Hourly Weather Forecast - Signal Hill, CA

12 AM
55°F
0%
2mph
NW
Foggy
Humidity
100%
Feels like
55°F
Dew Point
55°F
1 AM
55°F
0%
2mph
NW
Foggy
Humidity
100%
Feels like
55°F
Dew Point
55°F
2 AM
54°F
0%
2mph
NNW
Foggy
Humidity
100%
Feels like
54°F
Dew Point
54°F
3 AM
54°F
0%
2mph
NNW
Foggy
Humidity
100%
Feels like
54°F
Dew Point
54°F
4 AM
54°F
0%
2mph
NNW
Foggy
Humidity
100%
Feels like
54°F
Dew Point
54°F
5 AM
54°F
0%
2mph
NNW
Foggy
Humidity
100%
Feels like
54°F
Dew Point
54°F
6 AM
55°F
0%
2mph
NNW
Cloudy
Humidity
98%
Feels like
55°F
Dew Point
55°F
6:53 AM
7 AM
58°F
0%
2mph
NNW
Cloudy
Humidity
93%
Feels like
58°F
Dew Point
56°F
8 AM
61°F
0%
2mph
NNW
Cloudy
Humidity
88%
Feels like
61°F
Dew Point
57°F
9 AM
64°F
0%
2mph
NW
Partly Cloudy
Humidity
79%
Feels like
64°F
Dew Point
57°F
10 AM
65°F
0%
2mph
WNW
Partly Cloudy
Humidity
73%
Feels like
65°F
Dew Point
57°F
11 AM
66°F
0%
2mph
W
Partly Cloudy
Humidity
69%
Feels like
66°F
Dew Point
56°F
12 PM
67°F
0%
3mph
W
Partly Cloudy
Humidity
68%
Feels like
67°F
Dew Point
56°F
1 PM
67°F
0%
3mph
WSW
Partly Cloudy
Humidity
67%
Feels like
67°F
Dew Point
56°F
2 PM
67°F
0%
4mph
WSW
Mostly Sunny
Humidity
68%
Feels like
67°F
Dew Point
56°F
3 PM
66°F
0%
4mph
WSW
Mostly Sunny
Humidity
72%
Feels like
66°F
Dew Point
56°F
4 PM
63°F
0%
4mph
WSW
Mostly Sunny
Humidity
75%
Feels like
63°F
Dew Point
55°F
4:48 PM
5 PM
61°F
0%
3mph
WSW
Mostly Clear
Humidity
81%
Feels like
61°F
Dew Point
55°F
6 PM
59°F
0%
2mph
WSW
Partly Cloudy
Humidity
86%
Feels like
59°F
Dew Point
55°F
7 PM
58°F
0%
2mph
W
Partly Cloudy
Humidity
89%
Feels like
58°F
Dew Point
55°F
8 PM
57°F
0%
1mph
W
Partly Cloudy
Humidity
91%
Feels like
57°F
Dew Point
55°F
9 PM
56°F
0%
2mph
W
Partly Cloudy
Humidity
93%
Feels like
56°F
Dew Point
54°F
10 PM
56°F
0%
2mph
W
Partly Cloudy
Humidity
94%
Feels like
56°F
Dew Point
54°F
11 PM
56°F
0%
2mph
W
Partly Cloudy
Humidity
95%
Feels like
56°F
Dew Point
54°F

Rainfall and Snowfall Totals Through Thursday

Flooding Rain, Heavy Snow and Winds Slam Northwest, North-Central U.S.

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

Thursday's Weather Outlook

Thursday'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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