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St. Marys, Ontario

26°F
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St. Marys

Ontario

26°
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St. Marys, Ontario Weather
Today WinterCast Local {stormName} Tracker Hourly Daily Radar MinuteCast® Monthly Air Quality Health & Activities

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February 28 - March 29

Sat 2/28

28° /9°
12%

WinterCast

A coating to an inch

Sat, 2/28, 9:00 PM - Sun, 3/1, 5:00 AM

Snow

Breezy and colder with increasing cloudiness

RealFeel®20°

RealFeel Shade™19°

Max UV Index4.0 (Moderate)

WindNW 14 mph

Sun 3/1

17° /2°
2%
Low clouds and very cold

RealFeel®3°

RealFeel Shade™3°

Max UV Index1.0 (Low)

WindNNW 12 mph

Mon 3/2

26° /16°
0%
Sunny to partly cloudy and not as cold

RealFeel®20°

RealFeel Shade™16°

Max UV Index4.0 (Moderate)

WindSSE 8 mph

Tue 3/3

34° /26°
94%

WinterCast

Little to no accumulation

Tue, 3/3, 10:00 AM - Tue, 3/3, 12:00 PM

Snow

0.15 - 0.25 in

Tue, 3/3, 10:00 AM - Tue, 3/3, 6:00 PM

Ice

Periods of snow, sleet, and freezing rain in the morning, then rain freezing on some surfaces in the afternoon

RealFeel®30°

RealFeel Shade™30°

Max UV Index1.0 (Low)

WindESE 7 mph

Wed 3/4

38° /28°
1%
Mostly cloudy

RealFeel®43°

RealFeel Shade™40°

Max UV Index2.0 (Low)

WindNE 4 mph

Thu 3/5

38° /30°
63%
Mostly cloudy, becoming breezy in the afternoon with occasional rain

RealFeel®29°

RealFeel Shade™29°

Max UV Index1.0 (Low)

WindE 14 mph

Fri 3/6

45° /40°
66%
Periods of rain and freezing rain in the morning; otherwise, low clouds

RealFeel®37°

RealFeel Shade™37°

Max UV Index1.0 (Low)

WindSE 8 mph

Sat 3/7

45° /32°
2%
Considerable cloudiness

RealFeel®46°

RealFeel Shade™46°

Max UV Index1.0 (Low)

WindNW 6 mph

Sun 3/8

47° /37°
61%
Periods of rain

RealFeel®41°

RealFeel Shade™41°

Max UV Index1.0 (Low)

WindESE 8 mph

Mon 3/9

56° /44°
25%
Low clouds

RealFeel®52°

RealFeel Shade™52°

Max UV Index1.0 (Low)

WindSSW 9 mph

Tue 3/10

51° /40°
65%
Periods of rain and a thunderstorm

RealFeel®43°

RealFeel Shade™43°

Max UV Index1.0 (Low)

WindSSW 15 mph

Wed 3/11

48° /32°
55%
A little rain in the morning; otherwise, mostly cloudy

RealFeel®47°

RealFeel Shade™43°

Max UV Index4.0 (Moderate)

WindNW 10 mph

Thu 3/12

46° /32°
0%
Partly sunny

RealFeel®47°

RealFeel Shade™43°

Max UV Index4.0 (Moderate)

WindSW 6 mph

Fri 3/13

43° /20°
57%
Considerable clouds; a morning shower in spots followed by a little rain in the afternoon

RealFeel®39°

RealFeel Shade™39°

Max UV Index2.0 (Low)

WindSE 8 mph

Sat 3/14

43° /29°
25%
Periods of clouds and sunshine

RealFeel®37°

RealFeel Shade™36°

Max UV Index3.0 (Moderate)

WindS 10 mph

Sun 3/15

45° /29°
64%
Rain and freezing rain in the morning; windy with considerable cloudiness

RealFeel®36°

RealFeel Shade™34°

Max UV Index2.0 (Low)

WindSSW 20 mph

Mon 3/16

43° /25°
71%
A thick cloud cover with a couple of showers, then a steadier rain

RealFeel®31°

RealFeel Shade™31°

Max UV Index1.0 (Low)

WindWSW 14 mph

Tue 3/17

43° /15°
55%
Considerable cloudiness; a bit of snow in the morning followed by a shower in spots in the afternoon

RealFeel®31°

RealFeel Shade™31°

Max UV Index1.0 (Low)

WindWNW 18 mph

Wed 3/18

29° /14°
55%
Remaining cloudy and colder with a bit of snow

RealFeel®17°

RealFeel Shade™17°

Max UV Index1.0 (Low)

WindNW 15 mph

Thu 3/19

28° /15°
25%
Clouds yielding to sun

RealFeel®23°

RealFeel Shade™20°

Max UV Index1.0 (Low)

WindWNW 10 mph

Fri 3/20

31° /27°
20%
Sunny to partly cloudy

RealFeel®27°

RealFeel Shade™24°

Max UV Index5.0 (Moderate)

WindSW 10 mph

Sat 3/21

44° /30°
25%
Cloudy and not as cold

RealFeel®41°

RealFeel Shade™41°

Max UV Index1.0 (Low)

WindSSW 7 mph

Sun 3/22

43° /22°
76%
Cloudy; a passing shower in the morning followed by rain in the afternoon

RealFeel®32°

RealFeel Shade™32°

Max UV Index1.0 (Low)

WindSSW 13 mph

Mon 3/23

45° /22°
55%
Cloudy and windy; a bit of morning snow followed by a shower in spots in the afternoon

RealFeel®34°

RealFeel Shade™34°

Max UV Index1.0 (Low)

WindWNW 20 mph

Tue 3/24

34° /26°
65%
Colder with snow at times

RealFeel®28°

RealFeel Shade™28°

Max UV Index1.0 (Low)

WindSSW 7 mph

Wed 3/25

36° /25°
20%
More sunshine than clouds

RealFeel®43°

RealFeel Shade™32°

Max UV Index5.0 (Moderate)

WindWNW 6 mph

Thu 3/26

44° /30°
5%
Plenty of sun

RealFeel®45°

RealFeel Shade™39°

Max UV Index5.0 (Moderate)

WindSSW 7 mph

Fri 3/27

49° /32°
25%
Considerable cloudiness

RealFeel®44°

RealFeel Shade™44°

Max UV Index1.0 (Low)

WindS 8 mph

Sat 3/28

49° /34°
57%
A little rain in the morning; otherwise, cloudy

RealFeel®40°

RealFeel Shade™38°

Max UV Index1.0 (Low)

WindSSW 16 mph

Sun 3/29

51° /33°
20%
Partly sunny

RealFeel®45°

RealFeel Shade™42°

Max UV Index5.0 (Moderate)

WindW 15 mph

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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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