COSTA MESA, CA 92626 Weather Forecast & Current Conditions

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SANTA ANA, CA
Current Weather

5:53 PM PST FEB 9, 2026
Clear
Light Rain
64°F
Feels Like: 64°F
Dewpoint: 57°F
Rel. Hum.: 78%
Visibility: 10 miles
Wind: Calm
Pressure: 29.92 inches
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COSTA MESA, CA 92626
Weather Forecast

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Snow Depth pages
TONIGHT
Partly cloudy this evening...becoming mostly cloudy. Patchy fog overnight. Lows around 54. Light winds becoming southeast 10 mph overnight.
TUESDAY
Mostly cloudy in the morning...becoming cloudy. Patchy fog. Highs 64 to 69. Areas of winds south 10 to 15 mph.
TUESDAY NIGHT
Cloudy. A chance of showers in the evening, then showers likely overnight. Lows around 55. Areas of winds south 10 to 15 mph. Gusts to 25 mph overnight. Chance of measurable precipitation 70 percent.
WEDNESDAY
Cloudy. Showers likely. Highs 62 to 65. Areas of winds south 10 to 20 mph. Gusts to 30 mph in the morning. Chance of measurable precipitation 60 percent.
WEDNESDAY NIGHT
Partly cloudy in the evening...becoming mostly cloudy. Lows around 49. Areas of winds west 10 mph in the evening becoming light.
THURSDAY
Mostly cloudy in the morning...becoming partly cloudy. Highs 63 to 66.
THURSDAY NIGHT
Partly cloudy. Lows around 49.
FRIDAY
Mostly sunny. Highs 65 to 69.
FRIDAY NIGHT
Clear. Lows around 49.
SATURDAY
Partly cloudy in the morning...becoming mostly sunny. Highs 65 to 69.
SATURDAY NIGHT
Partly cloudy in the evening, then cloudy with a slight chance of showers overnight. Lows around 50.
SUNDAY
Cloudy in the morning...becoming partly cloudy. A chance of showers. Highs 62 to 66.
SUNDAY NIGHT
Showers likely. Lows around 48.

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  2/ 9/2026
Monday
9 FEB 2026
COSTA MESA, CA 92626 weather forecast Day 1, 12 hours 10 AM 68° 68° Partly Cloudy 0%

0% Thunder
( 0% severe)
SSW   1 45% 46°
High 76° COSTA MESA, CA 92626 weather forecast Day 1, 15 hours 1 PM 75° 75° Partly Cloudy SW   6 36% 46°
Mostly Cloudy



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

0% Thunder
( 0% severe)
SW   6 43% 49°
COSTA MESA, CA 92626 weather forecast Day 1, 21 hours 7 PM 65° 65° Mostly Cloudy SSW   3 68% 54°
Tuesday
10 FEB 2026
COSTA MESA, CA 92626 weather forecast Day 2, 0 hours 10 PM 61° 62° Mostly Cloudy 0%

0% Thunder
( 0% severe)
S   2 78% 54°
Low 55° COSTA MESA, CA 92626 weather forecast Day 2, 3 hours 1 AM 58° 59° Mostly Cloudy S   2 87% 54°
High 67° COSTA MESA, CA 92626 weather forecast Day 2, 6 hours 4 AM 57° 58° Mostly Cloudy 2%

0% Thunder
( 0% severe)
SE   2 90% 54°

Mostly Cloudy



COSTA MESA, CA 92626 weather forecast Day 2, 9 hours 7 AM 57° 57° Mostly Cloudy SSE   5 90% 54°
COSTA MESA, CA 92626 weather forecast Day 2, 12 hours 10 AM 62° 61° Mostly Cloudy 4%

0% Thunder
( 0% severe)
SSE   8 78% 55°
COSTA MESA, CA 92626 weather forecast Day 2, 15 hours 1 PM 65° 65° Mostly Cloudy S   12 70% 55°
COSTA MESA, CA 92626 weather forecast Day 2, 18 hours 4 PM 64° 63° Mostly Cloudy 22%
RAIN
<.01 in
0% Thunder
( 4% severe)
S   10 73% 55°
COSTA MESA, CA 92626 weather forecast Day 2, 21 hours 7 PM 62° 61° Mostly Cloudy SSE   9 81% 56°
Wednesday
11 FEB 2026
COSTA MESA, CA 92626 weather forecast Day 3, 0 hours 10 PM 61° 60° Mostly Cloudy 55%
RAIN
***
0% Thunder
( 9% severe)
SSE   8 84% 56°
Low 57° COSTA MESA, CA 92626 weather forecast Day 3, 3 hours 1 AM 60° 59° Mostly Cloudy SSE   8 87% 56°
High 64° COSTA MESA, CA 92626 weather forecast Day 3, 6 hours 4 AM 59° 58° Mostly Cloudy 46%
RAIN
***
0% Thunder
( 5% severe)
S   8 90% 56°

Mostly Cloudy

Chance of Rain

COSTA MESA, CA 92626 weather forecast Day 3, 9 hours 7 AM 58° 57° Overcast S   7 90% 55°
COSTA MESA, CA 92626 weather forecast Day 3, 15 hours 10 AM 60° 59° Mostly Cloudy 34%
RAIN
.5–1 in
0% Thunder
( 4% severe)
SSW   8 81% 54°
COSTA MESA, CA 92626 weather forecast Day 3, 18 hours 1 PM 63° 62° Mostly Cloudy SW   9 70% 53°
COSTA MESA, CA 92626 weather forecast Day 3, 21 hours 4 PM 62° 61° Partly Cloudy     WSW   8 70% 52°

SANTA ANA, CA extended weather forecast

Thursday
12 FEB 2026
Friday
13 FEB 2026
Saturday
14 FEB 2026
Sunday
15 FEB 2026
Monday
16 FEB 2026
Low 51° Low 48° Low 51° Low 52° Low 49°
High 66° High 69° High 65° High 61° High 63°
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
Partly Cloudy
11% Rain
Partly Cloudy
7% Rain
Partly Cloudy
11% Rain
Overcast
45% Rain
Mostly Cloudy
54% Rain
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