COSTA MESA, CA 92626 Weather Forecast & Current Conditions

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SANTA ANA, CA
Current Weather

9:53 PM PDT SEP 9, 2026
Few Clouds
82°F
Feels Like: 85°F
Dewpoint: 68°F
Rel. Hum.: 63%
Visibility: 10 miles
Wind: Calm
Pressure: 29.91 inches
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COSTA MESA, CA 92626
Weather Forecast

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TONIGHT
Mostly clear this evening...becoming partly cloudy. Lows 71 to 74. Areas of winds south to 10 mph.
THURSDAY
Mostly sunny. Highs 80 to 85 at the beaches to 87 to 92 farther inland and near higher coastal terrain. Areas of winds south 10 mph.
THURSDAY NIGHT
Mostly clear. Lows around 70. Areas of winds south 10 mph.
FRIDAY
Mostly sunny. Highs 77 to 81 at the beaches to 82 to 86 farther inland and near higher coastal terrain. Areas of winds south 10 mph.
FRIDAY NIGHT
Mostly clear in the evening...becoming partly cloudy overnight with patchy fog. Lows 64 to 68. Areas of winds south 10 mph.
SATURDAY
Patchy fog in the morning. Partly cloudy. Highs 75 to 78 at the beaches to 78 to 82 farther inland and near higher coastal terrain.
SATURDAY NIGHT
Mostly clear. Lows 62 to 66.
SUNDAY
Partly cloudy in the morning...becoming mostly sunny. Highs 74 to 77 at the beaches to 77 to 81 farther inland and near higher coastal terrain.
SUNDAY NIGHT
Mostly clear. Lows 61 to 66.
MONDAY
Partly cloudy in the morning...becoming mostly sunny. Highs 73 to 76 at the beaches to 76 to 80 farther inland and near higher coastal terrain.
MONDAY NIGHT
Mostly clear. Lows 60 to 64.
TUESDAY
Partly cloudy in the morning...becoming mostly sunny. Highs 73 to 78.
TUESDAY NIGHT
Mostly clear. Lows 59 to 63.

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

SANTA ANA, CA 3 hourly weather forecast

weather forecast created  5:00 PM PDT  9/ 9/2026
Thursday
10 SEP 2026
COSTA MESA, CA 92626 weather forecast Day 1, 0 hours 11 PM 78° 80° Clear 3%

0% Thunder
( 9% severe)
S   7 74% 69°
Low 74° COSTA MESA, CA 92626 weather forecast Day 1, 3 hours 2 AM 76° 77° Clear S   7 82% 70°
High 88° COSTA MESA, CA 92626 weather forecast Day 1, 6 hours 5 AM 75° 75° Clear 2%

0% Thunder
( 5% severe)
SSE   6 84% 70°

Clear



COSTA MESA, CA 92626 weather forecast Day 1, 9 hours 8 AM 77° 79° Partly Cloudy SE   7 79% 70°
COSTA MESA, CA 92626 weather forecast Day 1, 12 hours 11 AM 85° 90° Clear 2%

0% Thunder
( 7% severe)
S   8 61% 70°
COSTA MESA, CA 92626 weather forecast Day 1, 15 hours 2 PM 87° 91° Clear SSW   8 55% 69°
COSTA MESA, CA 92626 weather forecast Day 1, 18 hours 5 PM 84° 88° Clear 3%

0% Thunder
( 4% severe)
SSW   7 63% 70°
COSTA MESA, CA 92626 weather forecast Day 1, 21 hours 8 PM 76° 77° Clear S   6 85% 71°
Friday
11 SEP 2026
COSTA MESA, CA 92626 weather forecast Day 2, 0 hours 11 PM 74° 74° Clear 2%

0% Thunder
( 0% severe)
S   10 87% 70°
Low 72° COSTA MESA, CA 92626 weather forecast Day 2, 3 hours 2 AM 73° 73° Clear SSE   8 93% 71°
High 83° COSTA MESA, CA 92626 weather forecast Day 2, 6 hours 5 AM 73° 73° Clear 0%

0% Thunder
( 0% severe)
SSE   7 90% 70°

Clear



COSTA MESA, CA 92626 weather forecast Day 2, 9 hours 8 AM 75° 75° Clear SSE   8 84% 70°
COSTA MESA, CA 92626 weather forecast Day 2, 12 hours 11 AM 82° 86° Clear 1%

0% Thunder
( 0% severe)
S   13 67% 70°
COSTA MESA, CA 92626 weather forecast Day 2, 15 hours 2 PM 83° 87° Clear SSW   10 63% 69°
COSTA MESA, CA 92626 weather forecast Day 2, 18 hours 5 PM 80° 83° Clear 0%

0% Thunder
( 0% severe)
SSW   8 72% 70°
COSTA MESA, CA 92626 weather forecast Day 2, 21 hours 8 PM 73° 73° Partly Cloudy S   6 93% 71°

SANTA ANA, CA extended weather forecast

BAD DAY
BAD DATE
BAD DAY
BAD DATE
BAD DAY
BAD DATE
BAD DAY
BAD DATE
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BAD DATE
Low 74° Low 70° Low 68° Low 69° Low 67°
High 83° High 81° High 79° High 78° High 78°
COSTA MESA, CA 92626 weather forecast Day 3 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
Mostly Cloudy
Overcast
2% Rain
Mostly Cloudy
3% Rain
Mostly Cloudy
5% Rain
Partly Cloudy
4% Rain
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