Hourly Weather Forecast - Signal Hill, CA

12 AM
53°F
10%
2mph
E
Hazy
Humidity
95%
Feels like
53°F
Dew Point
52°F
1 AM
53°F
10%
2mph
E
Hazy
Humidity
94%
Feels like
53°F
Dew Point
52°F
2 AM
53°F
10%
2mph
ENE
Hazy
Humidity
94%
Feels like
53°F
Dew Point
51°F
3 AM
53°F
10%
2mph
NE
Partly Cloudy
Humidity
94%
Feels like
53°F
Dew Point
51°F
4 AM
52°F
10%
2mph
NNE
Partly Cloudy
Humidity
95%
Feels like
52°F
Dew Point
51°F
5 AM
52°F
10%
2mph
NNE
Foggy
Humidity
99%
Feels like
52°F
Dew Point
51°F
6 AM
52°F
0%
2mph
NNE
Hazy
Humidity
98%
Feels like
52°F
Dew Point
51°F
6:51 AM
7 AM
54°F
0%
2mph
NNE
Hazy
Humidity
94%
Feels like
54°F
Dew Point
53°F
8 AM
58°F
0%
2mph
N
Sunny
Humidity
86%
Feels like
58°F
Dew Point
54°F
9 AM
62°F
0%
2mph
NNW
Sunny
Humidity
75%
Feels like
62°F
Dew Point
54°F
10 AM
65°F
0%
2mph
WNW
Sunny
Humidity
67%
Feels like
65°F
Dew Point
54°F
11 AM
67°F
0%
2mph
WSW
Sunny
Humidity
63%
Feels like
67°F
Dew Point
54°F
12 PM
68°F
0%
3mph
WSW
Sunny
Humidity
61%
Feels like
68°F
Dew Point
55°F
1 PM
69°F
0%
3mph
WSW
Sunny
Humidity
61%
Feels like
69°F
Dew Point
55°F
2 PM
69°F
0%
4mph
WSW
Sunny
Humidity
63%
Feels like
69°F
Dew Point
56°F
3 PM
68°F
0%
4mph
WSW
Sunny
Humidity
67%
Feels like
68°F
Dew Point
56°F
4 PM
65°F
0%
4mph
WSW
Sunny
Humidity
72%
Feels like
65°F
Dew Point
56°F
4:46 PM
5 PM
63°F
0%
4mph
W
Clear
Humidity
78%
Feels like
63°F
Dew Point
56°F
6 PM
62°F
0%
3mph
W
Clear
Humidity
81%
Feels like
62°F
Dew Point
56°F
7 PM
60°F
0%
3mph
NW
Clear
Humidity
84%
Feels like
60°F
Dew Point
55°F
8 PM
58°F
0%
3mph
NNW
Clear
Humidity
88%
Feels like
58°F
Dew Point
55°F
9 PM
57°F
0%
3mph
NE
Hazy
Humidity
91%
Feels like
57°F
Dew Point
54°F
10 PM
56°F
0%
3mph
NE
Hazy
Humidity
94%
Feels like
56°F
Dew Point
54°F
11 PM
55°F
0%
3mph
ENE
Hazy
Humidity
97%
Feels like
55°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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