COSTA MESA, CA 92626 Weather Forecast & Current Conditions

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SANTA ANA, CA
Current Weather

4:53 AM PDT JUL 23, 2026
Clear
70°F
Feels Like: 70°F
Dewpoint: 64°F
Rel. Hum.: 81%
Visibility: 10 miles
Wind: Calm
Pressure: 29.87 inches
Last 72 hours

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COSTA MESA, CA 92626
Weather Forecast

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TODAY
Patchy fog this morning. Mostly sunny. Highs 78 to 83 at the beaches to 85 to 90 farther inland and near higher coastal terrain. Light winds becoming west 10 to 15 mph this afternoon.
TONIGHT
Mostly clear. Lows around 70. Areas of winds west 10 mph in the evening becoming light.
FRIDAY
Partly cloudy in the morning...becoming mostly sunny. Highs 77 to 82 at the beaches to 84 to 89 farther inland and near higher coastal terrain. Areas of winds south to 10 mph.
FRIDAY NIGHT
Mostly clear in the evening...becoming partly cloudy overnight with patchy fog. Lows around 70. Areas of winds south 10 mph in the evening becoming light.
SATURDAY
Partly cloudy with patchy fog in the morning... Becoming mostly sunny. Highs 78 to 83 at the beaches to 85 to 90 farther inland and near higher coastal terrain. Light winds becoming southwest 10 mph in the afternoon.
SATURDAY NIGHT
Mostly clear in the evening...becoming partly cloudy overnight with patchy fog. Lows 68 to 72.
SUNDAY
Patchy fog in the morning. Partly cloudy. Highs 78 to 83 at the beaches to 85 to 90 farther inland and near higher coastal terrain.
SUNDAY NIGHT
Mostly clear in the evening...becoming partly cloudy. Lows 66 to 70.
MONDAY
Partly cloudy. Highs 75 to 80 at the beaches to 82 to 87 farther inland and near higher coastal terrain.
MONDAY NIGHT
Mostly clear in the evening...becoming partly cloudy. Lows 66 to 69.
TUESDAY
Partly cloudy. Highs 75 to 79 at the beaches to 81 to 86 farther inland and near higher coastal terrain.
TUESDAY NIGHT
Mostly clear in the evening...becoming partly cloudy. Lows 65 to 69.
WEDNESDAY
Partly cloudy. Highs 74 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 PM PDT  7/22/2026
Thursday
23 JUL 2026
COSTA MESA, CA 92626 weather forecast Day 1, 0 hours 11 PM 71° 71° Clear 0%

0% Thunder
( 0% severe)
S   7 79% 64°
Low 69° COSTA MESA, CA 92626 weather forecast Day 1, 3 hours 2 AM 70° 70° Clear SSE   6 81% 64°
High 85° COSTA MESA, CA 92626 weather forecast Day 1, 6 hours 5 AM 70° 70° Partly Cloudy 1%

0% Thunder
( 0% severe)
SSE   3 81% 64°

Partly Cloudy



COSTA MESA, CA 92626 weather forecast Day 1, 9 hours 8 AM 72° 72° Partly Cloudy   CALM 79% 65°
COSTA MESA, CA 92626 weather forecast Day 1, 12 hours 11 AM 81° 83° Clear 1%

0% Thunder
( 1% severe)
SW   5 60% 66°
COSTA MESA, CA 92626 weather forecast Day 1, 15 hours 2 PM 84° 86° Clear WSW   12 53% 65°
COSTA MESA, CA 92626 weather forecast Day 1, 18 hours 5 PM 83° 85° Clear 2%

0% Thunder
( 1% severe)
WSW   10 55% 65°
COSTA MESA, CA 92626 weather forecast Day 1, 21 hours 8 PM 76° 78° Clear SW   7 66% 64°
Friday
24 JUL 2026
COSTA MESA, CA 92626 weather forecast Day 2, 0 hours 11 PM 71° 71° Clear 2%

0% Thunder
( 1% severe)
SSW   5 81% 65°
Low 70° COSTA MESA, CA 92626 weather forecast Day 2, 3 hours 2 AM 71° 71° Clear SSW   3 81% 65°
High 84° COSTA MESA, CA 92626 weather forecast Day 2, 6 hours 5 AM 71° 71° Clear 0%

0% Thunder
( 1% severe)
S   3 81% 65°

Partly Cloudy



COSTA MESA, CA 92626 weather forecast Day 2, 9 hours 8 AM 73° 73° Partly Cloudy S   5 79% 66°
COSTA MESA, CA 92626 weather forecast Day 2, 12 hours 11 AM 81° 84° Partly Cloudy 0%

0% Thunder
( 1% severe)
SSW   7 63% 67°
COSTA MESA, CA 92626 weather forecast Day 2, 15 hours 2 PM 83° 85° Clear SSW   9 57% 66°
COSTA MESA, CA 92626 weather forecast Day 2, 18 hours 5 PM 81° 83° Clear 0%

0% Thunder
( 0% severe)
SSW   8 58% 65°
COSTA MESA, CA 92626 weather forecast Day 2, 21 hours 8 PM 74° 74° Clear SSW   7 74% 65°

SANTA ANA, CA extended weather forecast

Saturday
25 JUL 2026
Sunday
26 JUL 2026
Monday
27 JUL 2026
Tuesday
28 JUL 2026
Wednesday
29 JUL 2026
Low 72° Low 72° Low 72° Low 72° Low 71°
High 85° High 83° High 85° High 83° High 82°
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
Partly Cloudy
10% Rain
Mostly Cloudy
3% Rain
Partly Cloudy
3% Rain
Partly Cloudy
3% Rain
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