COSTA MESA, CA 92626 Weather Forecast & Current Conditions

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SANTA ANA, CA
Current Weather

1:53 AM PDT JUL 11, 2026
Overcast
66°F
Feels Like: 66°F
Dewpoint: 61°F
Rel. Hum.: 84%
Visibility: 10 miles
Wind: E at 5 mph
Pressure: 29.90 inches
Last 72 hours

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COSTA MESA, CA 92626
Weather Forecast

Snowfall Forecast pages
Snow Depth pages
TONIGHT
Partly cloudy this evening...becoming mostly cloudy. Patchy dense fog this evening. Lows 60 to 64. Areas of winds south 10 mph this evening becoming light.
SUNDAY
Mostly cloudy in the morning...becoming mostly sunny. Highs 73 to 77 at the beaches to 77 to 82 farther inland and near higher coastal terrain. Areas of winds west to 10 mph.
SUNDAY NIGHT
Mostly clear in the evening...becoming partly cloudy. Lows 64 to 67. Areas of winds southwest to 10 mph.
MONDAY
Partly cloudy. Highs 74 to 79 at the beaches to 79 to 83 farther inland and near higher coastal terrain. Light winds becoming west 10 mph in the afternoon.
MONDAY NIGHT
Mostly clear in the evening...becoming partly cloudy. Lows 65 to 68. Areas of winds west 10 mph in the evening becoming light.
TUESDAY
Partly cloudy in the morning...becoming mostly sunny. Highs 75 to 80 at the beaches to 80 to 85 farther inland and near higher coastal terrain.
TUESDAY NIGHT
Mostly clear. Lows 65 to 69.
WEDNESDAY
Partly cloudy in the morning...becoming mostly sunny. Highs 78 to 83 at the beaches to 83 to 88 farther inland and near higher coastal terrain.
WEDNESDAY NIGHT
Mostly clear in the evening...becoming partly cloudy. Lows 67 to 71.
THURSDAY
Partly cloudy. Highs 76 to 80 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 66 to 69.
FRIDAY
Partly cloudy. Highs 75 to 79 at the beaches to 79 to 83 farther inland and near higher coastal terrain.
FRIDAY NIGHT
Mostly clear in the evening...becoming partly cloudy. Lows 66 to 69.

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  7/10/2026
Saturday
11 JUL 2026
COSTA MESA, CA 92626 weather forecast Day 1, 0 hours 11 PM 66° 66° Mostly Cloudy 0%

0% Thunder
( 0% severe)
S   5 84% 61°
Low 64° COSTA MESA, CA 92626 weather forecast Day 1, 3 hours 2 AM 65° 65° Mostly Cloudy SSE   3 87% 61°
High 77° COSTA MESA, CA 92626 weather forecast Day 1, 6 hours 5 AM 65° 65° Mostly Cloudy 0%

0% Thunder
( 0% severe)
  CALM 87% 61°

Mostly Cloudy



COSTA MESA, CA 92626 weather forecast Day 1, 9 hours 8 AM 67° 67° Mostly Cloudy S   5 81% 61°
COSTA MESA, CA 92626 weather forecast Day 1, 12 hours 11 AM 74° 74° Mostly Cloudy 2%

0% Thunder
( 0% severe)
S   8 66% 62°
COSTA MESA, CA 92626 weather forecast Day 1, 15 hours 2 PM 77° 79° Partly Cloudy SSW   10 60% 62°
COSTA MESA, CA 92626 weather forecast Day 1, 18 hours 5 PM 75° 75° Partly Cloudy 2%

0% Thunder
( 0% severe)
SSW   8 64% 62°
COSTA MESA, CA 92626 weather forecast Day 1, 21 hours 8 PM 70° 70° Partly Cloudy SSW   7 73% 61°
Sunday
12 JUL 2026
COSTA MESA, CA 92626 weather forecast Day 2, 0 hours 11 PM 67° 67° Mostly Cloudy 2%

0% Thunder
( 1% severe)
SSW   5 84% 62°
Low 67° COSTA MESA, CA 92626 weather forecast Day 2, 3 hours 2 AM 67° 67° Mostly Cloudy SSW   2 84% 62°
High 79° COSTA MESA, CA 92626 weather forecast Day 2, 6 hours 5 AM 68° 68° Mostly Cloudy 2%

0% Thunder
( 4% severe)
ESE   3 81% 62°

Mostly Cloudy



COSTA MESA, CA 92626 weather forecast Day 2, 9 hours 8 AM 68° 68° Mostly Cloudy SSW   3 81% 62°
COSTA MESA, CA 92626 weather forecast Day 2, 12 hours 11 AM 76° 78° Mostly Cloudy 2%

0% Thunder
( 4% severe)
SW   7 64% 63°
COSTA MESA, CA 92626 weather forecast Day 2, 15 hours 2 PM 78° 80° Partly Cloudy WSW   9 60% 63°
COSTA MESA, CA 92626 weather forecast Day 2, 18 hours 5 PM 77° 79° Partly Cloudy 1%

0% Thunder
( 4% severe)
WSW   8 62% 63°
COSTA MESA, CA 92626 weather forecast Day 2, 21 hours 8 PM 71° 71° Partly Cloudy SW   6 76% 63°

SANTA ANA, CA extended weather forecast

Monday
13 JUL 2026
Tuesday
14 JUL 2026
Wednesday
15 JUL 2026
Thursday
16 JUL 2026
Friday
17 JUL 2026
Low 71° Low 69° Low 68° Low 69° Low 68°
High 85° High 86° High 82° High 79° High 80°
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
15% Rain
Partly Cloudy
1% Rain
Partly Cloudy
Partly Cloudy
1% Rain
Overcast
4% Rain
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