Hourly Weather Forecast - St. Marys, Ontario, CA

10 AM
47°F
50%
23mph
SSW
50% Chance of Light Rain
Humidity
89%
Feels like
40°F
Dew Point
44°F
11 AM
45°F
70%
24mph
SW
70% Chance of Light Rain
Humidity
86%
Feels like
36°F
Dew Point
41°F
12 PM
42°F
30%
24mph
SW
30% Chance of Light Rain
Humidity
76%
Feels like
33°F
Dew Point
35°F
1 PM
40°F
10%
25mph
SW
Windy
Humidity
68%
Feels like
30°F
Dew Point
31°F
2 PM
39°F
10%
25mph
SW
Windy
Humidity
65%
Feels like
28°F
Dew Point
28°F
3 PM
37°F
10%
25mph
SW
Windy
Humidity
64%
Feels like
26°F
Dew Point
26°F
4 PM
36°F
10%
24mph
SW
Windy
Humidity
61%
Feels like
24°F
Dew Point
24°F
5 PM
34°F
10%
24mph
SW
Windy
Humidity
60%
Feels like
22°F
Dew Point
22°F
6 PM
32°F
30%
22mph
SW
30% Chance of Heavy Snow
Humidity
59%
Feels like
20°F
Dew Point
19°F
7 PM
29°F
30%
22mph
WSW
30% Chance of Heavy Snow
Humidity
63%
Feels like
16°F
Dew Point
19°F
7:31 PM
8 PM
27°F
30%
22mph
WSW
30 % Chance of Heavy Snow
Humidity
64%
Feels like
13°F
Dew Point
16°F
9 PM
24°F
30%
23mph
WSW
30% Chance of Snow
Humidity
70%
Feels like
8°F
Dew Point
15°F
10 PM
21°F
30%
25mph
W
30 % Chance of Heavy Snow
Humidity
69%
Feels like
4°F
Dew Point
13°F
11 PM
19°F
30%
26mph
W
30% Chance of Snow
Humidity
67%
Feels like
1°F
Dew Point
10°F

Today's Severe Weather Outlook

Dangerous Storms Take Aim At The Eastern U.S.

After more than 400 reports of severe weather on Sunday, a greater risk of dangerous thunderstorms exists today.

Snow and Ice Forecast Through Tuesday Evening

Snow, High Winds Plague Great Lakes With Blizzard Conditions

Today's Weather Outlook

Today's Weather Outlook

A tree knocked over after a storm produced high winds. (provided by PublicDomainPictures via Pixabay.com)

Strong Winds in the Springtime

Weekly Drought Map for March 12, 2026

Widespread Drought Improvement For The South, Midwest

Blizzard: Its True Definition

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