Hourly Weather Forecast - San Dimas, CA

12 AM
56°F
100%
5mph
SSE
Light Rain
Humidity
100%
Feels like
56°F
Dew Point
56°F
1 AM
56°F
100%
5mph
SSE
Light Rain
Humidity
100%
Feels like
56°F
Dew Point
56°F
2 AM
56°F
100%
5mph
SSE
Light Rain
Humidity
100%
Feels like
56°F
Dew Point
56°F
3 AM
55°F
100%
5mph
S
Light Rain
Humidity
100%
Feels like
55°F
Dew Point
55°F
4 AM
55°F
100%
4mph
S
Light Rain
Humidity
100%
Feels like
55°F
Dew Point
55°F
5 AM
55°F
100%
4mph
S
Light Rain
Humidity
100%
Feels like
55°F
Dew Point
55°F
6 AM
56°F
100%
5mph
S
Light Rain
Humidity
100%
Feels like
56°F
Dew Point
56°F
6:55 AM
7 AM
57°F
90%
5mph
S
Rain Showers
Humidity
100%
Feels like
57°F
Dew Point
57°F
8 AM
58°F
90%
5mph
S
Rain Showers
Humidity
98%
Feels like
58°F
Dew Point
58°F
9 AM
59°F
80%
6mph
S
80% Chance Rain Showers
Humidity
95%
Feels like
59°F
Dew Point
58°F
10 AM
59°F
80%
6mph
S
80% Chance Rain Showers
Humidity
93%
Feels like
59°F
Dew Point
57°F
11 AM
60°F
80%
6mph
S
80% Chance Rain Showers
Humidity
90%
Feels like
60°F
Dew Point
57°F
12 PM
60°F
80%
6mph
SSW
80% Chance Rain Showers
Humidity
89%
Feels like
60°F
Dew Point
57°F
1 PM
61°F
80%
5mph
SSW
80% Chance Rain Showers
Humidity
88%
Feels like
61°F
Dew Point
57°F
2 PM
60°F
80%
5mph
SSW
80% Chance of Light Rain
Humidity
89%
Feels like
60°F
Dew Point
57°F
3 PM
59°F
80%
4mph
SW
80% Chance of Light Rain
Humidity
92%
Feels like
59°F
Dew Point
57°F
4 PM
58°F
80%
4mph
SW
80% Chance of Light Rain
Humidity
97%
Feels like
58°F
Dew Point
57°F
4:48 PM
5 PM
56°F
70%
4mph
SW
70% Chance of Light Rain
Humidity
100%
Feels like
56°F
Dew Point
56°F
6 PM
55°F
70%
3mph
SSW
70% Chance of Light Rain
Humidity
100%
Feels like
55°F
Dew Point
55°F
7 PM
55°F
60%
3mph
S
60% Chance of Light Rain
Humidity
100%
Feels like
55°F
Dew Point
55°F
8 PM
54°F
60%
3mph
SSE
60% Chance of Light Rain
Humidity
100%
Feels like
54°F
Dew Point
54°F
9 PM
54°F
60%
3mph
ESE
60% Chance of Light Rain
Humidity
100%
Feels like
54°F
Dew Point
54°F

Rain And Snow Totals Through Monday

Atmospheric River Impacts Northern California

The plume of abundant moisture impacting the Northwest the last several days will focus more on Northern California through Monday bringing heavy rainfall and mountain snow.

NOAA, NCDC

White Christmas? What Are The Odds

Sunday's Weather Outlook

Sunday's Weather Outlook

Cold weather

During Extreme Cold: Watch for Frostbite!

Flu Update Valid For Week Ending December 13, 2025

Weekly Flu Update: Flu Spreading Hard Across U.S.

Watch vs. Warning

Flash Flood Watch and Warning Defined

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