Hourly Weather Forecast - St. Marys, Ontario, CA

9 AM
28°F
40%
25mph
E
40% Chance Frozen Mix
Humidity
92%
Feels like
13°F
Dew Point
26°F
10 AM
29°F
70%
26mph
ESE
70% Chance Frozen Mix
Humidity
89%
Feels like
14°F
Dew Point
26°F
11 AM
31°F
30%
26mph
ESE
30% Chance Freezing Rain
Humidity
85%
Feels like
17°F
Dew Point
27°F
12 PM
33°F
10%
25mph
ESE
Windy
Humidity
79%
Feels like
20°F
Dew Point
27°F
1 PM
35°F
10%
22mph
ESE
Windy
Humidity
73%
Feels like
24°F
Dew Point
28°F
2 PM
38°F
0%
21mph
ESE
Windy
Humidity
71%
Feels like
27°F
Dew Point
29°F
3 PM
40°F
10%
21mph
ESE
Windy
Humidity
70%
Feels like
30°F
Dew Point
31°F
4 PM
42°F
10%
20mph
ESE
Mostly Cloudy
Humidity
66%
Feels like
32°F
Dew Point
31°F
5 PM
43°F
0%
20mph
SE
Mostly Cloudy
Humidity
63%
Feels like
35°F
Dew Point
32°F
6 PM
45°F
0%
20mph
SE
Windy
Humidity
62%
Feels like
36°F
Dew Point
32°F
7 PM
46°F
0%
21mph
SE
Windy
Humidity
65%
Feels like
38°F
Dew Point
35°F
7:30 PM
8 PM
47°F
0%
23mph
SSE
Windy
Humidity
65%
Feels like
39°F
Dew Point
36°F
9 PM
48°F
0%
25mph
SSE
Windy
Humidity
66%
Feels like
40°F
Dew Point
37°F
10 PM
48°F
0%
27mph
SSE
Windy
Humidity
69%
Feels like
40°F
Dew Point
39°F
11 PM
49°F
0%
27mph
SSE
Windy
Humidity
72%
Feels like
41°F
Dew Point
40°F

Snowfall Forecast Through Monday Night

Major Winter Storm Afflicts Midwest, Great Lakes

A burgeoning winter storm in the central Plains is on track to bring impactful snow or winds to the eastern two-thirds of the nation through Monday.

Sunday's Severe Weather Outlook

Intense Severe Storms Malign Plains, East Coast

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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