COSTA MESA, CA 92626 Weather Forecast & Current Conditions

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SANTA ANA, CA
Current Weather

12:53 AM PDT JUL 5, 2026
Clear
66°F
Feels Like: 66°F
Dewpoint: 63°F
Rel. Hum.: 90%
Visibility: 8 miles
Wind: Variable at 3 mph
Pressure: 29.98 inches
Last 72 hours

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COSTA MESA, CA 92626
Weather Forecast

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Snow Depth pages
TODAY
Partly cloudy this morning...becoming mostly sunny. Highs 74 to 79 at the beaches to 79 to 84 farther inland and near higher coastal terrain. Light winds becoming west 10 to 15 mph this afternoon.
TONIGHT
Mostly clear in the evening...becoming mostly cloudy overnight with patchy fog. Lows 61 to 65. Areas of winds west 10 mph in the evening becoming light.
MONDAY
Partly cloudy in the morning...becoming mostly sunny. Highs 73 to 78 at the beaches to 78 to 82 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 overnight with patchy fog. Lows 60 to 64. Areas of winds west 10 mph in the evening becoming light.
TUESDAY
Mostly cloudy with patchy fog in the morning... Becoming partly cloudy. Highs 72 to 75 at the beaches to 76 to 80 farther inland and near higher coastal terrain. Light winds becoming southwest 10 mph in the afternoon.
TUESDAY NIGHT
Mostly clear in the evening...becoming mostly cloudy overnight with patchy fog. Lows 60 to 64.
WEDNESDAY
Mostly cloudy with patchy fog in the morning... Becoming partly cloudy. Highs 73 to 78 at the beaches to 78 to 83 farther inland and near higher coastal terrain.
WEDNESDAY NIGHT
Mostly clear in the evening...becoming partly cloudy. Lows 62 to 66.
THURSDAY
Partly cloudy. Highs 73 to 76 at the beaches to 77 to 82 farther inland and near higher coastal terrain.
THURSDAY NIGHT
Mostly clear in the evening...becoming partly cloudy. Lows 62 to 66.
FRIDAY
Partly cloudy. Highs 71 to 75 at the beaches to 75 to 79 farther inland and near higher coastal terrain.
FRIDAY NIGHT
Mostly clear in the evening...becoming partly cloudy. Lows 62 to 65.
SATURDAY
Mostly cloudy in the morning...becoming partly cloudy. Highs 71 to 75 at the beaches to 75 to 79 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/ 4/2026
Sunday
5 JUL 2026
COSTA MESA, CA 92626 weather forecast Day 1, 0 hours 11 PM 66° 66° Mostly Cloudy 0%

0% Thunder
( 0% severe)
WSW   7 78% 59°
Low 65° COSTA MESA, CA 92626 weather forecast Day 1, 3 hours 2 AM 67° 67° Partly Cloudy SW   3 75% 59°
High 76° COSTA MESA, CA 92626 weather forecast Day 1, 6 hours 5 AM 67° 67° Mostly Cloudy 1%

0% Thunder
( 0% severe)
WSW   2 75% 59°

Mostly Cloudy



COSTA MESA, CA 92626 weather forecast Day 1, 9 hours 8 AM 67° 67° Mostly Cloudy   CALM 73% 58°
COSTA MESA, CA 92626 weather forecast Day 1, 12 hours 11 AM 74° 74° Partly Cloudy 0%

0% Thunder
( 0% severe)
WSW   9 59% 59°
COSTA MESA, CA 92626 weather forecast Day 1, 15 hours 2 PM 76° 78° Partly Cloudy WSW   13 54% 58°
COSTA MESA, CA 92626 weather forecast Day 1, 18 hours 5 PM 75° 75° Partly Cloudy 1%

0% Thunder
( 0% severe)
WSW   12 55% 58°
COSTA MESA, CA 92626 weather forecast Day 1, 21 hours 8 PM 69° 69° Partly Cloudy WSW   9 70% 59°
Monday
6 JUL 2026
COSTA MESA, CA 92626 weather forecast Day 2, 0 hours 11 PM 66° 66° Partly Cloudy 1%

0% Thunder
( 0% severe)
SW   7 81% 60°
Low 65° COSTA MESA, CA 92626 weather forecast Day 2, 3 hours 2 AM 66° 66° Partly Cloudy WSW   5 81% 60°
High 76° COSTA MESA, CA 92626 weather forecast Day 2, 6 hours 5 AM 66° 66° Mostly Cloudy 0%

0% Thunder
( 0% severe)
  CALM 81% 60°

Decreasing Clouds



COSTA MESA, CA 92626 weather forecast Day 2, 9 hours 8 AM 67° 67° Mostly Cloudy SSW   2 75% 59°
COSTA MESA, CA 92626 weather forecast Day 2, 12 hours 11 AM 73° 73° Partly Cloudy 0%

0% Thunder
( 0% severe)
SW   8 62% 59°
COSTA MESA, CA 92626 weather forecast Day 2, 15 hours 2 PM 76° 78° Clear WSW   10 56% 59°
COSTA MESA, CA 92626 weather forecast Day 2, 18 hours 5 PM 75° 75° Clear 0%

0% Thunder
( 0% severe)
WSW   10 58% 59°
COSTA MESA, CA 92626 weather forecast Day 2, 21 hours 8 PM 69° 69° Clear WSW   8 73% 60°

SANTA ANA, CA extended weather forecast

Tuesday
7 JUL 2026
Wednesday
8 JUL 2026
Thursday
9 JUL 2026
Friday
10 JUL 2026
Saturday
11 JUL 2026
Low 67° Low 67° Low 67° Low 68° Low 68°
High 77° High 81° High 77° High 78° High 76°
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
1% Rain
Partly Cloudy
2% Rain
Partly Cloudy
2% Rain
Overcast
1% Rain
Overcast
2% Rain
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