Hourly Weather Forecast - Alta Loma, CA

12 AM
58°F
60%
9mph
SE
60% Chance of Light Rain
Humidity
71%
Feels like
58°F
Dew Point
49°F
1 AM
59°F
60%
8mph
SE
60% Chance of Rain
Humidity
71%
Feels like
59°F
Dew Point
49°F
2 AM
59°F
70%
7mph
SE
70% Chance of Rain
Humidity
71%
Feels like
59°F
Dew Point
50°F
3 AM
60°F
80%
7mph
SE
80% Chance of Rain
Humidity
72%
Feels like
60°F
Dew Point
51°F
4 AM
60°F
90%
6mph
SE
Rain
Humidity
72%
Feels like
60°F
Dew Point
51°F
5 AM
60°F
100%
6mph
SSE
Rain
Humidity
75%
Feels like
60°F
Dew Point
52°F
6 AM
61°F
100%
7mph
SSE
Light Rain
Humidity
75%
Feels like
61°F
Dew Point
53°F
6:53 AM
7 AM
63°F
100%
7mph
SSE
Rain
Humidity
76%
Feels like
63°F
Dew Point
56°F
8 AM
64°F
100%
7mph
SSE
Rain
Humidity
81%
Feels like
64°F
Dew Point
58°F
9 AM
62°F
100%
8mph
S
Rain
Humidity
89%
Feels like
62°F
Dew Point
58°F
10 AM
60°F
100%
9mph
S
Rain
Humidity
94%
Feels like
60°F
Dew Point
58°F
11 AM
59°F
100%
9mph
S
Rain
Humidity
95%
Feels like
59°F
Dew Point
58°F
12 PM
59°F
100%
8mph
S
Rain
Humidity
94%
Feels like
59°F
Dew Point
57°F
1 PM
58°F
100%
8mph
S
Rain
Humidity
95%
Feels like
58°F
Dew Point
57°F
2 PM
58°F
100%
8mph
S
Rain
Humidity
95%
Feels like
58°F
Dew Point
57°F
3 PM
58°F
100%
7mph
SSW
Rain Showers
Humidity
97%
Feels like
58°F
Dew Point
57°F
4 PM
56°F
100%
7mph
SSW
Rain Showers
Humidity
100%
Feels like
56°F
Dew Point
56°F
4:46 PM
5 PM
56°F
100%
7mph
SSW
Rain Showers
Humidity
93%
Feels like
56°F
Dew Point
54°F
6 PM
58°F
100%
7mph
SSW
Rain
Humidity
85%
Feels like
58°F
Dew Point
53°F
7 PM
58°F
100%
7mph
SSW
Rain
Humidity
79%
Feels like
58°F
Dew Point
52°F
8 PM
59°F
100%
7mph
SSW
Rain
Humidity
77%
Feels like
59°F
Dew Point
52°F
9 PM
59°F
100%
7mph
SSW
Rain Showers
Humidity
76%
Feels like
59°F
Dew Point
51°F
10 PM
59°F
100%
7mph
SSW
Rain Showers
Humidity
77%
Feels like
59°F
Dew Point
51°F
11 PM
59°F
90%
7mph
SSW
Rain Showers
Humidity
77%
Feels like
59°F
Dew Point
52°F

Rain And Snow Totals Through Monday

Atmospheric River Takes Aim For Northern California

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

NOAA, NCDC

White Christmas? What Are The Odds

Weekend Weather Outlook

Weekend 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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