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St. Thomas, Ontario

82°F
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St. Thomas, Ontario Weather
Today WinterCast Local {stormName} Tracker Hourly Daily Radar MinuteCast Monthly Air Quality Health & Activities

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Today

Hourly

 Daily Radar MinuteCast Monthly Air Quality Health & Activities

11 AM

82°
RealFeel® 93°
Hot
RealFeel Guide
Hot
90° to 100°
Caution advised. Possible danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
rain drop 0%
Chevron down
Mostly sunny
alerts

Heat Warning

10:28 AM Saturday - 6:00 AM Friday

RealFeel Shade™87°

WindS 12 mph

Air QualityFair

Max UV Index7 (High)

Wind Gusts18 mph

Humidity75%

Indoor Humidity75% (Extremely Humid)

Dew Point74° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover27%

Visibility10 mi

Cloud Ceiling33400 ft

12 PM

84°
RealFeel® 94°
Hot
RealFeel Guide
Hot
90° to 100°
Caution advised. Possible danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
rain drop 0%
Chevron down
Partly sunny
alerts

Heat Warning

10:28 AM Saturday - 6:00 AM Friday

RealFeel Shade™87°

WindS 13 mph

Air QualityFair

Max UV Index9 (Very High)

Wind Gusts20 mph

Humidity69%

Indoor Humidity69% (Extremely Humid)

Dew Point73° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover46%

Visibility10 mi

Cloud Ceiling30000 ft

1 PM

85°
RealFeel® 95°
Hot
RealFeel Guide
Hot
90° to 100°
Caution advised. Possible danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
rain drop 2%
Chevron down
Partly sunny
alerts

Heat Warning

10:28 AM Saturday - 6:00 AM Friday

RealFeel Shade™87°

WindSSW 14 mph

Air QualityFair

Max UV Index10 (Very High)

Wind Gusts21 mph

Humidity63%

Indoor Humidity63% (Extremely Humid)

Dew Point72° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover46%

Visibility10 mi

Cloud Ceiling30000 ft

2 PM

86°
RealFeel® 95°
Hot
RealFeel Guide
Hot
90° to 100°
Caution advised. Possible danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
rain drop 14%
Chevron down
Partly sunny
alerts

Heat Warning

10:28 AM Saturday - 6:00 AM Friday

RealFeel Shade™88°

WindSSW 14 mph

Air QualityFair

Max UV Index9 (Very High)

Wind Gusts21 mph

Humidity61%

Indoor Humidity61% (Very Humid)

Dew Point71° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover46%

Visibility10 mi

Cloud Ceiling30000 ft

3 PM

88°
RealFeel® 95°
Hot
RealFeel Guide
Hot
90° to 100°
Caution advised. Possible danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
rain drop 14%
Chevron down
Partly sunny
alerts

Heat Warning

10:28 AM Saturday - 6:00 AM Friday

RealFeel Shade™89°

WindSSW 14 mph

Air QualityPoor

Max UV Index7 (High)

Wind Gusts22 mph

Humidity58%

Indoor Humidity58% (Very Humid)

Dew Point71° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover46%

Visibility10 mi

Cloud Ceiling30000 ft

4 PM

87°
RealFeel® 93°
Hot
RealFeel Guide
Hot
90° to 100°
Caution advised. Possible danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
rain drop 18%
Chevron down
Partly sunny
alerts

Heat Warning

10:28 AM Saturday - 6:00 AM Friday

RealFeel Shade™88°

WindSSW 14 mph

Air QualityPoor

Max UV Index5 (Moderate)

Wind Gusts22 mph

Humidity59%

Indoor Humidity59% (Very Humid)

Dew Point71° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover46%

Visibility10 mi

Cloud Ceiling30000 ft

5 PM

86°
RealFeel® 91°
Hot
RealFeel Guide
Hot
90° to 100°
Caution advised. Possible danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
rain drop 47%
Chevron down
Partly sunny
alerts

Heat Warning

10:28 AM Saturday - 6:00 AM Friday

RealFeel Shade™88°

WindSSW 14 mph

Air QualityPoor

Max UV Index3 (Moderate)

Wind Gusts21 mph

Humidity60%

Indoor Humidity60% (Very Humid)

Dew Point71° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover46%

Visibility10 mi

Cloud Ceiling30000 ft

6 PM

84°
RealFeel® 85°
Very Warm
RealFeel Guide
Very Warm
82° to 89°
Older adults, infants, and those with sensitive medical conditions should minimize outdoor activity, especially in the sunshine.
LEARN MORE
rain drop 51%
Chevron down
Partly sunny w/ t-storms
alerts

Heat Warning

10:28 AM Saturday - 6:00 AM Friday

RealFeel Shade™83°

WindSSW 13 mph

Air QualityFair

Max UV Index2 (Low)

Wind Gusts20 mph

Humidity66%

Indoor Humidity66% (Extremely Humid)

Dew Point72° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover46%

Rain0.04 in

Visibility6 mi

Cloud Ceiling30000 ft

7 PM

82°
RealFeel® 85°
Very Warm
RealFeel Guide
Very Warm
82° to 89°
Older adults, infants, and those with sensitive medical conditions should minimize outdoor activity, especially in the sunshine.
LEARN MORE
rain drop 47%
Chevron down
Partly sunny
alerts

Heat Warning

10:28 AM Saturday - 6:00 AM Friday

RealFeel Shade™84°

WindSSW 12 mph

Air QualityFair

Max UV Index1 (Low)

Wind Gusts18 mph

Humidity69%

Indoor Humidity69% (Very Humid)

Dew Point71° F

AccuLumen Brightness Index™7 (Bright)

Cloud Cover46%

Visibility10 mi

Cloud Ceiling30000 ft

8 PM

81°
RealFeel® 84°
Very Warm
RealFeel Guide
Very Warm
82° to 89°
Older adults, infants, and those with sensitive medical conditions should minimize outdoor activity, especially in the sunshine.
LEARN MORE
rain drop 47%
Chevron down
Mostly sunny
alerts

Heat Warning

10:28 AM Saturday - 6:00 AM Friday

RealFeel Shade™84°

WindS 10 mph

Air QualityFair

Max UV Index0 (Low)

Wind Gusts17 mph

Humidity72%

Indoor Humidity72% (Very Humid)

Dew Point71° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover25%

Visibility10 mi

Cloud Ceiling30000 ft

9 PM

80°
RealFeel® 80°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 51%
Chevron down
Partly sunny w/ t-storms
alerts

Heat Warning

10:28 AM Saturday - 6:00 AM Friday

RealFeel Shade™80°

WindSSW 9 mph

Air QualityFair

Max UV Index0 (Low)

Wind Gusts16 mph

Humidity78%

Indoor Humidity78% (Extremely Humid)

Dew Point72° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover25%

Rain0.04 in

Visibility7 mi

Cloud Ceiling30000 ft

10 PM

78°
RealFeel® 82°
Very Warm
RealFeel Guide
Very Warm
82° to 89°
Older adults, infants, and those with sensitive medical conditions should minimize outdoor activity, especially in the sunshine.
LEARN MORE
rain drop 47%
Chevron down
Mostly clear
alerts

Heat Warning

10:28 AM Saturday - 6:00 AM Friday

WindSSW 8 mph

Air QualityFair

Wind Gusts16 mph

Humidity81%

Indoor Humidity81% (Extremely Humid)

Dew Point72° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover25%

Visibility10 mi

Cloud Ceiling30000 ft

11 PM

76°
RealFeel® 80°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 28%
Chevron down
Mostly clear
alerts

Heat Warning

10:28 AM Saturday - 6:00 AM Friday

WindSSW 7 mph

Air QualityFair

Wind Gusts16 mph

Humidity87%

Indoor Humidity87% (Extremely Humid)

Dew Point72° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover25%

Visibility10 mi

Cloud Ceiling30000 ft

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Weather Near St. Thomas:

  • Cleveland, OH
  • Hamilton, Ontario
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