Hourly Weather Forecast - Alta Loma, CA

12 AM
56°F
0%
3mph
NNE
Partly Cloudy
Humidity
75%
Feels like
56°F
Dew Point
48°F
1 AM
55°F
0%
3mph
NE
Partly Cloudy
Humidity
76%
Feels like
55°F
Dew Point
48°F
2 AM
54°F
0%
3mph
NE
Partly Cloudy
Humidity
77%
Feels like
54°F
Dew Point
47°F
3 AM
54°F
0%
2mph
NNE
Partly Cloudy
Humidity
78%
Feels like
54°F
Dew Point
47°F
4 AM
53°F
0%
2mph
NNE
Partly Cloudy
Humidity
78%
Feels like
53°F
Dew Point
46°F
5 AM
53°F
0%
2mph
NNE
Partly Cloudy
Humidity
79%
Feels like
53°F
Dew Point
47°F
6 AM
55°F
0%
2mph
NE
Partly Cloudy
Humidity
75%
Feels like
55°F
Dew Point
47°F
6:52 AM
7 AM
60°F
0%
2mph
NE
Partly Cloudy
Humidity
67%
Feels like
60°F
Dew Point
48°F
8 AM
65°F
0%
2mph
ENE
Mostly Sunny
Humidity
58%
Feels like
65°F
Dew Point
50°F
9 AM
68°F
0%
2mph
SE
Mostly Sunny
Humidity
54%
Feels like
68°F
Dew Point
51°F
10 AM
70°F
0%
2mph
SSE
Sunny
Humidity
52%
Feels like
70°F
Dew Point
51°F
11 AM
72°F
0%
3mph
S
Mostly Sunny
Humidity
49%
Feels like
72°F
Dew Point
51°F
12 PM
73°F
0%
3mph
SSW
Mostly Sunny
Humidity
46%
Feels like
73°F
Dew Point
51°F
1 PM
74°F
0%
4mph
SW
Mostly Sunny
Humidity
45%
Feels like
74°F
Dew Point
51°F
2 PM
74°F
0%
4mph
SW
Mostly Sunny
Humidity
45%
Feels like
74°F
Dew Point
51°F
3 PM
72°F
0%
5mph
SW
Mostly Sunny
Humidity
46%
Feels like
72°F
Dew Point
51°F
4 PM
69°F
0%
5mph
SW
Mostly Sunny
Humidity
51%
Feels like
69°F
Dew Point
50°F
4:45 PM
5 PM
65°F
0%
5mph
WSW
Mostly Clear
Humidity
57%
Feels like
65°F
Dew Point
49°F
6 PM
62°F
0%
4mph
WSW
Mostly Clear
Humidity
62%
Feels like
62°F
Dew Point
49°F
7 PM
60°F
0%
4mph
WSW
Mostly Clear
Humidity
65%
Feels like
60°F
Dew Point
48°F
8 PM
58°F
0%
4mph
WSW
Partly Cloudy
Humidity
68%
Feels like
58°F
Dew Point
48°F
9 PM
57°F
0%
4mph
WSW
Cloudy
Humidity
71%
Feels like
57°F
Dew Point
47°F
10 PM
56°F
0%
4mph
SW
Cloudy
Humidity
72%
Feels like
56°F
Dew Point
47°F
11 PM
55°F
0%
2mph
SSW
Cloudy
Humidity
72%
Feels like
55°F
Dew Point
47°F

Rainfall and Snowfall Totals Through Thursday

Pineapple Express Slams Northwestern U.S.

The atmospheric river this week will keep buffeting the Pacific Northwest with heavy rain, snow, and high winds.

Wednesday's Weather Outlook

Today's Weather Outlook

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Weekly Drought Map for December 11, 2025

Hit-or-Miss Precipitation Leads to Mixed Drought Results

A person standing in a snowy forest with their back to the camera. They are bundled up in a white hat and a brown jacket. (Image by StockSnap from Pixabay)

Common Cold Weather Illnesses

A strong cold-air-damming event from March 20, 2018.

Cold Air Damming - Cause And Effects

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