Hourly Weather Forecast - Signal Hill, CA

12 AM
56°F
0%
2mph
ENE
Cloudy
Humidity
94%
Feels like
56°F
Dew Point
55°F
1 AM
56°F
0%
2mph
ENE
Cloudy
Humidity
94%
Feels like
56°F
Dew Point
54°F
2 AM
55°F
0%
2mph
ENE
Cloudy
Humidity
95%
Feels like
55°F
Dew Point
54°F
3 AM
55°F
0%
2mph
NE
Hazy
Humidity
95%
Feels like
55°F
Dew Point
53°F
4 AM
54°F
0%
2mph
NE
Hazy
Humidity
96%
Feels like
54°F
Dew Point
53°F
5 AM
53°F
0%
2mph
NE
Hazy
Humidity
97%
Feels like
53°F
Dew Point
52°F
6 AM
53°F
0%
2mph
NE
Hazy
Humidity
95%
Feels like
53°F
Dew Point
52°F
6:52 AM
7 AM
56°F
0%
2mph
NE
Mostly Sunny
Humidity
88%
Feels like
56°F
Dew Point
53°F
8 AM
61°F
0%
2mph
ENE
Mostly Sunny
Humidity
78%
Feels like
61°F
Dew Point
54°F
9 AM
66°F
0%
1mph
ENE
Mostly Sunny
Humidity
66%
Feels like
66°F
Dew Point
55°F
10 AM
69°F
0%
1mph
E
Sunny
Humidity
60%
Feels like
69°F
Dew Point
55°F
11 AM
72°F
0%
2mph
SSE
Sunny
Humidity
57%
Feels like
72°F
Dew Point
55°F
12 PM
73°F
0%
3mph
SSW
Sunny
Humidity
56%
Feels like
73°F
Dew Point
56°F
1 PM
73°F
0%
4mph
SW
Mostly Sunny
Humidity
56%
Feels like
73°F
Dew Point
56°F
2 PM
73°F
0%
4mph
SW
Sunny
Humidity
59%
Feels like
73°F
Dew Point
57°F
3 PM
70°F
0%
4mph
SW
Sunny
Humidity
64%
Feels like
70°F
Dew Point
57°F
4 PM
67°F
0%
4mph
SW
Sunny
Humidity
71%
Feels like
67°F
Dew Point
57°F
4:47 PM
5 PM
63°F
0%
3mph
WSW
Clear
Humidity
79%
Feels like
63°F
Dew Point
57°F
6 PM
61°F
0%
2mph
WSW
Clear
Humidity
87%
Feels like
61°F
Dew Point
57°F
7 PM
59°F
0%
2mph
WSW
Hazy
Humidity
93%
Feels like
59°F
Dew Point
57°F
8 PM
57°F
0%
1mph
SSW
Hazy
Humidity
97%
Feels like
57°F
Dew Point
56°F
9 PM
56°F
0%
2mph
SSE
Foggy
Humidity
100%
Feels like
56°F
Dew Point
56°F
10 PM
55°F
0%
2mph
SE
Foggy
Humidity
100%
Feels like
55°F
Dew Point
55°F
11 PM
55°F
0%
2mph
SE
Foggy
Humidity
100%
Feels like
55°F
Dew Point
55°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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