COSTA MESA, CA 92626 Weather Forecast & Current Conditions

Enter ZIP code or City, State   
    


SANTA ANA, CA
Current Weather

7:53 PM PDT SEP 6, 2026
Broken Clouds
Light Rain
79°F
Feels Like: 82°F
Dewpoint: 72°F
Rel. Hum.: 79%
Visibility: 10 miles
Wind: NW at 5 mph
Pressure: 29.85 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
Partly cloudy. A slight chance of showers this evening. Lows 69 to 72. Areas of winds northwest 10 mph. Chance of measurable precipitation 20 percent.
LABOR DAY
Partly cloudy in the morning...becoming mostly sunny. Highs 81 to 84 at the beaches to 87 to 91 farther inland and near higher coastal terrain. Areas of winds northwest 10 to 15 mph.
MONDAY NIGHT
Mostly clear in the evening...becoming partly cloudy. Lows 69 to 72. Areas of winds west 10 to 15 mph in the evening becoming light.
TUESDAY
Partly cloudy. Highs 81 to 85 at the beaches to 88 to 92 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 70 to 73. Areas of winds west 10 to 15 mph in the evening becoming light.
WEDNESDAY
Mostly sunny. Highs 82 to 86 at the beaches to 89 to 94 farther inland and near higher coastal terrain.
WEDNESDAY NIGHT
Mostly clear. Lows 70 to 73.
THURSDAY
Mostly sunny. Highs 78 to 83 at the beaches to 85 to 90 farther inland and near higher coastal terrain.
THURSDAY NIGHT
Mostly clear. Lows around 70.
FRIDAY
Mostly sunny. Highs 76 to 80 at the beaches to 82 to 86 farther inland and near higher coastal terrain.
FRIDAY NIGHT
Mostly clear. Lows 65 to 68.
SATURDAY
Partly cloudy in the morning...becoming mostly sunny. Highs 74 to 78 at the beaches to 78 to 83 farther inland and near higher coastal terrain.
SATURDAY NIGHT
Mostly clear. Lows 64 to 67.

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  9/ 6/2026
Sunday
6 SEP 2026
COSTA MESA, CA 92626 weather forecast Day 1, 12 hours 11 AM 77° 79° Mostly Cloudy 49%
RAIN
.25–.5 in
0% Thunder
( 14% severe)
N   8 69% 66°
High 82° COSTA MESA, CA 92626 weather forecast Day 1, 15 hours 2 PM 80° 83° Mostly Cloudy NNE   7 67% 68°
Mostly Cloudy

Chance of Rain

COSTA MESA, CA 92626 weather forecast Day 1, 18 hours 5 PM 81° 84° Mostly Cloudy 7%

0% Thunder
( 8% severe)
NW   7 67% 69°
COSTA MESA, CA 92626 weather forecast Day 1, 21 hours 8 PM 76° 77° Partly Cloudy W   10 82% 70°
Monday
7 SEP 2026
COSTA MESA, CA 92626 weather forecast Day 2, 0 hours 11 PM 74° 74° Mostly Cloudy 5%

0% Thunder
( 7% severe)
WNW   10 84% 69°
Low 72° COSTA MESA, CA 92626 weather forecast Day 2, 3 hours 2 AM 73° 73° Mostly Cloudy W   6 87% 69°
High 88° COSTA MESA, CA 92626 weather forecast Day 2, 6 hours 5 AM 72° 72° Partly Cloudy 5%

0% Thunder
( 2% severe)
WNW   5 87% 68°

Partly Cloudy



COSTA MESA, CA 92626 weather forecast Day 2, 9 hours 8 AM 75° 75° Partly Cloudy NW   6 82% 69°
COSTA MESA, CA 92626 weather forecast Day 2, 12 hours 11 AM 84° 88° Partly Cloudy 3%

0% Thunder
( 6% severe)
WNW   3 63% 70°
COSTA MESA, CA 92626 weather forecast Day 2, 15 hours 2 PM 87° 90° Partly Cloudy W   10 53% 68°
COSTA MESA, CA 92626 weather forecast Day 2, 18 hours 5 PM 84° 86° Clear 1%

0% Thunder
( 6% severe)
W   12 55% 66°
COSTA MESA, CA 92626 weather forecast Day 2, 21 hours 8 PM 76° 78° Partly Cloudy W   7 71% 66°
Tuesday
8 SEP 2026
COSTA MESA, CA 92626 weather forecast Day 3, 0 hours 11 PM 74° 74° Partly Cloudy 2%

0% Thunder
( 2% severe)
WSW   6 74% 65°
Low 72° COSTA MESA, CA 92626 weather forecast Day 3, 3 hours 2 AM 73° 73° Partly Cloudy WNW   3 73% 64°
High 88° COSTA MESA, CA 92626 weather forecast Day 3, 6 hours 5 AM 72° 72° Partly Cloudy 7%

0% Thunder
( 1% severe)
NNW   3 76% 64°

Partly Cloudy



COSTA MESA, CA 92626 weather forecast Day 3, 9 hours 8 AM 75° 75° Partly Cloudy NNW   5 69% 64°
COSTA MESA, CA 92626 weather forecast Day 3, 15 hours 11 AM 85° 87° Partly Cloudy 6%

0% Thunder
( 6% severe)
W   3 51% 65°
COSTA MESA, CA 92626 weather forecast Day 3, 18 hours 2 PM 88° 89° Partly Cloudy W   12 45% 64°
COSTA MESA, CA 92626 weather forecast Day 3, 21 hours 5 PM 85° 86° Partly Cloudy     W   13 48% 63°

SANTA ANA, CA extended weather forecast

Wednesday
9 SEP 2026
Thursday
10 SEP 2026
Friday
11 SEP 2026
Saturday
12 SEP 2026
Sunday
13 SEP 2026
Low 72° Low 72° Low 73° Low 69° Low 70°
High 98° High 88° High 84° High 80° High 82°
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
Mostly Cloudy
Partly Cloudy
Partly Cloudy
3% Rain
Overcast
6% Rain
Mostly Cloudy
4% 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