COSTA MESA, CA 92626 Weather Forecast & Current Conditions

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SANTA ANA, CA
Current Weather

4:53 AM PST JAN 8, 2026
Clear
48°F
Feels Like: 48°F
Dewpoint: 45°F
Rel. Hum.: 89%
Visibility: 10 miles
Wind: Calm
Pressure: 30.02 inches
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COSTA MESA, CA 92626
Weather Forecast

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TODAY
Mostly sunny. Highs around 63. Areas of winds northwest 10 to 20 mph. Gusts to 30 mph...becoming 35 mph this afternoon.
TONIGHT
Clear. Lows 44 to 47. Areas of winds northeast 15 to 25 mph. Gusts to 35 mph...becoming 40 mph overnight.
FRIDAY
Mostly sunny. Highs 63 to 66. Areas of winds northeast 15 to 25 mph with gusts to 40 mph.
FRIDAY NIGHT
Mostly clear. Lows around 46. Areas of winds north 10 to 20 mph with gusts to 30 mph.
SATURDAY
Mostly sunny. Highs 67 to 72. Areas of winds north 10 to 15 mph becoming east in the afternoon.
SATURDAY NIGHT
Clear. Lows around 50.
SUNDAY
Mostly sunny. Highs 68 to 72.
SUNDAY NIGHT
Mostly clear. Lows around 52.
MONDAY
Mostly sunny. Highs around 70 at the beaches to 72 farther inland and near higher coastal terrain.
MONDAY NIGHT
Mostly clear. Lows around 52.
TUESDAY
Mostly sunny. Highs 70 to 75.
TUESDAY NIGHT
Mostly clear. Lows around 53.
WEDNESDAY
Mostly sunny. Highs 71 to 76.

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 PM PST  1/ 7/2026
Thursday
8 JAN 2026
COSTA MESA, CA 92626 weather forecast Day 1, 0 hours 10 PM 56° 56° Partly Cloudy 1%

0% Thunder
( 0% severe)
SSE   3 83% 51°
Low 49° COSTA MESA, CA 92626 weather forecast Day 1, 3 hours 1 AM 53° 53° Partly Cloudy SW   2 86% 49°
High 63° COSTA MESA, CA 92626 weather forecast Day 1, 6 hours 4 AM 51° 51° Partly Cloudy 0%

0% Thunder
( 1% severe)
SW   2 86% 47°

Partly Cloudy



COSTA MESA, CA 92626 weather forecast Day 1, 9 hours 7 AM 50° 48° Partly Cloudy W   5 83% 45°
COSTA MESA, CA 92626 weather forecast Day 1, 12 hours 10 AM 57° 55° Clear 0%

0% Thunder
( 0% severe)
WNW   10 57% 42°
COSTA MESA, CA 92626 weather forecast Day 1, 15 hours 1 PM 61° 59° Clear WNW   13 41% 37°
COSTA MESA, CA 92626 weather forecast Day 1, 18 hours 4 PM 61° 60° Clear 0%

0% Thunder
( 0% severe)
W   9 39% 36°
COSTA MESA, CA 92626 weather forecast Day 1, 21 hours 7 PM 55° 53° Clear NNW   8 51% 37°
Friday
9 JAN 2026
COSTA MESA, CA 92626 weather forecast Day 2, 0 hours 10 PM 52° 50° Clear 0%

0% Thunder
( 0% severe)
NE   7 46% 32°
Low 45° COSTA MESA, CA 92626 weather forecast Day 2, 3 hours 1 AM 49° 45° Clear NE   8 44% 28°
High 64° COSTA MESA, CA 92626 weather forecast Day 2, 6 hours 4 AM 48° 44° Clear 0%

0% Thunder
( 0% severe)
NE   9 42% 26°

Clear



COSTA MESA, CA 92626 weather forecast Day 2, 9 hours 7 AM 48° 44° Clear NE   9 38% 24°
COSTA MESA, CA 92626 weather forecast Day 2, 12 hours 10 AM 57° 55° Partly Cloudy 0%

0% Thunder
( 0% severe)
NE   9 30% 26°
COSTA MESA, CA 92626 weather forecast Day 2, 15 hours 1 PM 62° 61° Clear NNE   9 26% 27°
COSTA MESA, CA 92626 weather forecast Day 2, 18 hours 4 PM 62° 62° Partly Cloudy 0%

0% Thunder
( 0% severe)
N   7 30% 30°
COSTA MESA, CA 92626 weather forecast Day 2, 21 hours 7 PM 56° 54° Partly Cloudy NNE   7 40% 32°

SANTA ANA, CA extended weather forecast

Saturday
10 JAN 2026
Sunday
11 JAN 2026
Monday
12 JAN 2026
Tuesday
13 JAN 2026
Wednesday
14 JAN 2026
Low 45° Low 47° Low 51° Low 52° Low 51°
High 73° High 77° High 75° High 76° High 77°
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
Clear
1% Rain
Clear
1% Rain
Clear
2% Rain
Clear
Clear
3% Rain
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