COSTA MESA, CA 92626 Weather Forecast & Current Conditions

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SANTA ANA, CA
Current Weather

9:53 AM PDT AUG 1, 2026
Few Clouds
73°F
Feels Like: 73°F
Dewpoint: 66°F
Rel. Hum.: 79%
Visibility: 10 miles
Wind: Calm
Pressure: 29.95 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 75 to 80 at the beaches to 83 to 88 farther inland and near higher coastal terrain. Light winds becoming south 10 mph this afternoon.
TONIGHT
Mostly clear in the evening...becoming partly cloudy. Lows 66 to 70. Areas of winds south 10 mph in the evening becoming light.
SUNDAY
Partly cloudy with patchy fog in the morning...becoming mostly sunny. Highs 76 to 81 at the beaches to 83 to 88 farther inland and near higher coastal terrain. Light winds becoming southwest 10 mph in the afternoon.
SUNDAY NIGHT
Mostly clear in the evening...becoming partly cloudy. Lows 65 to 69. Areas of winds south 10 mph in the evening becoming light.
MONDAY
Mostly cloudy with patchy fog in the morning...becoming mostly sunny. Highs 75 to 79 at the beaches to 81 to 86 farther inland and near higher coastal terrain. Light winds becoming southwest 10 mph in the afternoon.
MONDAY NIGHT
Mostly clear in the evening...becoming partly cloudy. Lows 64 to 68.
TUESDAY
Partly cloudy with patchy fog in the morning... Becoming mostly sunny. Highs 75 to 78 at the beaches to 81 to 85 farther inland and near higher coastal terrain.
TUESDAY NIGHT
Mostly clear in the evening...becoming partly cloudy. Lows 64 to 68.
WEDNESDAY
Partly cloudy in the morning...becoming mostly sunny. Highs 75 to 79 at the beaches to 80 to 85 farther inland and near higher coastal terrain.
WEDNESDAY NIGHT
Mostly clear. Lows 65 to 68.
THURSDAY
Partly cloudy in the morning...becoming mostly sunny. Highs 75 to 79 at the beaches to 81 to 86 farther inland and near higher coastal terrain.
THURSDAY NIGHT
Mostly clear in the evening...becoming partly cloudy. Lows 65 to 68.
FRIDAY
Partly cloudy in the morning...becoming mostly sunny. Highs 75 to 79 at the beaches to 81 to 86 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/ 1/2026
Saturday
1 AUG 2026
COSTA MESA, CA 92626 weather forecast Day 1, 12 hours 11 AM 82° 84° Clear 0%

0% Thunder
( 0% severe)
SW   3 58% 66°
High 86° COSTA MESA, CA 92626 weather forecast Day 1, 15 hours 2 PM 85° 87° Clear SW   8 53% 66°
Clear



COSTA MESA, CA 92626 weather forecast Day 1, 18 hours 5 PM 84° 86° Clear 0%

0% Thunder
( 0% severe)
SW   8 53% 65°
COSTA MESA, CA 92626 weather forecast Day 1, 21 hours 8 PM 76° 78° Clear SW   3 69% 65°
Sunday
2 AUG 2026
COSTA MESA, CA 92626 weather forecast Day 2, 0 hours 11 PM 72° 72° Clear 0%

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

0% Thunder
( 0% severe)
  CALM 84% 65°

Decreasing Clouds



COSTA MESA, CA 92626 weather forecast Day 2, 9 hours 8 AM 73° 73° Mostly Cloudy   CALM 76% 65°
COSTA MESA, CA 92626 weather forecast Day 2, 12 hours 11 AM 82° 84° Partly Cloudy 0%

0% Thunder
( 0% severe)
SW   5 58% 66°
COSTA MESA, CA 92626 weather forecast Day 2, 15 hours 2 PM 84° 86° Clear SSW   8 53% 65°
COSTA MESA, CA 92626 weather forecast Day 2, 18 hours 5 PM 83° 84° Clear 0%

0% Thunder
( 0% severe)
SW   7 53% 64°
COSTA MESA, CA 92626 weather forecast Day 2, 21 hours 8 PM 75° 75° Clear SW   5 71% 65°
Monday
3 AUG 2026
COSTA MESA, CA 92626 weather forecast Day 3, 0 hours 11 PM 71° 71° Partly Cloudy 0%

0% Thunder
( 0% severe)
SSW   3 84% 66°
Low 69° COSTA MESA, CA 92626 weather forecast Day 3, 3 hours 2 AM 70° 70° Partly Cloudy S   2 87% 66°
High 83° COSTA MESA, CA 92626 weather forecast Day 3, 6 hours 5 AM 69° 69° Mostly Cloudy 0%

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

Decreasing Clouds



COSTA MESA, CA 92626 weather forecast Day 3, 9 hours 8 AM 72° 72° Mostly Cloudy S   2 79% 65°
COSTA MESA, CA 92626 weather forecast Day 3, 15 hours 11 AM 80° 82° Clear 0%

0% Thunder
( 0% severe)
SW   6 62% 66°
COSTA MESA, CA 92626 weather forecast Day 3, 18 hours 2 PM 82° 84° Clear SW   9 56% 65°
COSTA MESA, CA 92626 weather forecast Day 3, 21 hours 5 PM 81° 83° Clear     WSW   9 58% 65°

SANTA ANA, CA extended weather forecast

Tuesday
4 AUG 2026
Wednesday
5 AUG 2026
Thursday
6 AUG 2026
Friday
7 AUG 2026
Saturday
8 AUG 2026
Low 69° Low 69° Low 69° Low 68° Low 68°
High 83° High 81° High 78° High 78° High 79°
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
Partly Cloudy
Partly Cloudy
Overcast
2% Rain
Mostly Cloudy
2% Rain
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