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St. Thomas, Ontario

49°F
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St. Thomas

Ontario

49°
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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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Hourly

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8 AM

48°
RealFeel® 40°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 4%
Chevron down
Mostly cloudy

RealFeel Shade™40°

WindNNW 15 mph

Air QualityExcellent

Max UV Index0.9 (Low)

Wind Gusts28 mph

Humidity82%

Indoor Humidity40% (Ideal Humidity)

Dew Point43° F

AccuLumen Brightness Index™5 (Medium)

Cloud Cover76%

Visibility10 mi

Cloud Ceiling3400 ft

9 AM

50°
RealFeel® 43°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 1%
Chevron down
Intermittent clouds

RealFeel Shade™41°

WindNNW 15 mph

Air QualityExcellent

Max UV Index1.5 (Low)

Wind Gusts28 mph

Humidity76%

Indoor Humidity39% (Ideal Humidity)

Dew Point42° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling3400 ft

10 AM

52°
RealFeel® 50°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 1%
Chevron down
Intermittent clouds

RealFeel Shade™44°

WindNNW 15 mph

Air QualityExcellent

Max UV Index4.2 (Moderate)

Wind Gusts27 mph

Humidity70%

Indoor Humidity40% (Ideal Humidity)

Dew Point43° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover66%

Visibility10 mi

Cloud Ceiling30000 ft

11 AM

54°
RealFeel® 54°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 1%
Chevron down
Intermittent clouds

RealFeel Shade™47°

WindNNW 15 mph

Air QualityExcellent

Max UV Index6.6 (High)

Wind Gusts27 mph

Humidity62%

Indoor Humidity38% (Ideal Humidity)

Dew Point42° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover50%

Visibility10 mi

Cloud Ceiling30000 ft

12 PM

56°
RealFeel® 56°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 1%
Chevron down
Intermittent clouds

RealFeel Shade™49°

WindNNW 15 mph

Air QualityExcellent

Max UV Index7.0 (High)

Wind Gusts28 mph

Humidity56%

Indoor Humidity37% (Ideal Humidity)

Dew Point41° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover67%

Visibility10 mi

Cloud Ceiling24500 ft

1 PM

57°
RealFeel® 58°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 1%
Chevron down
Intermittent clouds

RealFeel Shade™50°

WindNW 16 mph

Air QualityExcellent

Max UV Index8.1 (Very High)

Wind Gusts30 mph

Humidity51%

Indoor Humidity35% (Slightly Dry)

Dew Point39° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling30000 ft

2 PM

58°
RealFeel® 60°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 0%
Chevron down
Intermittent clouds

RealFeel Shade™52°

WindNW 15 mph

Air QualityExcellent

Max UV Index7.4 (High)

Wind Gusts29 mph

Humidity46%

Indoor Humidity33% (Slightly Dry)

Dew Point38° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling30000 ft

3 PM

56°
RealFeel® 56°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 0%
Chevron down
Intermittent clouds

RealFeel Shade™50°

WindNW 15 mph

Air QualityExcellent

Max UV Index5.7 (High)

Wind Gusts28 mph

Humidity47%

Indoor Humidity31% (Slightly Dry)

Dew Point36° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling30000 ft

4 PM

54°
RealFeel® 52°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 0%
Chevron down
Intermittent clouds

RealFeel Shade™47°

WindNW 15 mph

Air QualityExcellent

Max UV Index3.9 (Moderate)

Wind Gusts28 mph

Humidity47%

Indoor Humidity43% (Slightly Dry)

Dew Point35° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling30000 ft

5 PM

53°
RealFeel® 48°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 0%
Chevron down
Intermittent clouds

RealFeel Shade™45°

WindNNW 15 mph

Air QualityExcellent

Max UV Index2.5 (Low)

Wind Gusts27 mph

Humidity48%

Indoor Humidity42% (Slightly Dry)

Dew Point34° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling24400 ft

6 PM

52°
RealFeel® 47°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 0%
Chevron down
Intermittent clouds

RealFeel Shade™45°

WindNNW 14 mph

Air QualityExcellent

Max UV Index1.8 (Low)

Wind Gusts25 mph

Humidity48%

Indoor Humidity42% (Slightly Dry)

Dew Point33° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling30000 ft

7 PM

51°
RealFeel® 45°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 0%
Chevron down
Intermittent clouds

RealFeel Shade™45°

WindNNW 13 mph

Air QualityExcellent

Max UV Index1.0 (Low)

Wind Gusts24 mph

Humidity50%

Indoor Humidity42% (Slightly Dry)

Dew Point33° F

AccuLumen Brightness Index™4 (Dull)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling30000 ft

8 PM

49°
RealFeel® 43°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 0%
Chevron down
Mostly sunny

RealFeel Shade™43°

WindNNW 10 mph

Air QualityExcellent

Max UV Index0.3 (Low)

Wind Gusts22 mph

Humidity55%

Indoor Humidity42% (Slightly Dry)

Dew Point33° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover25%

Visibility10 mi

Cloud Ceiling30000 ft

9 PM

48°
RealFeel® 42°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 0%
Chevron down
Mostly clear

WindNNW 10 mph

Air QualityExcellent

Wind Gusts20 mph

Humidity57%

Indoor Humidity42% (Slightly Dry)

Dew Point33° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover25%

Visibility10 mi

Cloud Ceiling30000 ft

10 PM

46°
RealFeel® 40°
Chilly
RealFeel Guide
Chilly
40° to 52°
Jacket or sweater is recommended.
LEARN MORE
rain drop 0%
Chevron down
Mostly clear

WindN 9 mph

Air QualityExcellent

Wind Gusts20 mph

Humidity60%

Indoor Humidity41% (Slightly Dry)

Dew Point33° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover25%

Visibility10 mi

Cloud Ceiling30000 ft

11 PM

45°
RealFeel® 39°
Cold
RealFeel Guide
Cold
25° to 39°
Coats and hats are appropriate, consider gloves and a scarf.
LEARN MORE
rain drop 0%
Chevron down
Mostly clear

WindN 9 mph

Air QualityExcellent

Wind Gusts20 mph

Humidity62%

Indoor Humidity41% (Slightly Dry)

Dew Point32° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover25%

Visibility10 mi

Cloud Ceiling30000 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 48° with a RealFeel® of 40°, mostly cloudy with a 4% 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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