Hourly Weather Forecast - Alta Loma, CA

12 AM
61°F
0%
6mph
NNW
Clear
Humidity
31%
Feels like
61°F
Dew Point
30°F
1 AM
60°F
0%
5mph
NNW
Clear
Humidity
30%
Feels like
60°F
Dew Point
29°F
2 AM
59°F
0%
5mph
NNW
Mostly Clear
Humidity
31%
Feels like
59°F
Dew Point
29°F
3 AM
59°F
0%
5mph
N
Clear
Humidity
31%
Feels like
59°F
Dew Point
28°F
4 AM
58°F
0%
5mph
N
Clear
Humidity
31%
Feels like
58°F
Dew Point
28°F
5 AM
58°F
0%
5mph
N
Mostly Clear
Humidity
32%
Feels like
58°F
Dew Point
28°F
6 AM
60°F
0%
5mph
N
Clear
Humidity
30%
Feels like
60°F
Dew Point
29°F
6:49 AM
7 AM
64°F
0%
4mph
N
Sunny
Humidity
29%
Feels like
64°F
Dew Point
32°F
8 AM
69°F
0%
3mph
N
Sunny
Humidity
27%
Feels like
69°F
Dew Point
34°F
9 AM
73°F
0%
1mph
NW
Sunny
Humidity
26%
Feels like
73°F
Dew Point
36°F
10 AM
75°F
0%
2mph
WSW
Sunny
Humidity
25%
Feels like
75°F
Dew Point
37°F
11 AM
76°F
0%
2mph
WSW
Sunny
Humidity
23%
Feels like
76°F
Dew Point
36°F
12 PM
78°F
0%
2mph
WSW
Sunny
Humidity
22%
Feels like
78°F
Dew Point
36°F
1 PM
78°F
0%
2mph
WSW
Sunny
Humidity
22%
Feels like
78°F
Dew Point
36°F
2 PM
78°F
0%
2mph
WSW
Sunny
Humidity
24%
Feels like
78°F
Dew Point
38°F
3 PM
75°F
0%
3mph
WSW
Sunny
Humidity
27%
Feels like
75°F
Dew Point
40°F
4 PM
72°F
0%
3mph
W
Sunny
Humidity
33%
Feels like
72°F
Dew Point
41°F
4:42 PM
5 PM
68°F
0%
2mph
WNW
Clear
Humidity
37%
Feels like
68°F
Dew Point
41°F
6 PM
66°F
0%
2mph
NNW
Clear
Humidity
39%
Feels like
66°F
Dew Point
40°F
7 PM
64°F
0%
3mph
N
Clear
Humidity
39%
Feels like
64°F
Dew Point
39°F
8 PM
63°F
0%
3mph
NNE
Clear
Humidity
40%
Feels like
63°F
Dew Point
38°F
9 PM
62°F
0%
3mph
NE
Clear
Humidity
40%
Feels like
62°F
Dew Point
38°F
10 PM
62°F
0%
3mph
NE
Clear
Humidity
40%
Feels like
62°F
Dew Point
37°F
11 PM
61°F
0%
3mph
NNE
Clear
Humidity
41%
Feels like
61°F
Dew Point
37°F

Rainfall Totals Through Wednesday A.M.

Heavy Rain Returns to Deluge Pacific Northwest

Another atmospheric river will hit the Pacific Northwest with heavy rain and high winds.

Monday's Weather Outlook

Today's Weather Outlook

How to Measure Snow via NWS

How To Measure Snow

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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