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Hazardous Weather Conditions

No active alerts for COSTA MESA, CALIFORNIA

Current Conditions: COSTA MESA, CALIFORNIA

Fog


55.4 F
Last Updated on Mar 1 2026, 03:30 AM PST
Humidity: 94%
Wind Speed: 0.0 mph
Barometer: 29.89 in
Dewpoint: 53.6 F
Visibility: 0.50 mi
Precip: --
Heat Index: NA
Wind Chill: NA
Current conditions at:

LOS ALAMITOS AAF (KSLI)

Lat: 33.78 Lon: -118.03

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5 Day Forecast for COSTA MESA, CALIFORNIA (92626)

Sunday
Forecast Missing
High 77 °F
Sunday
Night
Forecast Missing
Low 53 °F
Monday
Forecast Missing
High 69 °F
Monday
Night
Forecast Missing
Low 50 °F
Tuesday
Forecast Missing
High 73 °F
Tuesday
Night
Forecast Missing
Low 51 °F
Wednesday
Forecast Missing
High 73 °F
Wednesday
Night
Forecast Missing
Low 51 °F
Thursday
Forecast Missing
High 75 °F



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Observation History for COSTA MESA, CALIFORNIA


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)
03:30 AM PST 0.0 0.50 Fog -- 55.4 53.6 94% NA NA 29.89 1012.2
03:20 AM PST 0.0 1.38 Fog/Mist -- 57.2 55.4 94% NA NA 29.89 1012.2
03:10 AM PST 0.0 1.87 Fog/Mist -- 55.4 53.6 94% NA NA 29.89 1012.2
03:00 AM PST 2.75 Fog/Mist -- NULL % NA NA M
02:55 AM PST 0.0 4.00 Fog/Mist -- 57.6 56.1 95% NA NA 29.89 1012.2
01:55 AM PST 0.0 7.00 Clear -- 57.2 55.4 94% NA NA 29.89 1012.2
01:30 AM PST 0.0 4.00 Fog/Mist -- 59.0 57.2 94% NA NA 29.90 1012.5
01:10 AM PST 0.0 4.00 Fog/Mist -- 59.0 57.2 94% NA NA 29.90 1012.5
12:55 AM PST 0.0 1.63 Fog/Mist -- 57.0 55.6 95% NA NA 29.90 1012.5
11:55 PM PST 0.0 7.00 Clear -- 59.5 57.7 94% NA NA 29.89 1012.2
11:30 PM PST 0.0 6.00 Fog/Mist -- 59.0 57.2 94% NA NA 29.89 1012.2
11:25 PM PST 2.75 Fog/Mist -- NULL % NA NA M
11:15 PM PST 1.62 Fog/Mist -- NULL % NA NA M
11:10 PM PST 2.75 Fog/Mist -- NULL % NA NA M
10:55 PM PST 0.0 7.00 Clear -- 59.2 57.4 94% NA NA 29.89 1012.2
09:55 PM PST 0.0 8.00 Clear -- 59.5 57.2 92% NA NA 29.89 1012.2
08:55 PM PST 0.0 8.00 Clear -- 61.7 58.6 90% NA NA 29.88 1011.9
07:55 PM PST 0.0 8.00 Clear -- 62.2 59.9 92% NA NA 29.87 1011.5
06:55 PM PST 0.0 9.00 Clear -- 63.1 58.3 84% NA NA 29.86 1011.2
05:55 PM PST 5.8 8.00 Clear -- 66.2 59.2 78% NA NA 29.85 1010.8
04:55 PM PST S 6.9 8.00 Clear -- 70.9 58.1 64% NA 70.7 29.83 1010.2
03:55 PM PST 5.8 8.00 Mostly Clear -- 77.7 55.2 46% NA 77.4 29.83 1010.2
02:55 PM PST 6.9 8.00 Mostly Clear -- NULL 55.8 % NA NA 29.83 1010.2
01:55 PM PST 6.9 8.00 Partly Cloudy -- 78.4 57.0 48% NA 78.3 29.85 1010.8

Regional Weather Observation

LOS ALAMITOS AAF (KSLI)

Fog
55.4 F

LONG BEACH (KLGB)

Clear
59.0 F

FULLERTON (KFUL)

Clear
57.2 F

TORRANCE MUNICIP (KTOA)

Clear
62.6 F

EL MONTE (KEMT)

Clear
87.8 F

(KCQT)


F

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