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St. Thomas, Ontario

69°F
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St. Thomas

Ontario

69°
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St. Thomas, Ontario Weather
Today WinterCast Local {stormName} Tracker Hourly 10-Day Radar MinuteCast® Monthly Air Quality Health & Activities

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4 PM

67°
RealFeel® 66°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
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rain drop 27%
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Cloudy
alerts

Special Weather Statement

4:00 PM Wednesday - 1:00 AM Thursday

RealFeel Shade™64°

WindSSW 13 mph

Air QualityFair

Max UV Index2.2 (Low)

Wind Gusts28 mph

Humidity66%

Indoor Humidity65% (Slightly Humid)

Dew Point56° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover97%

Visibility10 mi

Cloud Ceiling24000 ft

5 PM

67°
RealFeel® 64°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 49%
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Showers
alerts

Special Weather Statement

4:00 PM Wednesday - 1:00 AM Thursday

RealFeel Shade™62°

WindSSW 12 mph

Air QualityFair

Max UV Index1.2 (Low)

Wind Gusts28 mph

Humidity67%

Indoor Humidity64% (Slightly Humid)

Dew Point56° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover99%

Visibility10 mi

Cloud Ceiling18600 ft

6 PM

65°
RealFeel® 60°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 56%
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Showers
alerts

Special Weather Statement

4:00 PM Wednesday - 1:00 AM Thursday

RealFeel Shade™60°

WindS 10 mph

Air QualityFair

Max UV Index0.6 (Low)

Wind Gusts25 mph

Humidity71%

Indoor Humidity64% (Slightly Humid)

Dew Point56° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover94%

Rain0.03 in

Visibility7 mi

Cloud Ceiling4000 ft

7 PM

63°
RealFeel® 60°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 49%
Chevron down
Cloudy
alerts

Special Weather Statement

4:00 PM Wednesday - 1:00 AM Thursday

RealFeel Shade™60°

WindSE 10 mph

Air QualityFair

Max UV Index0.5 (Low)

Wind Gusts24 mph

Humidity76%

Indoor Humidity64% (Ideal Humidity)

Dew Point55° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover94%

Visibility10 mi

Cloud Ceiling9800 ft

8 PM

64°
RealFeel® 57°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 75%
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Rain
alerts

Special Weather Statement

4:00 PM Wednesday - 1:00 AM Thursday

RealFeel Shade™57°

WindESE 12 mph

Air QualityFair

Max UV Index0.1 (Low)

Wind Gusts24 mph

Humidity74%

Indoor Humidity65% (Slightly Humid)

Dew Point56° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover100%

Rain0.13 in

Visibility4 mi

Cloud Ceiling2000 ft

9 PM

63°
RealFeel® 54°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 75%
Chevron down
Rain
alerts

Special Weather Statement

4:00 PM Wednesday - 1:00 AM Thursday

RealFeel Shade™54°

WindESE 14 mph

Air QualityFair

Max UV Index0.0 (Low)

Wind Gusts24 mph

Humidity79%

Indoor Humidity66% (Slightly Humid)

Dew Point56° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover99%

Rain0.13 in

Visibility4 mi

Cloud Ceiling2000 ft

10 PM

62°
RealFeel® 56°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 49%
Chevron down
Cloudy
alerts

Special Weather Statement

4:00 PM Wednesday - 1:00 AM Thursday

WindSE 18 mph

Air QualityFair

Wind Gusts24 mph

Humidity86%

Indoor Humidity70% (Slightly Humid)

Dew Point58° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover99%

Visibility10 mi

Cloud Ceiling6200 ft

11 PM

62°
RealFeel® 51°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 71%
Chevron down
Rain
alerts

Special Weather Statement

4:00 PM Wednesday - 1:00 AM Thursday

WindSE 21 mph

Air QualityFair

Wind Gusts25 mph

Humidity92%

Indoor Humidity73% (Slightly Humid)

Dew Point59° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover99%

Rain0.13 in

Visibility4 mi

Cloud Ceiling2000 ft

Hourly Weather Forecast for St. Thomas

AccuWeather's hourly forecast for St. Thomas provides hour-by-hour temperatures, RealFeel® Temperature, and precipitation probability through the next 10 days. The current hour shows 67° with a RealFeel® of 66°, cloudy with a 27% chance of precipitation. Each hourly forecast includes wind speed, humidity, air quality, UV index, and the AccuLumen Brightness Index™, AccuWeather's measure of perceived outdoor light intensity. Forecasts are generated by proprietary systems developed by AccuWeather meteorologists since 1962.

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