Hourly Weather Forecast - St. Marys, Ontario, CA

12 PM
40°F
0%
19mph
S
Partly Cloudy
Humidity
73%
Feels like
30°F
Dew Point
32°F
1 PM
40°F
0%
19mph
S
Mostly Cloudy
Humidity
70%
Feels like
31°F
Dew Point
31°F
2 PM
40°F
10%
19mph
S
Mostly Cloudy
Humidity
70%
Feels like
31°F
Dew Point
31°F
3 PM
40°F
30%
19mph
S
30% Chance Rain Showers
Humidity
71%
Feels like
31°F
Dew Point
32°F
4 PM
40°F
30%
19mph
S
30% Chance Rain Showers
Humidity
73%
Feels like
31°F
Dew Point
33°F
4:50 PM
5 PM
41°F
20%
19mph
S
Mostly Cloudy
Humidity
76%
Feels like
32°F
Dew Point
34°F
6 PM
41°F
40%
19mph
S
40% Chance of Light Rain
Humidity
77%
Feels like
32°F
Dew Point
35°F
7 PM
42°F
60%
20mph
S
60% Chance of Rain
Humidity
78%
Feels like
33°F
Dew Point
35°F
8 PM
42°F
70%
20mph
SSE
70% Chance of Rain
Humidity
80%
Feels like
32°F
Dew Point
36°F
9 PM
41°F
70%
22mph
SSE
70% Chance of Rain
Humidity
81%
Feels like
32°F
Dew Point
36°F
10 PM
41°F
70%
21mph
S
70% Chance of Rain
Humidity
80%
Feels like
31°F
Dew Point
36°F
11 PM
41°F
90%
20mph
S
Rain
Humidity
83%
Feels like
32°F
Dew Point
37°F

Forecast Peak Wind Gusts Today

High Winds, Rain, and Snow Cross the Country

A clipper moving over the Great Lakes brings rain, snow, and high winds through the Atlantic Coastline.

Rainfall and Snowfall Totals Through Friday

Atmospheric River Symptoms Repeat in the Northwest

Friday's Weather Outlook

Friday's Weather Outlook

Flu Update Valid For Week Ending December 6, 2025

Weekly Flu Update: Flu Exceeds Annual Baseline

Weekly Drought Map for December 11, 2025

Hit-or-Miss Precipitation Leads to Mixed Drought Results

How to Measure Snow via NWS

How To Measure Snow

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