COSTA MESA, CA 92626 Weather Forecast & Current Conditions

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SANTA ANA, CA
Current Weather

10:53 AM PDT MAR 23, 2026
Few Clouds
66°F
Feels Like: 66°F
Dewpoint: 57°F
Rel. Hum.: 73%
Visibility: 10 miles
Wind: SSE at 3 mph
Pressure: 29.95 inches
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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 71 to 74 at the beaches to 76 to 80 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 around 57. Areas of winds south to 10 mph.
TUESDAY
Partly cloudy with patchy fog in the morning... Becoming mostly sunny. Highs 73 to 76 at the beaches to 77 to 82 farther inland and near higher coastal terrain. Light winds becoming southwest 10 mph in the afternoon.
TUESDAY NIGHT
Mostly clear in the evening...becoming partly cloudy overnight with patchy fog. Lows around 57. Areas of winds south 10 mph in the evening becoming light.
WEDNESDAY
Partly cloudy with patchy fog in the morning... Becoming mostly sunny. Highs 75 to 78 at the beaches to 79 to 83 farther inland and near higher coastal terrain. Light winds becoming southwest 10 to 15 mph in the afternoon.
WEDNESDAY NIGHT
Mostly clear in the evening...becoming partly cloudy overnight with patchy fog. Lows around 57.
THURSDAY
Partly cloudy with patchy fog in the morning... Becoming mostly sunny. Highs 75 to 78 at the beaches to 80 to 84 farther inland and near higher coastal terrain.
THURSDAY NIGHT
Mostly clear in the evening...becoming partly cloudy overnight with patchy fog. Lows 56 to 59.
FRIDAY
Patchy fog in the morning. Partly cloudy. Highs 76 to 79 at the beaches to 81 to 85 farther inland and near higher coastal terrain.
FRIDAY NIGHT
Partly cloudy. Patchy fog overnight. Lows around 58.
SATURDAY
Patchy fog in the morning. Partly cloudy. Highs around 77 at the beaches to 81 to 85 farther inland and near higher coastal terrain.
SATURDAY NIGHT
Partly cloudy. Patchy fog overnight. Lows around 58.
SUNDAY
Patchy fog in the morning. Partly cloudy. Highs 75 to 78 at the beaches to 79 to 83 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  4:00 AM PST  3/23/2026
Monday
23 MAR 2026
COSTA MESA, CA 92626 weather forecast Day 1, 12 hours 10 AM 69° 69° Partly Cloudy 0%

0% Thunder
( 0% severe)
SW   2 68% 58°
High 75° COSTA MESA, CA 92626 weather forecast Day 1, 15 hours 1 PM 74° 74° Clear SW   7 57% 58°
Partly Cloudy



COSTA MESA, CA 92626 weather forecast Day 1, 18 hours 4 PM 73° 73° Clear 0%

0% Thunder
( 0% severe)
SW   7 55% 56°
COSTA MESA, CA 92626 weather forecast Day 1, 21 hours 7 PM 67° 67° Partly Cloudy SSW   3 75% 59°
Tuesday
24 MAR 2026
COSTA MESA, CA 92626 weather forecast Day 2, 0 hours 10 PM 64° 66° Partly Cloudy 0%

0% Thunder
( 0% severe)
S   1 87% 60°
Low 60° COSTA MESA, CA 92626 weather forecast Day 2, 3 hours 1 AM 62° 63° Partly Cloudy   CALM 93% 60°
High 79° COSTA MESA, CA 92626 weather forecast Day 2, 6 hours 4 AM 60° 61° Partly Cloudy 0%

0% Thunder
( 0% severe)
  CALM 96% 59°

Partly Cloudy



COSTA MESA, CA 92626 weather forecast Day 2, 9 hours 7 AM 62° 63° Partly Cloudy   CALM 87% 58°
COSTA MESA, CA 92626 weather forecast Day 2, 12 hours 10 AM 71° 71° Clear 0%

0% Thunder
( 0% severe)
WSW   2 63% 58°
COSTA MESA, CA 92626 weather forecast Day 2, 15 hours 1 PM 76° 78° Clear SW   7 54% 58°
COSTA MESA, CA 92626 weather forecast Day 2, 18 hours 4 PM 75° 75° Clear 0%

0% Thunder
( 0% severe)
SW   7 52% 56°
COSTA MESA, CA 92626 weather forecast Day 2, 21 hours 7 PM 68° 68° Partly Cloudy SSW   2 73% 59°
Wednesday
25 MAR 2026
COSTA MESA, CA 92626 weather forecast Day 3, 0 hours 10 PM 64° 66° Partly Cloudy 0%

0% Thunder
( 0% severe)
S   1 87% 60°
Low 60° COSTA MESA, CA 92626 weather forecast Day 3, 3 hours 1 AM 62° 63° Partly Cloudy   CALM 90% 59°
High 80° COSTA MESA, CA 92626 weather forecast Day 3, 6 hours 4 AM 61° 62° Partly Cloudy 0%

0% Thunder
( 0% severe)
  CALM 90% 58°

Partly Cloudy



COSTA MESA, CA 92626 weather forecast Day 3, 9 hours 7 AM 62° 63° Partly Cloudy   CALM 81% 56°
COSTA MESA, CA 92626 weather forecast Day 3, 15 hours 10 AM 72° 72° Partly Cloudy 0%

0% Thunder
( 0% severe)
W   2 59% 57°
COSTA MESA, CA 92626 weather forecast Day 3, 18 hours 1 PM 77° 79° Clear WSW   9 48% 56°
COSTA MESA, CA 92626 weather forecast Day 3, 21 hours 4 PM 76° 78° Clear     WSW   9 46% 54°

SANTA ANA, CA extended weather forecast

Thursday
26 MAR 2026
Friday
27 MAR 2026
Saturday
28 MAR 2026
Sunday
29 MAR 2026
Monday
30 MAR 2026
Low 60° Low 62° Low 60° Low 60° Low 59°
High 83° High 82° High 82° High 75° High 68°
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
Mostly Cloudy
2% Rain
Partly Cloudy
2% Rain
Mostly Cloudy
5% Rain
Mostly Cloudy
7% Rain
Mostly Cloudy
13% Rain
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