Hourly Weather Forecast - Alta Loma, CA

12 AM
61°F
0%
2mph
NNE
Mostly Clear
Humidity
47%
Feels like
61°F
Dew Point
41°F
1 AM
60°F
0%
2mph
NNE
Partly Cloudy
Humidity
47%
Feels like
60°F
Dew Point
40°F
2 AM
59°F
0%
2mph
NNE
Partly Cloudy
Humidity
48%
Feels like
59°F
Dew Point
39°F
3 AM
58°F
0%
2mph
NNE
Partly Cloudy
Humidity
49%
Feels like
58°F
Dew Point
39°F
4 AM
57°F
0%
2mph
N
Partly Cloudy
Humidity
50%
Feels like
57°F
Dew Point
39°F
5 AM
56°F
0%
3mph
N
Partly Cloudy
Humidity
53%
Feels like
56°F
Dew Point
39°F
6 AM
58°F
0%
3mph
NNW
Partly Cloudy
Humidity
52%
Feels like
58°F
Dew Point
41°F
6:49 AM
7 AM
63°F
0%
3mph
NNW
Partly Cloudy
Humidity
49%
Feels like
63°F
Dew Point
44°F
8 AM
67°F
0%
1mph
NNW
Mostly Sunny
Humidity
45%
Feels like
67°F
Dew Point
46°F
9 AM
71°F
0%
1mph
SSE
Mostly Sunny
Humidity
43%
Feels like
71°F
Dew Point
47°F
10 AM
72°F
0%
3mph
S
Mostly Sunny
Humidity
41%
Feels like
72°F
Dew Point
47°F
11 AM
74°F
0%
3mph
SSW
Sunny
Humidity
39%
Feels like
74°F
Dew Point
47°F
12 PM
74°F
0%
4mph
SW
Sunny
Humidity
38%
Feels like
74°F
Dew Point
47°F
1 PM
75°F
0%
5mph
WSW
Sunny
Humidity
37%
Feels like
75°F
Dew Point
47°F
2 PM
75°F
0%
6mph
WSW
Sunny
Humidity
38%
Feels like
75°F
Dew Point
47°F
3 PM
72°F
0%
6mph
WSW
Sunny
Humidity
41%
Feels like
72°F
Dew Point
47°F
4 PM
68°F
0%
5mph
WSW
Sunny
Humidity
46%
Feels like
68°F
Dew Point
46°F
4:43 PM
5 PM
64°F
0%
2mph
WSW
Clear
Humidity
51%
Feels like
64°F
Dew Point
46°F
6 PM
62°F
0%
2mph
NE
Clear
Humidity
54%
Feels like
62°F
Dew Point
45°F
7 PM
61°F
0%
5mph
NE
Clear
Humidity
54%
Feels like
61°F
Dew Point
44°F
8 PM
60°F
0%
6mph
NE
Clear
Humidity
54%
Feels like
60°F
Dew Point
43°F
9 PM
60°F
0%
6mph
NNE
Clear
Humidity
53%
Feels like
60°F
Dew Point
43°F
10 PM
59°F
0%
6mph
N
Clear
Humidity
53%
Feels like
59°F
Dew Point
42°F
11 PM
59°F
0%
6mph
N
Clear
Humidity
53%
Feels like
59°F
Dew Point
42°F

Rainfall and Snowfall Totals Through Wednesday

Heavy Rain, Snow, and Winds Wallop Northwest

The atmospheric river this week continues to hit the Pacific Northwest with heavy rain, snow, and high winds.

Wednesday's Weather Outlook

Wednesday'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

loading ad...

Today's National Outlook

Hurricane Tracker

Allergy Forecast

Snow & Ski Forecast

Traffic Cameras

Weather Cameras

Traffic Cameras

Weather Cameras

Outdoor Sports Guide