COSTA MESA, CA 92626 Weather Forecast & Current Conditions

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SANTA ANA, CA
Current Weather

8:53 AM PDT JUL 29, 2026
Scattered Clouds
72°F
Feels Like: 72°F
Dewpoint: 63°F
Rel. Hum.: 73%
Visibility: 9 miles
Wind: SSE at 5 mph
Pressure: 29.89 inches
Last 72 hours

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COSTA MESA, CA 92626
Weather Forecast

Snowfall Forecast pages
Snow Depth pages
TODAY
Partly cloudy with patchy fog this morning...becoming mostly sunny. Highs 74 to 78 at the beaches to 80 to 84 farther inland and near higher coastal terrain. Areas of winds south 10 mph.
TONIGHT
Partly cloudy in the evening...becoming mostly cloudy overnight with patchy fog. Lows 63 to 67. Areas of winds south 10 mph in the evening becoming light.
THURSDAY
Partly cloudy with patchy fog in the morning... Becoming mostly sunny. Highs 75 to 78 at the beaches to 80 to 85 farther inland and near higher coastal terrain. Light winds becoming southwest 10 mph in the afternoon.
THURSDAY NIGHT
Mostly clear in the evening...becoming partly cloudy overnight with patchy fog. Lows 64 to 68. Areas of winds south 10 mph in the evening becoming light.
FRIDAY
Partly cloudy with patchy fog in the morning...becoming mostly sunny. Highs 77 to 82 at the beaches to 84 to 89 farther inland and near higher coastal terrain. Light winds becoming west 10 mph in the afternoon.
FRIDAY NIGHT
Mostly clear in the evening...becoming partly cloudy overnight with patchy fog. Lows 65 to 68.
SATURDAY
Partly cloudy with patchy fog in the morning... Becoming mostly sunny. Highs 78 to 82 at the beaches to 85 to 90 farther inland and near higher coastal terrain.
SATURDAY NIGHT
Mostly clear. Lows 66 to 70.
SUNDAY
Partly cloudy in the morning...becoming mostly sunny. Highs 77 to 81 at the beaches to 84 to 89 farther inland and near higher coastal terrain.
SUNDAY NIGHT
Mostly clear. Lows 66 to 69.
MONDAY
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.
MONDAY NIGHT
Mostly clear. Lows 64 to 68.
TUESDAY
Partly cloudy in the morning...becoming mostly sunny. Highs 75 to 80 at the beaches to 82 to 87 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  7/28/2026
Wednesday
29 JUL 2026
COSTA MESA, CA 92626 weather forecast Day 1, 0 hours 11 PM 69° 69° Mostly Cloudy 0%

0% Thunder
( 0% severe)
S   5 90% 66°
Low 66° COSTA MESA, CA 92626 weather forecast Day 1, 3 hours 2 AM 68° 68° Mostly Cloudy SSE   6 90% 65°
High 82° COSTA MESA, CA 92626 weather forecast Day 1, 6 hours 5 AM 67° 67° Mostly Cloudy 0%

0% Thunder
( 0% severe)
SE   5 93% 65°

Decreasing Clouds



COSTA MESA, CA 92626 weather forecast Day 1, 9 hours 8 AM 70° 70° Mostly Cloudy ESE   5 84% 65°
COSTA MESA, CA 92626 weather forecast Day 1, 12 hours 11 AM 79° 81° Partly Cloudy 0%

0% Thunder
( 0% severe)
SSW   7 62% 65°
COSTA MESA, CA 92626 weather forecast Day 1, 15 hours 2 PM 81° 83° Clear SSW   9 60% 66°
COSTA MESA, CA 92626 weather forecast Day 1, 18 hours 5 PM 80° 82° Clear 1%

0% Thunder
( 0% severe)
SW   8 60% 65°
COSTA MESA, CA 92626 weather forecast Day 1, 21 hours 8 PM 73° 73° Clear SW   5 76% 65°
Thursday
30 JUL 2026
COSTA MESA, CA 92626 weather forecast Day 2, 0 hours 11 PM 69° 69° Partly Cloudy 0%

0% Thunder
( 0% severe)
S   5 90% 66°
Low 67° COSTA MESA, CA 92626 weather forecast Day 2, 3 hours 2 AM 68° 68° Mostly Cloudy S   3 90% 65°
High 83° COSTA MESA, CA 92626 weather forecast Day 2, 6 hours 5 AM 67° 67° Mostly Cloudy 0%

0% Thunder
( 0% severe)
  CALM 93% 65°

Decreasing Clouds



COSTA MESA, CA 92626 weather forecast Day 2, 9 hours 8 AM 70° 70° Mostly Cloudy   CALM 84% 65°
COSTA MESA, CA 92626 weather forecast Day 2, 12 hours 11 AM 79° 81° Partly Cloudy 0%

0% Thunder
( 0% severe)
SW   5 62% 65°
COSTA MESA, CA 92626 weather forecast Day 2, 15 hours 2 PM 82° 84° Clear SW   9 56% 65°
COSTA MESA, CA 92626 weather forecast Day 2, 18 hours 5 PM 81° 83° Clear 0%

0% Thunder
( 0% severe)
SW   8 58% 65°
COSTA MESA, CA 92626 weather forecast Day 2, 21 hours 8 PM 74° 74° Clear SW   5 74% 65°

SANTA ANA, CA extended weather forecast

Friday
31 JUL 2026
Saturday
1 AUG 2026
Sunday
2 AUG 2026
Monday
3 AUG 2026
Tuesday
4 AUG 2026
Low 67° Low 70° Low 70° Low 70° Low 69°
High 84° High 86° High 81° High 82° High 81°
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
Partly Cloudy
Partly Cloudy
Partly Cloudy
Mostly Cloudy
Mostly Cloudy
2% Rain
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