Signal Hill, CA Weather Forecast & Alerts

Current conditions, 5-day forecast, and active NWS weather alerts for Signal Hill, CA.

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Current Conditions — Signal Hill, CA

LONG BEACH (KLGB)

Clear

60.8 F
Humidity:82%
Wind Speed: 3.4 mph
Barometer:29.91 in
Dewpoint:55.4 F
Visibility:10.00 mi
Precip:--
Heat Index:NA
Wind Chill:NA
Apr 24 2026, 02:00 AM PDT
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5-Day Forecast — Signal Hill, CA

Friday

High 71 °F
Forecast Missing
Friday
Night
Low 55 °F
Forecast Missing
Saturday

High 66 °F
Forecast Missing
Saturday
Night
Low 53 °F
Forecast Missing
Sunday

High 69 °F
Forecast Missing
Sunday
Night
Low 55 °F
Forecast Missing
Monday

High 71 °F
Forecast Missing
Monday
Night
Low 55 °F
Forecast Missing
Tuesday

High 73 °F
Forecast Missing

Detailed Forecast — Signal Hill, CA

Friday
Chance of Rain. High near 71°F. Wind 6 to 10 mph, with gusts as high as 13 mph.
Friday Night
Forecast Missing. Low around 55°F. Wind 5 to 7 mph, with gusts as high as 8 mph.
Saturday
Forecast Missing. High near 66°F. Wind 7 to 13 mph, with gusts as high as 16 mph.
Saturday Night
Forecast Missing. Low around 53°F. Wind 6 to 12 mph, with gusts as high as 16 mph.
Sunday
Forecast Missing. High near 69°F. Wind 7 to 14 mph, with gusts as high as 20 mph.
Sunday Night
Forecast Missing. Low around 55°F. Wind 2 to 7 mph, with gusts as high as 10 mph.
Monday
Forecast Missing. High near 71°F. Wind 7 to 12 mph, with gusts as high as 16 mph.
Monday Night
Forecast Missing. Low around 55°F. Wind 1 to 6 mph, with gusts as high as 8 mph.
Tuesday
Forecast Missing. High near 73°F. Wind 6 to 12 mph, with gusts as high as 16 mph.
Tuesday Night
Forecast Missing. Low around 57°F. Wind 2 to 6 mph, with gusts as high as 8 mph.
Wednesday
Forecast Missing. High near 73°F. Wind 7 to 12 mph, with gusts as high as 15 mph.
Wednesday Night
Forecast Missing. Low around 57°F. Wind 1 to 3 mph, with gusts as high as 5 mph.
Thursday
Forecast Missing. High near 73°F. Wind 6 to 10 mph, with gusts as high as 14 mph.
CA Radar
Current Radar • CA
Day 1 Outlook • April 24, 2026

Observation History — Signal Hill, CA

Time Wind
(mph)		 Vis
(mi)		 Weather Precip (in) Temperature (F) Relative
Humidity		 Wind
Chill
(F)		 Heat
Index
(F)		 Pressure
Air Dwpt altimeter
(in)		 sea level
(mb)
02:00 AM PDT 3.4 10.00 Clear -- 60.8 55.4 82% NA NA 29.91 1012.9
01:50 AM PDT 4.6 10.00 Clear -- 60.8 55.4 82% NA NA 29.91 1012.9
01:40 AM PDT 3.4 10.00 Clear -- 60.8 55.4 82% NA NA 29.91 1012.9
01:35 AM PDT 3.4 10.00 Clear -- 60.8 55.4 82% NA NA 29.92 1013.2
01:30 AM PDT 4.6 10.00 Clear -- 60.8 55.4 82% NA NA 29.91 1012.9
01:25 AM PDT 4.6 10.00 Clear -- 60.8 55.4 82% NA NA 29.92 1013.2
01:20 AM PDT 3.4 10.00 Clear -- 60.8 55.4 82% NA NA 29.92 1013.2
01:10 AM PDT 4.6 10.00 Clear -- 60.8 55.4 82% NA NA 29.92 1013.2
01:00 AM PDT SE 3.4 10.00 Clear -- 60.8 55.4 82% NA NA 29.92 1013.2
12:50 AM PDT E 3.4 10.00 Clear -- 60.8 55.4 82% NA NA 29.92 1013.2
12:40 AM PDT SE 3.4 10.00 Clear -- 62.6 55.4 77% NA NA 29.92 1013.2
12:35 AM PDT SE 3.4 10.00 Clear -- 62.6 55.4 77% NA NA 29.92 1013.2
12:25 AM PDT 0.0 10.00 Clear -- 62.6 55.4 77% NA NA 29.92 1013.2
12:15 AM PDT E 3.4 10.00 Clear -- 60.8 55.4 82% NA NA 29.92 1013.2
12:10 AM PDT E 3.4 10.00 Clear -- 62.6 55.4 77% NA NA 29.92 1013.2
12:05 AM PDT E 3.4 10.00 Clear -- 62.6 55.4 77% NA NA 29.93 1013.5
12:00 AM PDT 0.0 10.00 Clear -- 62.6 55.4 77% NA NA 29.93 1013.5
11:50 PM PDT 0.0 10.00 Clear -- 62.6 55.4 77% NA NA 29.93 1013.5
11:40 PM PDT 0.0 10.00 Clear -- 62.6 55.4 77% NA NA 29.93 1013.5
11:35 PM PDT 0.0 10.00 Clear -- 62.6 53.6 72% NA NA 29.93 1013.5
11:30 PM PDT 0.0 10.00 Clear -- 62.6 55.4 77% NA NA 29.93 1013.5
11:25 PM PDT SE 3.4 10.00 Clear -- 62.6 55.4 77% NA NA 29.93 1013.5
11:15 PM PDT 0.0 10.00 Clear -- 62.6 53.6 72% NA NA 29.93 1013.5
11:10 PM PDT SE 3.4 10.00 Clear -- 62.6 53.6 72% NA NA 29.93 1013.5

Regional Weather Observation

LONG BEACH (KLGB)

Clear
60.8 F

LOS ALAMITOS AAF (KSLI)

Haze
61.3 F

TORRANCE MUNICIP (KTOA)

Partly Cloudy
62.6 F

HAWTHORNE (KHHR)

Clear
60.8 F

(KCQT)


F

SANTA MONICA (KSMO)

Clear
57.2 F
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