Hourly Weather Forecast - Signal Hill, CA

12 AM
55°F
0%
3mph
ENE
Hazy
Humidity
98%
Feels like
55°F
Dew Point
54°F
1 AM
54°F
0%
3mph
NE
Foggy
Humidity
99%
Feels like
54°F
Dew Point
54°F
2 AM
53°F
0%
3mph
NE
Foggy
Humidity
100%
Feels like
53°F
Dew Point
53°F
3 AM
53°F
0%
3mph
NE
Foggy
Humidity
100%
Feels like
53°F
Dew Point
53°F
4 AM
52°F
0%
3mph
NNE
Foggy
Humidity
100%
Feels like
52°F
Dew Point
52°F
5 AM
52°F
0%
3mph
NNE
Foggy
Humidity
100%
Feels like
52°F
Dew Point
52°F
6 AM
52°F
0%
3mph
NNE
Foggy
Humidity
100%
Feels like
52°F
Dew Point
52°F
6:51 AM
7 AM
55°F
0%
3mph
NNE
Hazy
Humidity
93%
Feels like
55°F
Dew Point
53°F
8 AM
60°F
0%
2mph
NNE
Mostly Sunny
Humidity
82%
Feels like
60°F
Dew Point
55°F
9 AM
65°F
0%
2mph
NNE
Sunny
Humidity
70%
Feels like
65°F
Dew Point
55°F
10 AM
69°F
0%
2mph
NNE
Sunny
Humidity
61%
Feels like
69°F
Dew Point
55°F
11 AM
72°F
0%
1mph
NNW
Sunny
Humidity
55%
Feels like
72°F
Dew Point
55°F
12 PM
74°F
0%
1mph
WNW
Sunny
Humidity
52%
Feels like
74°F
Dew Point
55°F
1 PM
75°F
0%
2mph
W
Sunny
Humidity
50%
Feels like
75°F
Dew Point
55°F
2 PM
75°F
0%
3mph
W
Sunny
Humidity
52%
Feels like
75°F
Dew Point
56°F
3 PM
73°F
0%
3mph
W
Mostly Sunny
Humidity
56%
Feels like
73°F
Dew Point
56°F
4 PM
69°F
0%
4mph
W
Mostly Sunny
Humidity
62%
Feels like
69°F
Dew Point
56°F
4:46 PM
5 PM
66°F
0%
3mph
W
Mostly Clear
Humidity
69%
Feels like
66°F
Dew Point
56°F
6 PM
63°F
0%
2mph
W
Mostly Clear
Humidity
76%
Feels like
63°F
Dew Point
55°F
7 PM
61°F
0%
1mph
W
Clear
Humidity
81%
Feels like
61°F
Dew Point
55°F
8 PM
59°F
0%
1mph
WNW
Clear
Humidity
86%
Feels like
59°F
Dew Point
55°F
9 PM
58°F
0%
2mph
ENE
Clear
Humidity
89%
Feels like
58°F
Dew Point
55°F
10 PM
57°F
0%
2mph
ENE
Hazy
Humidity
91%
Feels like
57°F
Dew Point
55°F
11 PM
57°F
0%
2mph
ENE
Hazy
Humidity
93%
Feels like
57°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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