COSTA MESA, CA 92626 Weather Forecast & Current Conditions

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SANTA ANA, CA
Current Weather

8:53 AM PDT MAY 31, 2026
Overcast
64°F
Feels Like: 65°F
Dewpoint: 57°F
Rel. Hum.: 78%
Visibility: 10 miles
Wind: W at 5 mph
Pressure: 29.94 inches
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COSTA MESA, CA 92626
Weather Forecast

Snowfall Forecast pages
Snow Depth pages
TODAY
Mostly sunny. Highs 68 to 73. Light winds becoming southwest 10 to 15 mph with gusts to 25 mph this afternoon.
TONIGHT
Mostly clear in the evening...becoming partly cloudy overnight with patchy fog. Lows 56 to 60. Areas of winds southwest 10 mph becoming southeast overnight.
SUNDAY
Partly cloudy with patchy fog in the morning...becoming mostly sunny. Highs 68 to 72 at the beaches to 74 to 78 farther inland and near higher coastal terrain. Areas of winds south 10 to 15 mph.
SUNDAY NIGHT
Mostly clear in the evening...becoming partly cloudy overnight with patchy fog. Lows around 60. Areas of winds southwest 10 mph becoming southeast overnight.
MONDAY
Patchy fog in the morning. Partly cloudy. Highs 68 to 72 at the beaches to 72 to 77 farther inland and near higher coastal terrain. Areas of winds south 10 mph.
MONDAY NIGHT
Partly cloudy. Patchy fog overnight. Lows 56 to 60.
TUESDAY
Patchy fog in the morning. Partly cloudy. Highs 69 to 72 at the beaches to 72 to 76 farther inland and near higher coastal terrain.
TUESDAY NIGHT
Mostly clear in the evening...becoming partly cloudy overnight with patchy fog. Lows around 60.
WEDNESDAY
Mostly cloudy with patchy fog in the morning... Becoming partly cloudy. Highs 69 to 72 at the beaches to 72 to 76 farther inland and near higher coastal terrain.
WEDNESDAY NIGHT
Mostly clear in the evening...becoming partly cloudy. Lows around 60.
THURSDAY
Partly cloudy. Highs 70 to 73 at the beaches to 73 to 77 farther inland and near higher coastal terrain.
THURSDAY NIGHT
Mostly clear in the evening...becoming partly cloudy. Lows around 60.
FRIDAY
Partly cloudy. Highs 69 to 74.

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 AM PDT  5/31/2026
Sunday
31 MAY 2026
COSTA MESA, CA 92626 weather forecast Day 1, 12 hours 11 AM 73° 73° Partly Cloudy 1%

0% Thunder
( 0% severe)
SW   7 57% 57°
High 77° COSTA MESA, CA 92626 weather forecast Day 1, 15 hours 2 PM 76° 78° Clear SW   10 52% 57°
Clear



COSTA MESA, CA 92626 weather forecast Day 1, 18 hours 5 PM 75° 75° Clear 1%

0% Thunder
( 0% severe)
WSW   9 54% 57°
COSTA MESA, CA 92626 weather forecast Day 1, 21 hours 8 PM 68° 68° Clear SW   6 73% 59°
Monday
1 JUN 2026
COSTA MESA, CA 92626 weather forecast Day 2, 0 hours 11 PM 64° 65° Partly Cloudy 0%

0% Thunder
( 0% severe)
S   3 81% 58°
Low 62° COSTA MESA, CA 92626 weather forecast Day 2, 3 hours 2 AM 62° 63° Mostly Cloudy SSE   3 84% 57°
High 75° COSTA MESA, CA 92626 weather forecast Day 2, 6 hours 5 AM 62° 63° Mostly Cloudy 0%

0% Thunder
( 0% severe)
E   3 84% 57°

Mostly Cloudy



COSTA MESA, CA 92626 weather forecast Day 2, 9 hours 8 AM 65° 65° Mostly Cloudy SSE   3 75% 57°
COSTA MESA, CA 92626 weather forecast Day 2, 12 hours 11 AM 72° 72° Partly Cloudy 1%

0% Thunder
( 0% severe)
SSW   8 57% 56°
COSTA MESA, CA 92626 weather forecast Day 2, 15 hours 2 PM 74° 74° Partly Cloudy SSW   10 55% 57°
COSTA MESA, CA 92626 weather forecast Day 2, 18 hours 5 PM 73° 73° Clear 3%

0% Thunder
( 0% severe)
SSW   9 55% 56°
COSTA MESA, CA 92626 weather forecast Day 2, 21 hours 8 PM 66° 66° Partly Cloudy SSW   7 81% 60°
Tuesday
2 JUN 2026
COSTA MESA, CA 92626 weather forecast Day 3, 0 hours 11 PM 63° 63° Partly Cloudy 0%

0% Thunder
( 0% severe)
SSE   6 84% 58°
Low 61° COSTA MESA, CA 92626 weather forecast Day 3, 3 hours 2 AM 61° 62° Partly Cloudy SSE   3 87% 57°
High 74° COSTA MESA, CA 92626 weather forecast Day 3, 6 hours 5 AM 61° 62° Mostly Cloudy 0%

0% Thunder
( 0% severe)
  CALM 87% 57°

Decreasing Clouds



COSTA MESA, CA 92626 weather forecast Day 3, 9 hours 8 AM 64° 66° Mostly Cloudy   CALM 75% 56°
COSTA MESA, CA 92626 weather forecast Day 3, 15 hours 11 AM 71° 71° Partly Cloudy 0%

0% Thunder
( 0% severe)
SSW   8 59% 56°
COSTA MESA, CA 92626 weather forecast Day 3, 18 hours 2 PM 73° 73° Clear SW   12 55% 56°
COSTA MESA, CA 92626 weather forecast Day 3, 21 hours 5 PM 72° 72° Clear     SW   9 59% 57°

SANTA ANA, CA extended weather forecast

Wednesday
3 JUN 2026
Thursday
4 JUN 2026
Friday
5 JUN 2026
Saturday
6 JUN 2026
Sunday
7 JUN 2026
Low 62° Low 62° Low 64° Low 63° Low 62°
High 74° High 74° High 73° High 72° High 73°
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 <!--SEARCHED_TOWN_NAME--> weather forecast Day 8
Overcast
1% Rain
Overcast
1% Rain
Overcast
4% Rain
Overcast
6% Rain
Overcast
11% Rain
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