Hourly Weather Forecast - St Marys, Ontario, CA

12 AM
31°F
0%
2mph
NE
Cloudy
Humidity
91%
Feels like
31°F
Dew Point
28°F
1 AM
30°F
0%
3mph
NNE
Cloudy
Humidity
91%
Feels like
30°F
Dew Point
28°F
2 AM
29°F
0%
3mph
NNE
Cloudy
Humidity
92%
Feels like
29°F
Dew Point
27°F
3 AM
29°F
0%
3mph
N
Cloudy
Humidity
92%
Feels like
25°F
Dew Point
27°F
4 AM
28°F
0%
4mph
N
Cloudy
Humidity
93%
Feels like
24°F
Dew Point
26°F
5 AM
28°F
0%
4mph
NNE
Cloudy
Humidity
93%
Feels like
23°F
Dew Point
26°F
6 AM
28°F
0%
4mph
NE
Cloudy
Humidity
95%
Feels like
23°F
Dew Point
26°F
6:56 AM
7 AM
28°F
0%
4mph
ENE
Cloudy
Humidity
95%
Feels like
23°F
Dew Point
27°F
8 AM
29°F
0%
4mph
ENE
Cloudy
Humidity
93%
Feels like
25°F
Dew Point
28°F
9 AM
32°F
0%
5mph
E
Partly Cloudy
Humidity
90%
Feels like
27°F
Dew Point
29°F
10 AM
34°F
0%
5mph
E
Mostly Sunny
Humidity
87%
Feels like
29°F
Dew Point
31°F
11 AM
37°F
0%
6mph
ESE
Sunny
Humidity
82%
Feels like
32°F
Dew Point
32°F
12 PM
39°F
0%
6mph
ESE
Sunny
Humidity
77%
Feels like
34°F
Dew Point
33°F
1 PM
41°F
10%
7mph
ESE
Sunny
Humidity
73%
Feels like
36°F
Dew Point
33°F
2 PM
42°F
10%
7mph
ESE
Sunny
Humidity
71%
Feels like
38°F
Dew Point
33°F
3 PM
42°F
10%
7mph
ESE
Sunny
Humidity
70%
Feels like
38°F
Dew Point
33°F
4 PM
42°F
10%
7mph
E
Sunny
Humidity
71%
Feels like
38°F
Dew Point
33°F
5 PM
41°F
10%
7mph
E
Sunny
Humidity
74%
Feels like
36°F
Dew Point
33°F
6 PM
39°F
10%
7mph
E
Sunny
Humidity
78%
Feels like
34°F
Dew Point
33°F
6:17 PM
7 PM
37°F
30%
7mph
E
30% Chance Rain Showers
Humidity
81%
Feels like
31°F
Dew Point
32°F
8 PM
36°F
60%
7mph
E
60% Chance Rain Showers
Humidity
82%
Feels like
30°F
Dew Point
31°F
9 PM
36°F
80%
7mph
E
80% Chance Rain Showers
Humidity
82%
Feels like
30°F
Dew Point
31°F
10 PM
35°F
80%
8mph
E
80% Chance Rain Showers
Humidity
82%
Feels like
29°F
Dew Point
31°F
11 PM
35°F
80%
8mph
E
80% Chance Rain Showers
Humidity
83%
Feels like
29°F
Dew Point
31°F

Snow and Ice Accumulations through Tuesday AM

Wintry Disturbance Bisects U.S. Mid-Latitudes

A wintry disturbance will bring icing and light snow from the central Plains tonight through the Northeast on Tuesday.

Today's Weather Outlook

Monday'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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