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St. Marys, Ontario

32°F
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32°
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St. Marys, Ontario Weather
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Winter Center
Today WinterCast Hourly Daily Radar MinuteCast® Monthly Air Quality Health & Activities
Thursday, December 18

Day

12/18
42°Hi
RealFeel® 24°
Very Cold
RealFeel Guide
Very Cold
10° to 24°
Caution advised. Older adults, infants, and those with sensitive medical conditions, should be well dressed to protect from hypothermia and frostbite. Coat, hat, gloves and a scarf are appropriate.
LEARN MORE
RealFeel Shade™ 24°
Very Cold
RealFeel Guide
Very Cold
10° to 24°
Caution advised. Older adults, infants, and those with sensitive medical conditions, should be well dressed to protect from hypothermia and frostbite. Coat, hat, gloves and a scarf are appropriate.
LEARN MORE
Winds gusting past 40 mph; cloudy with a touch of rain in the afternoon; winds will be locally damaging

Max UV Index1.0 (Low)

AccuLumen Brightness Index™1 (Dark)

WindS 27 mph

Wind Gusts52 mph

Probability of Precipitation55%

Probability of Thunderstorms0%

Precipitation0.02 in

Rain0.02 in

Hours of Precipitation1

Hours of Rain1

Cloud Cover96%

Morning

Afternoon

Night

12/18
27°Lo
RealFeel® 17°
Very Cold
RealFeel Guide
Very Cold
10° to 24°
Caution advised. Older adults, infants, and those with sensitive medical conditions, should be well dressed to protect from hypothermia and frostbite. Coat, hat, gloves and a scarf are appropriate.
LEARN MORE
Strong winds subsiding; periods of rain in the evening followed by a couple of showers of rain or snow late

WindSW 18 mph

Wind Gusts45 mph

Probability of Precipitation96%

Probability of Thunderstorms0%

Precipitation0.47 in

Rain0.47 in

Hours of Precipitation6.5

Hours of Rain5.5

Cloud Cover97%

Evening

Overnight

Sun & Moon

8 hrs 59 mins
Rise 7:51 AM
Set 4:50 PM
Waning Crescent
Rise 6:58 AM
Set 3:22 PM

Temperature History

12/18
High
Low
Forecast
42°
27°
Average
31°
20°
Last Year
36°
31°
Record
47°
1967
-4°
1973

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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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