COSTA MESA, CA 92626 Weather Forecast & Current Conditions

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SANTA ANA, CA
Current Weather

1:53 AM PDT JUL 8, 2026
Overcast
66°F
Feels Like: 66°F
Dewpoint: 63°F
Rel. Hum.: 90%
Visibility: 10 miles
Wind: S at 3 mph
Pressure: 29.94 inches
Last 72 hours

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COSTA MESA, CA 92626
Weather Forecast

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Snow Depth pages
TODAY
Partly cloudy with patchy fog this morning...becoming mostly sunny. Highs 73 to 78 at the beaches to 78 to 83 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 62 to 66. Areas of winds southwest 10 mph in the evening becoming light.
THURSDAY
Partly cloudy in the morning...becoming mostly sunny. Hazy and patchy fog in the morning. Highs 74 to 77 at the beaches to 77 to 82 farther inland and near higher coastal terrain. Areas of winds south to 10 mph.
THURSDAY NIGHT
Mostly clear in the evening...becoming partly cloudy overnight with patchy fog. Lows 62 to 66. Areas of winds south 10 mph.
FRIDAY
Partly cloudy with patchy fog in the morning...becoming mostly sunny. Highs 72 to 76 at the beaches to 76 to 81 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 62 to 66.
SATURDAY
Mostly cloudy with patchy fog in the morning... Becoming partly cloudy. Highs 72 to 76 at the beaches to 76 to 80 farther inland and near higher coastal terrain.
SATURDAY NIGHT
Partly cloudy in the evening...becoming mostly cloudy. Lows 63 to 67.
SUNDAY
Mostly cloudy. A slight chance of showers in the morning. Highs 73 to 76 at the beaches to 77 to 81 farther inland and near higher coastal terrain.
SUNDAY NIGHT
Partly cloudy. A slight chance of showers overnight. Lows 64 to 68.
MONDAY
Partly cloudy. Highs 74 to 78 at the beaches to 78 to 83 farther inland and near higher coastal terrain.
MONDAY NIGHT
Mostly clear in the evening...becoming partly cloudy. Lows 65 to 68.
TUESDAY
Partly cloudy. Highs 76 to 80 at the beaches to 80 to 85 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/ 7/2026
Wednesday
8 JUL 2026
COSTA MESA, CA 92626 weather forecast Day 1, 0 hours 11 PM 67° 67° Partly Cloudy 0%

0% Thunder
( 0% severe)
SSW   7 81% 61°
Low 64° COSTA MESA, CA 92626 weather forecast Day 1, 3 hours 2 AM 66° 66° Partly Cloudy S   5 81% 60°
High 79° COSTA MESA, CA 92626 weather forecast Day 1, 6 hours 5 AM 65° 65° Partly Cloudy 0%

0% Thunder
( 0% severe)
  CALM 84% 60°

Partly Cloudy



COSTA MESA, CA 92626 weather forecast Day 1, 9 hours 8 AM 67° 67° Partly Cloudy S   3 78% 60°
COSTA MESA, CA 92626 weather forecast Day 1, 12 hours 11 AM 76° 78° Clear 0%

0% Thunder
( 0% severe)
SW   7 60% 61°
COSTA MESA, CA 92626 weather forecast Day 1, 15 hours 2 PM 79° 80° Clear SW   9 54% 61°
COSTA MESA, CA 92626 weather forecast Day 1, 18 hours 5 PM 78° 80° Clear 0%

0% Thunder
( 0% severe)
WSW   9 56% 61°
COSTA MESA, CA 92626 weather forecast Day 1, 21 hours 8 PM 71° 71° Clear SW   7 71% 61°
Thursday
9 JUL 2026
COSTA MESA, CA 92626 weather forecast Day 2, 0 hours 11 PM 68° 68° Partly Cloudy 0%

0% Thunder
( 0% severe)
S   6 78% 61°
Low 66° COSTA MESA, CA 92626 weather forecast Day 2, 3 hours 2 AM 66° 66° Partly Cloudy SSE   6 84% 61°
High 79° COSTA MESA, CA 92626 weather forecast Day 2, 6 hours 5 AM 67° 67° Mostly Cloudy 0%

0% Thunder
( 0% severe)
SE   3 81% 61°

Decreasing Clouds



COSTA MESA, CA 92626 weather forecast Day 2, 9 hours 8 AM 68° 68° Partly Cloudy S   3 76% 60°
COSTA MESA, CA 92626 weather forecast Day 2, 12 hours 11 AM 77° 79° Partly Cloudy 1%

0% Thunder
( 0% severe)
SSW   7 58% 61°
COSTA MESA, CA 92626 weather forecast Day 2, 15 hours 2 PM 79° 80° Clear SSW   9 54% 61°
COSTA MESA, CA 92626 weather forecast Day 2, 18 hours 5 PM 78° 80° Clear 0%

0% Thunder
( 0% severe)
SSW   8 56% 61°
COSTA MESA, CA 92626 weather forecast Day 2, 21 hours 8 PM 71° 71° Clear S   7 71% 61°

SANTA ANA, CA extended weather forecast

Friday
10 JUL 2026
Saturday
11 JUL 2026
Sunday
12 JUL 2026
Monday
13 JUL 2026
Tuesday
14 JUL 2026
Low 67° Low 69° Low 69° Low 68° Low 69°
High 75° High 79° High 80° High 81° High 85°
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
Overcast
Overcast
Overcast
Overcast
1% Rain
Mostly Cloudy
4% Rain
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