Hourly Weather Forecast - St. Marys, Ontario, CA

12 AM
30°F
0%
2mph
ENE
Cloudy
Humidity
90%
Feels like
30°F
Dew Point
28°F
1 AM
30°F
0%
2mph
NE
Cloudy
Humidity
90%
Feels like
30°F
Dew Point
27°F
2 AM
29°F
0%
2mph
NNE
Cloudy
Humidity
89%
Feels like
29°F
Dew Point
27°F
3 AM
29°F
0%
3mph
N
Mostly Cloudy
Humidity
88%
Feels like
29°F
Dew Point
26°F
4 AM
29°F
0%
4mph
N
Mostly Cloudy
Humidity
87%
Feels like
25°F
Dew Point
26°F
5 AM
28°F
0%
4mph
NNE
Mostly Cloudy
Humidity
89%
Feels like
24°F
Dew Point
25°F
6 AM
27°F
0%
4mph
NE
Partly Cloudy
Humidity
92%
Feels like
23°F
Dew Point
25°F
6:56 AM
7 AM
27°F
0%
4mph
ENE
Partly Cloudy
Humidity
94%
Feels like
23°F
Dew Point
26°F
8 AM
29°F
0%
4mph
ENE
Hazy
Humidity
91%
Feels like
25°F
Dew Point
27°F
9 AM
32°F
0%
4mph
E
Sunny
Humidity
87%
Feels like
28°F
Dew Point
28°F
10 AM
34°F
0%
4mph
E
Sunny
Humidity
84%
Feels like
31°F
Dew Point
30°F
11 AM
37°F
0%
5mph
ESE
Sunny
Humidity
78%
Feels like
33°F
Dew Point
31°F
12 PM
40°F
0%
6mph
ESE
Sunny
Humidity
72%
Feels like
36°F
Dew Point
32°F
1 PM
42°F
0%
7mph
ESE
Sunny
Humidity
68%
Feels like
38°F
Dew Point
32°F
2 PM
43°F
0%
7mph
ESE
Sunny
Humidity
66%
Feels like
39°F
Dew Point
32°F
3 PM
43°F
0%
7mph
ESE
Sunny
Humidity
65%
Feels like
39°F
Dew Point
32°F
4 PM
42°F
0%
6mph
ESE
Sunny
Humidity
67%
Feels like
39°F
Dew Point
32°F
5 PM
41°F
0%
6mph
ESE
Sunny
Humidity
70%
Feels like
37°F
Dew Point
32°F
6 PM
39°F
0%
7mph
ESE
Sunny
Humidity
75%
Feels like
34°F
Dew Point
32°F
6:17 PM
7 PM
37°F
30%
7mph
ESE
30% Chance Rain Showers
Humidity
79%
Feels like
32°F
Dew Point
31°F
8 PM
36°F
60%
7mph
E
60% Chance Rain Showers
Humidity
82%
Feels like
30°F
Dew Point
31°F
9 PM
35°F
80%
7mph
E
80% Chance Rain Showers
Humidity
84%
Feels like
29°F
Dew Point
30°F
10 PM
34°F
80%
8mph
E
80% Chance Rain Showers
Humidity
85%
Feels like
28°F
Dew Point
30°F
11 PM
34°F
80%
8mph
E
80% Chance Rain Showers
Humidity
85%
Feels like
28°F
Dew Point
30°F

Snow and Ice Accumulations through Tuesday

Wintry Disturbance Hits Northeastern U.S.

A wintry disturbance will continue northeastward, buffeting the northeastern U.S. with light snow, freezing rain, and plain rain through Tuesday night.

Today's Weather Outlook

Today's Weather Outlook

Weekly Drought Map for February 26, 2026

Widespread Drought Degradation For South, Southeast; Mixed Results Elsewhere

Debris flies through the air as howling winds accompanied by a line of storms approach the old Tarrant County Courthouse in downtown Fort Worth, Texas, on March 2, 2023. (Tom Fox/The Dallas Morning News via AP)

Lightning Season Rapidly Approaching: Best Safety Practices

Rocky Mountain National Park at day in December. (NPS Natural Resources/Wikimedia Commons)

Snowmelt and Flooding

U.S. Route 52 near St. Donatus between Bellevue and Dubuque, Iowa. (Tony Webster from Portland, Oregon)

Winter Weather Driving Safety Tips

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