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St. Marys, Ontario

64°F
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St. Marys, Ontario Weather
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Winter Center
Today Hourly Daily Radar MinuteCast Monthly Air Quality Health & Activities
Sunday, June 22

Day

6/22
92°Hi
RealFeel® 98°
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
RealFeel Shade™ 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
Partly sunny; breezy, very warm with the temperature breaking the record of 88 last reached in 2024 and humid

Max UV Index10 (Very High)

AccuLumen Brightness Index™9 (Very Bright)

WindWSW 15 mph

Wind Gusts31 mph

Probability of Precipitation4%

Probability of Thunderstorms1%

Precipitation0.00 in

Cloud Cover26%

Morning

Afternoon

Night

6/22
71°Lo
RealFeel® 73°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
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Clear, very warm and humid

WindSW 7 mph

Wind Gusts18 mph

Probability of Precipitation0%

Probability of Thunderstorms0%

Precipitation0.00 in

Cloud Cover5%

Evening

Overnight

Sun & Moon

15 hrs 24 mins
Rise 5:44 AM
Set 9:08 PM
Waning Crescent
Rise 2:52 AM
Set 6:32 PM

Temperature History

6/22
High
Low
Forecast
92°
71°
Average
75°
54°
Last Year
88°
69°
Record
88°
2024
34°
1992

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World North America Canada Ontario St. Marys

Weather Near St. Marys:

  • Brampton, Ontario
  • Mississauga Valley, Ontario
  • Toronto, Ontario
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