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St. Marys, Ontario

66°F
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St. Marys

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66°
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St. Marys, Ontario Weather
Today WinterCast Local {stormName} Tracker Hourly 10-Day Radar MinuteCast® Monthly Air Quality Health & Activities

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Winter Center

Today Hourly 10-Day Radar MinuteCast® Monthly Air Quality Health & Activities
Monday, October 12

Current Weather

3:06 PM

66°F
Partly sunny
RealFeel® 68°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
RealFeel Shade™ 65°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
RealFeel®
68°
RealFeel Shade™
65°
Max UV Index
2.0 (Low)
Wind
SW 7 mph
Wind Gusts
13 mph
Humidity
90%
Indoor Humidity
85% (Humid)
Dew Point
63° F
Pressure
↔ 29.81 in
Cloud Cover
33%
Visibility
9 mi
Cloud Ceiling
30000 ft

Day

10/12
68°Hi
RealFeel® 68°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
RealFeel Shade™ 67°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
Warmer with a blend of sun and clouds

Max UV Index4.0 (Moderate)

AccuLumen Brightness Index™5 (Medium)

WindSW 10 mph

Wind Gusts20 mph

Probability of Precipitation70%

Probability of Thunderstorms14%

Precipitation0.02 in

Rain Amount0.02 in

Total Hours of Precipitation0.5

Total Hours of Rain0.5

Cloud Cover67%

Morning

Afternoon

Night

10/12
62°Lo
RealFeel® 57°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
Mostly cloudy and warm; a couple of evening showers followed by periods of rain late

WindSSW 7 mph

Wind Gusts18 mph

Probability of Precipitation96%

Probability of Thunderstorms23%

Precipitation0.16 in

Rain Amount0.16 in

Total Hours of Precipitation2.5

Total Hours of Rain2.5

Cloud Cover82%

Evening

Overnight

Sun & Moon

11 hrs 12 mins
Rise 7:34 AM
Set 6:46 PM
Waxing Crescent
Rise 9:52 AM
Set 7:20 PM

Temperature History

10/12
High
Low
Forecast
68°
62°
Average
57°
41°
Last Year
68°
49°
Record
77°
1995
30°
1964

Current Weather Conditions in St. Marys

St. Marys, Ontario is currently Partly sunny with a temperature of 66°. The current RealFeel® Temperature is 68° (Pleasant) based on observed conditions including 90% humidity, 33% cloud cover, a UV index of 2, and winds of 7 mph. In shade, the RealFeel Shade™ is 65°. AccuWeather's MinuteCast® provides minute-by-minute precipitation forecasts for St. Marys, powered by forecasting systems and proprietary technology developed by AccuWeather meteorologists since 1962.

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Weather Near St. Marys:

  • Brampton, Ontario
  • Mississauga Valley, Ontario
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