Hourly Weather Forecast - St. Marys, Ontario, CA

12 AM
40°F
40%
11mph
ESE
40% Chance of Light Rain
Humidity
92%
Feels like
34°F
Dew Point
38°F
1 AM
40°F
30%
11mph
ESE
30% Chance of Light Rain
Humidity
93%
Feels like
34°F
Dew Point
38°F
2 AM
40°F
30%
10mph
ESE
30% Chance of Light Rain
Humidity
94%
Feels like
34°F
Dew Point
38°F
3 AM
40°F
30%
9mph
SE
30% Chance of Light Rain
Humidity
94%
Feels like
34°F
Dew Point
38°F
4 AM
39°F
30%
8mph
SE
30% Chance of Light Rain
Humidity
94%
Feels like
34°F
Dew Point
38°F
5 AM
39°F
30%
7mph
SSE
30% Chance of Light Rain
Humidity
94%
Feels like
34°F
Dew Point
37°F
6 AM
38°F
20%
6mph
SSE
Cloudy
Humidity
94%
Feels like
34°F
Dew Point
37°F
6:52 AM
7 AM
38°F
20%
6mph
S
Cloudy
Humidity
94%
Feels like
34°F
Dew Point
37°F
8 AM
39°F
10%
6mph
S
Cloudy
Humidity
93%
Feels like
34°F
Dew Point
37°F
9 AM
39°F
10%
7mph
S
Cloudy
Humidity
92%
Feels like
35°F
Dew Point
37°F
10 AM
40°F
10%
7mph
S
Cloudy
Humidity
91%
Feels like
36°F
Dew Point
38°F
11 AM
42°F
10%
8mph
S
Cloudy
Humidity
87%
Feels like
37°F
Dew Point
38°F
12 PM
44°F
0%
9mph
S
Cloudy
Humidity
82%
Feels like
39°F
Dew Point
39°F
1 PM
46°F
0%
9mph
S
Cloudy
Humidity
79%
Feels like
41°F
Dew Point
40°F
2 PM
47°F
0%
10mph
S
Cloudy
Humidity
76%
Feels like
43°F
Dew Point
40°F
3 PM
48°F
10%
10mph
S
Cloudy
Humidity
74%
Feels like
44°F
Dew Point
40°F
4 PM
49°F
10%
10mph
S
Cloudy
Humidity
74%
Feels like
44°F
Dew Point
41°F
5 PM
48°F
20%
9mph
SSE
Cloudy
Humidity
75%
Feels like
44°F
Dew Point
41°F
6 PM
47°F
20%
9mph
SSE
Cloudy
Humidity
78%
Feels like
43°F
Dew Point
41°F
6:19 PM
7 PM
47°F
30%
9mph
SSE
30% Chance of Light Rain
Humidity
80%
Feels like
42°F
Dew Point
41°F
8 PM
46°F
30%
9mph
SSE
30% Chance of Light Rain
Humidity
82%
Feels like
42°F
Dew Point
41°F
9 PM
46°F
30%
9mph
SSE
30% Chance of Light Rain
Humidity
83%
Feels like
42°F
Dew Point
41°F
10 PM
46°F
40%
10mph
SSE
40% Chance of Light Rain
Humidity
83%
Feels like
42°F
Dew Point
41°F
11 PM
47°F
50%
10mph
SSE
50% Chance of Rain
Humidity
82%
Feels like
42°F
Dew Point
42°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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