Hourly Weather Forecast - Signal Hill, CA

12 AM
55°F
0%
2mph
ESE
Foggy
Humidity
100%
Feels like
55°F
Dew Point
55°F
1 AM
54°F
0%
2mph
E
Foggy
Humidity
100%
Feels like
54°F
Dew Point
54°F
2 AM
54°F
0%
2mph
E
Foggy
Humidity
100%
Feels like
54°F
Dew Point
54°F
3 AM
53°F
0%
2mph
E
Foggy
Humidity
100%
Feels like
53°F
Dew Point
53°F
4 AM
53°F
0%
2mph
E
Foggy
Humidity
100%
Feels like
53°F
Dew Point
53°F
5 AM
52°F
0%
2mph
E
Foggy
Humidity
100%
Feels like
52°F
Dew Point
52°F
6 AM
52°F
0%
2mph
E
Foggy
Humidity
100%
Feels like
52°F
Dew Point
52°F
6:52 AM
7 AM
55°F
0%
2mph
E
Foggy
Humidity
100%
Feels like
55°F
Dew Point
55°F
8 AM
59°F
0%
2mph
E
Cloudy
Humidity
96%
Feels like
59°F
Dew Point
58°F
9 AM
63°F
0%
1mph
ESE
Partly Cloudy
Humidity
85%
Feels like
63°F
Dew Point
58°F
10 AM
65°F
0%
2mph
ESE
Partly Cloudy
Humidity
78%
Feels like
65°F
Dew Point
58°F
11 AM
67°F
0%
2mph
SE
Partly Cloudy
Humidity
72%
Feels like
67°F
Dew Point
57°F
12 PM
67°F
0%
3mph
S
Partly Cloudy
Humidity
70%
Feels like
67°F
Dew Point
58°F
1 PM
68°F
0%
4mph
S
Partly Cloudy
Humidity
70%
Feels like
68°F
Dew Point
58°F
2 PM
67°F
0%
4mph
SSW
Partly Cloudy
Humidity
72%
Feels like
67°F
Dew Point
58°F
3 PM
65°F
0%
4mph
SSW
Partly Cloudy
Humidity
77%
Feels like
65°F
Dew Point
58°F
4 PM
63°F
0%
4mph
SSW
Partly Cloudy
Humidity
82%
Feels like
63°F
Dew Point
57°F
4:47 PM
5 PM
60°F
0%
4mph
SW
Partly Cloudy
Humidity
92%
Feels like
60°F
Dew Point
58°F
6 PM
58°F
0%
3mph
SW
Partly Cloudy
Humidity
96%
Feels like
58°F
Dew Point
57°F
7 PM
57°F
0%
2mph
SSW
Foggy
Humidity
100%
Feels like
57°F
Dew Point
57°F
8 PM
56°F
0%
2mph
S
Foggy
Humidity
100%
Feels like
56°F
Dew Point
56°F
9 PM
55°F
0%
2mph
SSE
Foggy
Humidity
100%
Feels like
55°F
Dew Point
55°F
10 PM
55°F
0%
2mph
SE
Foggy
Humidity
100%
Feels like
55°F
Dew Point
55°F
11 PM
54°F
0%
2mph
ESE
Foggy
Humidity
100%
Feels like
54°F
Dew Point
54°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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