link below. If none are selected, it will select the last link
      • Use the Page Up key to move a selection up in the list
      • Use the Page Down key to move a selection down in the list
  • Restore default list

    Warning: Clicking on the button below will remove all your customized links.

Customized Weather shortcuts

Save your customized list as a bookmark.

Copy/paste or click on the link below then when the page displays, you can bookmark the page using the web browser. Bookmarking your customized list will allow you to access it even if the local storage on your device is erased.

What we are doing

Weather Forecasts

Weather Alerts

Weather Resources

Feedback about this web site
Date modified: