COSTA MESA, CA 92626 Weather Forecast & Current Conditions

Enter ZIP code or City, State   
    


SANTA ANA, CA
Current Weather

1:53 PM PDT AUG 31, 2026
Few Clouds
79°F
Feels Like: 81°F
Dewpoint: 66°F
Rel. Hum.: 64%
Visibility: 10 miles
Wind: SW at 12 mph, gusts to 21
Pressure: 29.93 inches
Last 72 hours

Local Area Snow Depth

California Current Weather

California MOS Forecast Weather


Regional Weather Maps


(Automated weather data from NWS/FAA)
10-Day model forecast maps
2026 Hurricanes

COSTA MESA, CA 92626
Weather Forecast

Snowfall Forecast pages
Snow Depth pages
TONIGHT
Mostly clear this evening...becoming partly cloudy. Lows 62 to 65. Areas of winds west 10 to 15 mph this evening becoming light.
TUESDAY
Partly cloudy in the morning...becoming sunny. Highs 74 to 77 at the beaches to 78 to 82 farther inland and near higher coastal terrain. Light winds becoming west 10 to 15 mph with gusts to 25 mph in the afternoon.
TUESDAY NIGHT
Mostly clear. Lows 60 to 64. Areas of winds west 10 to 15 mph with gusts to 25 mph in the evening becoming light.
WEDNESDAY
Partly cloudy in the morning...becoming sunny. Highs 74 to 77 at the beaches to 78 to 82 farther inland and near higher coastal terrain. Light winds becoming west 10 to 15 mph in the afternoon.
WEDNESDAY NIGHT
Mostly clear. Lows 61 to 65. Areas of winds west 10 to 15 mph in the evening becoming light.
THURSDAY
Partly cloudy in the morning...becoming mostly sunny. Highs 74 to 77 at the beaches to 78 to 82 farther inland and near higher coastal terrain.
THURSDAY NIGHT
Mostly clear. Lows 62 to 66.
FRIDAY
Partly cloudy. Highs 74 to 77 at the beaches to 78 to 83 farther inland and near higher coastal terrain.
FRIDAY NIGHT
Mostly clear in the evening...becoming partly cloudy. Lows 63 to 67.
SATURDAY
Partly cloudy. A chance of showers in the afternoon. Highs 75 to 79 at the beaches to 80 to 84 farther inland and near higher coastal terrain.
SATURDAY NIGHT
Partly cloudy with a slight chance of showers. Lows 65 to 68.
SUNDAY
Partly cloudy with a slight chance of showers. Highs 78 to 82 at the beaches to 84 to 88 farther inland and near higher coastal terrain.
SUNDAY NIGHT
Partly cloudy with a slight chance of showers. Lows around 69.

Visible Weather Satellite
COSTA MESA, CA 92626
Infrared Weather Satellite
COSTA MESA, CA 92626
NEXRAD Weather Radar
COSTA MESA, CA 92626

SANTA ANA, CA 3 hourly weather forecast

weather forecast created  5:00 AM PDT  8/31/2026
Monday
31 AUG 2026
COSTA MESA, CA 92626 weather forecast Day 1, 12 hours 11 AM 79° 81° Partly Cloudy 0%

0% Thunder
( 0% severe)
SSW   8 64% 66°
High 82° COSTA MESA, CA 92626 weather forecast Day 1, 15 hours 2 PM 81° 82° Clear SW   12 54% 63°
Clear



COSTA MESA, CA 92626 weather forecast Day 1, 18 hours 5 PM 78° 79° Clear 0%

0% Thunder
( 0% severe)
WSW   12 54% 60°
COSTA MESA, CA 92626 weather forecast Day 1, 21 hours 8 PM 71° 71° Clear WSW   9 73% 62°
Tuesday
1 SEP 2026
COSTA MESA, CA 92626 weather forecast Day 2, 0 hours 11 PM 68° 68° Partly Cloudy 2%

0% Thunder
( 0% severe)
SW   6 84% 63°
Low 65° COSTA MESA, CA 92626 weather forecast Day 2, 3 hours 2 AM 67° 67° Partly Cloudy WSW   5 87% 63°
High 79° COSTA MESA, CA 92626 weather forecast Day 2, 6 hours 5 AM 65° 65° Partly Cloudy 2%

0% Thunder
( 0% severe)
NNW   3 90% 62°

Partly Cloudy



COSTA MESA, CA 92626 weather forecast Day 2, 9 hours 8 AM 68° 68° Partly Cloudy NW   3 81% 62°
COSTA MESA, CA 92626 weather forecast Day 2, 12 hours 11 AM 76° 78° Clear 0%

0% Thunder
( 0% severe)
WSW   7 58% 60°
COSTA MESA, CA 92626 weather forecast Day 2, 15 hours 2 PM 79° 80° Clear WSW   13 50% 59°
COSTA MESA, CA 92626 weather forecast Day 2, 18 hours 5 PM 77° 79° Clear 0%

0% Thunder
( 0% severe)
WSW   13 52% 58°
COSTA MESA, CA 92626 weather forecast Day 2, 21 hours 8 PM 70° 70° Clear W   10 71% 60°
Wednesday
2 SEP 2026
COSTA MESA, CA 92626 weather forecast Day 3, 0 hours 11 PM 67° 67° Clear 0%

0% Thunder
( 0% severe)
WSW   8 78% 60°
Low 64° COSTA MESA, CA 92626 weather forecast Day 3, 3 hours 2 AM 66° 66° Clear SSW   6 81% 60°
High 79° COSTA MESA, CA 92626 weather forecast Day 3, 6 hours 5 AM 64° 65° Partly Cloudy 0%

0% Thunder
( 0% severe)
E   3 84% 59°

Partly Cloudy



COSTA MESA, CA 92626 weather forecast Day 3, 9 hours 8 AM 67° 67° Partly Cloudy SE   5 75% 59°
COSTA MESA, CA 92626 weather forecast Day 3, 15 hours 11 AM 76° 78° Clear 0%

0% Thunder
( 0% severe)
SW   5 56% 59°
COSTA MESA, CA 92626 weather forecast Day 3, 18 hours 2 PM 79° 80° Clear WSW   12 49% 58°
COSTA MESA, CA 92626 weather forecast Day 3, 21 hours 5 PM 77° 79° Clear     WSW   12 50% 57°

SANTA ANA, CA extended weather forecast

Thursday
3 SEP 2026
Friday
4 SEP 2026
Saturday
5 SEP 2026
Sunday
6 SEP 2026
Monday
7 SEP 2026
Low 65° Low 67° Low 67° Low 72° Low 77°
High 81° High 79° High 78° High 86° High 86°
COSTA MESA, CA 92626 weather forecast Day 4 COSTA MESA, CA 92626 weather forecast Day 5 COSTA MESA, CA 92626 weather forecast Day 6 COSTA MESA, CA 92626 weather forecast Day 7 <!--SEARCHED_TOWN_NAME--> weather forecast Day 8
Partly Cloudy
3% Rain
Partly Cloudy
4% Rain
Partly Cloudy
10% Rain
Partly Cloudy
51% Rain
Overcast
70% Rain
WEATHER SELECT BOX EXAMPLES:
for LOCAL WEATHER:
SNOW DEPTH:
LOCAL WEATHER RADAR:
STATE WEATHER MAP:
Costa Mesa, CA
Costa Mesa, CA snow
Costa Mesa, CA radar
CA map
-or-
-or-
-or-
 
92626
92626 snow
92626 radar
 
-or-
-or-
 
 
CA
CA snow
 
 
Copyright © 2026 WeatherStreet.com
Put our free WeatherStreet weather lookup on your web page.
Terms & Conditions