COSTA MESA, CA 92626 Weather Forecast & Current Conditions

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SANTA ANA, CA
Current Weather

9:53 AM PDT AUG 7, 2026
Broken Clouds
73°F
Feels Like: 73°F
Dewpoint: 66°F
Rel. Hum.: 79%
Visibility: 10 miles
Wind: WSW at 3 mph
Pressure: 30.01 inches
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COSTA MESA, CA 92626
Weather Forecast

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Snow Depth pages
TODAY
Partly cloudy this morning...becoming mostly sunny. Highs 76 to 79 at the beaches to 81 to 86 farther inland and near higher coastal terrain. Light winds becoming southwest 10 mph this afternoon.
TONIGHT
Mostly clear in the evening...becoming partly cloudy overnight with patchy fog. Lows 66 to 69. Areas of winds west 10 mph in the evening becoming light.
SATURDAY
Partly cloudy with patchy fog in the morning... Becoming mostly sunny. Highs 76 to 80 at the beaches to 82 to 87 farther inland and near higher coastal terrain. Areas of winds northwest to 10 mph.
SATURDAY NIGHT
Mostly clear in the evening...becoming partly cloudy overnight with patchy fog. Lows 66 to 69. Areas of winds west to 10 mph in the evening becoming light.
SUNDAY
Mostly cloudy with patchy fog in the morning...becoming mostly sunny. Highs 76 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.
SUNDAY NIGHT
Partly cloudy. Patchy fog overnight. Lows 66 to 69.
MONDAY
Mostly cloudy with patchy fog in the morning...becoming mostly sunny. Highs 75 to 79 at the beaches to 81 to 85 farther inland and near higher coastal terrain.
MONDAY NIGHT
Mostly clear in the evening...becoming partly cloudy. Lows 66 to 69.
TUESDAY
Mostly cloudy in the morning...becoming partly cloudy. Highs 75 to 79 at the beaches to 80 to 85 farther inland and near higher coastal terrain.
TUESDAY NIGHT
Partly cloudy. Lows 66 to 69.
WEDNESDAY
Mostly cloudy in the morning...becoming mostly sunny. Highs 75 to 78 at the beaches to 79 to 84 farther inland and near higher coastal terrain.
WEDNESDAY NIGHT
Mostly clear in the evening...becoming partly cloudy. Lows 65 to 68.
THURSDAY
Mostly cloudy in the morning...becoming partly cloudy. Highs 74 to 77 at the beaches to 78 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/ 7/2026
Friday
7 AUG 2026
COSTA MESA, CA 92626 weather forecast Day 1, 12 hours 11 AM 80° 82° Partly Cloudy 1%

0% Thunder
( 0% severe)
SW   6 62% 66°
High 83° COSTA MESA, CA 92626 weather forecast Day 1, 15 hours 2 PM 82° 84° Clear SW   9 55% 64°
Clear



COSTA MESA, CA 92626 weather forecast Day 1, 18 hours 5 PM 81° 82° Clear 1%

0% Thunder
( 0% severe)
SW   9 54% 63°
COSTA MESA, CA 92626 weather forecast Day 1, 21 hours 8 PM 74° 74° Clear WSW   7 69% 63°
Saturday
8 AUG 2026
COSTA MESA, CA 92626 weather forecast Day 2, 0 hours 11 PM 71° 71° Partly Cloudy 1%

0% Thunder
( 0% severe)
SW   5 81% 65°
Low 70° COSTA MESA, CA 92626 weather forecast Day 2, 3 hours 2 AM 70° 70° Partly Cloudy   CALM 84% 65°
High 83° 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 72° 72° Mostly Cloudy   CALM 76% 64°
COSTA MESA, CA 92626 weather forecast Day 2, 12 hours 11 AM 81° 83° Partly Cloudy 0%

0% Thunder
( 0% severe)
WSW   6 58% 65°
COSTA MESA, CA 92626 weather forecast Day 2, 15 hours 2 PM 83° 84° Clear WSW   10 53% 64°
COSTA MESA, CA 92626 weather forecast Day 2, 18 hours 5 PM 82° 84° Clear 0%

0% Thunder
( 0% severe)
WSW   10 55% 64°
COSTA MESA, CA 92626 weather forecast Day 2, 21 hours 8 PM 74° 74° Clear WSW   7 76% 66°
Sunday
9 AUG 2026
COSTA MESA, CA 92626 weather forecast Day 3, 0 hours 11 PM 71° 71° Partly Cloudy 0%

0% Thunder
( 0% severe)
SSW   6 84% 66°
Low 69° COSTA MESA, CA 92626 weather forecast Day 3, 3 hours 2 AM 70° 70° Partly Cloudy   CALM 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   CALM 81% 66°
COSTA MESA, CA 92626 weather forecast Day 3, 15 hours 11 AM 81° 84° Partly Cloudy 0%

0% Thunder
( 0% severe)
SW   5 63% 67°
COSTA MESA, CA 92626 weather forecast Day 3, 18 hours 2 PM 83° 85° Clear SW   9 57% 66°
COSTA MESA, CA 92626 weather forecast Day 3, 21 hours 5 PM 81° 83° Clear     WSW   8 60% 66°

SANTA ANA, CA extended weather forecast

Monday
10 AUG 2026
Tuesday
11 AUG 2026
Wednesday
12 AUG 2026
Thursday
13 AUG 2026
Friday
14 AUG 2026
Low 69° Low 69° Low 70° Low 69° Low 68°
High 80° High 83° High 83° High 80° High 83°
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
Mostly Cloudy
1% Rain
Overcast
3% Rain
Overcast
5% Rain
Partly Cloudy
7% Rain
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