COSTA MESA, CA 92626 Weather Forecast & Current Conditions

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SANTA ANA, CA
Current Weather

10:53 AM PDT AUG 10, 2026
Few Clouds
81°F
Feels Like: 83°F
Dewpoint: 66°F
Rel. Hum.: 60%
Visibility: 10 miles
Wind: SSW at 8 mph
Pressure: 29.96 inches
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COSTA MESA, CA 92626
Weather Forecast

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Snow Depth pages
TODAY
Partly cloudy with patchy fog this morning...becoming mostly sunny. Highs 76 to 79 at the beaches to 81 to 85 farther inland and near higher coastal terrain. Light winds becoming southwest 10 mph this afternoon.
TONIGHT
Partly cloudy. Patchy fog overnight. Lows 66 to 69. Areas of winds southwest to 10 mph in the evening becoming light.
TUESDAY
Partly cloudy with patchy fog in the morning... Becoming mostly sunny. Highs 75 to 78 at the beaches to 80 to 84 farther inland and near higher coastal terrain. Light winds becoming southwest 10 mph in the afternoon.
TUESDAY NIGHT
Mostly clear in the evening...becoming partly cloudy overnight with patchy fog. Lows 65 to 68. Areas of winds southwest 10 mph in the evening becoming light.
WEDNESDAY
Patchy fog in the morning. Partly cloudy. Highs 74 to 77 at the beaches to 78 to 82 farther inland and near higher coastal terrain. Light winds becoming southwest 10 to 15 mph in the afternoon.
WEDNESDAY NIGHT
Partly cloudy in the evening...becoming mostly cloudy overnight with patchy fog. Lows 64 to 67.
THURSDAY
Cloudy in the morning...becoming partly cloudy. Patchy fog in the morning. Highs 73 to 76 at the beaches to 76 to 80 farther inland and near higher coastal terrain.
THURSDAY NIGHT
Partly cloudy. Lows 63 to 67.
FRIDAY
Mostly cloudy in the morning...becoming partly cloudy. Highs 72 to 76 at the beaches to 76 to 80 farther inland and near higher coastal terrain.
FRIDAY NIGHT
Mostly clear in the evening...becoming partly cloudy. Lows 63 to 66.
SATURDAY
Mostly cloudy in the morning...becoming partly cloudy. Highs 73 to 76 at the beaches to 76 to 81 farther inland and near higher coastal terrain.
SATURDAY NIGHT
Partly cloudy. Lows 63 to 66.
SUNDAY
Mostly cloudy in the morning...becoming partly cloudy. Highs 73 to 77 at the beaches to 77 to 82 farther inland and near higher coastal terrain.

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  8/10/2026
Monday
10 AUG 2026
COSTA MESA, CA 92626 weather forecast Day 1, 12 hours 11 AM 80° 82° Partly Cloudy 0%

0% Thunder
( 1% severe)
SW   6 65% 67°
High 83° COSTA MESA, CA 92626 weather forecast Day 1, 15 hours 2 PM 82° 84° Clear SW   9 58% 66°
Partly Cloudy



COSTA MESA, CA 92626 weather forecast Day 1, 18 hours 5 PM 80° 82° Partly Cloudy 2%

0% Thunder
( 1% severe)
SSW   9 62% 66°
COSTA MESA, CA 92626 weather forecast Day 1, 21 hours 8 PM 73° 73° Partly Cloudy SW   7 79% 66°
Tuesday
11 AUG 2026
COSTA MESA, CA 92626 weather forecast Day 2, 0 hours 11 PM 71° 71° Partly Cloudy 2%

0% Thunder
( 2% severe)
WSW   3 84% 66°
Low 70° COSTA MESA, CA 92626 weather forecast Day 2, 3 hours 2 AM 70° 70° Partly Cloudy SW   1 87% 66°
High 81° COSTA MESA, CA 92626 weather forecast Day 2, 6 hours 5 AM 70° 70° Mostly Cloudy 1%

0% Thunder
( 2% severe)
  CALM 87% 66°

Decreasing Clouds



COSTA MESA, CA 92626 weather forecast Day 2, 9 hours 8 AM 72° 72° Mostly Cloudy   CALM 81% 66°
COSTA MESA, CA 92626 weather forecast Day 2, 12 hours 11 AM 79° 81° Partly Cloudy 2%

0% Thunder
( 5% severe)
SW   6 64% 66°
COSTA MESA, CA 92626 weather forecast Day 2, 15 hours 2 PM 81° 83° Clear WSW   10 58% 65°
COSTA MESA, CA 92626 weather forecast Day 2, 18 hours 5 PM 79° 81° Clear 0%

0% Thunder
( 5% severe)
WSW   10 62% 65°
COSTA MESA, CA 92626 weather forecast Day 2, 21 hours 8 PM 73° 73° Clear SW   8 76% 65°
Wednesday
12 AUG 2026
COSTA MESA, CA 92626 weather forecast Day 3, 0 hours 11 PM 70° 70° Partly Cloudy 0%

0% Thunder
( 0% severe)
SW   5 87% 66°
Low 69° COSTA MESA, CA 92626 weather forecast Day 3, 3 hours 2 AM 69° 69° Mostly Cloudy   CALM 90% 66°
High 79° COSTA MESA, CA 92626 weather forecast Day 3, 6 hours 5 AM 69° 69° Mostly Cloudy 0%

0% Thunder
( 0% severe)
  CALM 87% 65°

Mostly Cloudy



COSTA MESA, CA 92626 weather forecast Day 3, 9 hours 8 AM 71° 71° Mostly Cloudy   CALM 81% 65°
COSTA MESA, CA 92626 weather forecast Day 3, 15 hours 11 AM 77° 79° Partly Cloudy 0%

0% Thunder
( 1% severe)
WSW   6 67% 65°
COSTA MESA, CA 92626 weather forecast Day 3, 18 hours 2 PM 79° 81° Partly Cloudy WSW   10 62% 65°
COSTA MESA, CA 92626 weather forecast Day 3, 21 hours 5 PM 77° 79° Partly Cloudy     WSW   10 67% 65°

SANTA ANA, CA extended weather forecast

Thursday
13 AUG 2026
Friday
14 AUG 2026
Saturday
15 AUG 2026
Sunday
16 AUG 2026
Monday
17 AUG 2026
Low 68° Low 68° Low 67° Low 68° Low 68°
High 80° High 80° High 80° High 81° High 80°
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
Overcast
1% Rain
Partly Cloudy
1% Rain
Mostly Cloudy
4% Rain
Mostly Cloudy
14% Rain
Partly Cloudy
8% Rain
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