COSTA MESA, CA 92626 Weather Forecast & Current Conditions

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SANTA ANA, CA
Current Weather

7:53 PM PST DEC 12, 2025
Scattered Clouds
Mist
57°F
Feels Like: 57°F
Dewpoint: 55°F
Rel. Hum.: 93%
Visibility: 5 miles
Wind: Calm
Pressure: 30.02 inches
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COSTA MESA, CA 92626
Weather Forecast

Snowfall Forecast pages
Snow Depth pages
TONIGHT
Partly cloudy this evening...becoming mostly cloudy. Patchy fog. Local visibility one quarter mile or less at times. Lows around 52. Light winds.
SATURDAY
Patchy fog in the morning. Partly cloudy. Local visibility one quarter mile or less at times in the morning. Highs 66 to 69 at the beaches to 70 to 73 farther inland and near higher coastal terrain. Light winds becoming west 10 mph in the afternoon.
SATURDAY NIGHT
Partly cloudy in the evening...becoming mostly cloudy overnight with patchy fog. Lows 51 to 54. Light winds.
SUNDAY
Mostly cloudy with patchy fog in the morning...becoming partly cloudy. Highs around 69 at the beaches to 72 to 75 farther inland and near higher coastal terrain. Light winds becoming west 10 mph in the afternoon.
SUNDAY NIGHT
Mostly clear in the evening...becoming partly cloudy overnight with patchy fog. Lows 51 to 54. Areas of winds northwest 10 mph in the evening becoming light.
MONDAY
Partly cloudy with patchy fog in the morning...becoming mostly sunny. Highs 70 to 73 at the beaches to 74 to 77 farther inland and near higher coastal terrain.
MONDAY NIGHT
Mostly clear in the evening...becoming partly cloudy. Lows 53 to 56.
TUESDAY
Partly cloudy in the morning...becoming mostly sunny. Highs 69 to 72 at the beaches to 73 to 76 farther inland and near higher coastal terrain.
TUESDAY NIGHT
Partly cloudy. Lows around 54.
WEDNESDAY
Mostly cloudy in the morning...becoming partly cloudy. Highs around 68 at the beaches to 70 to 73 farther inland and near higher coastal terrain.
WEDNESDAY NIGHT
Partly cloudy. Lows 53 to 56.
THURSDAY
Mostly cloudy in the morning...becoming partly cloudy. Highs around 70 at the beaches to 71 to 74 farther inland and near higher coastal terrain.
THURSDAY NIGHT
Partly cloudy. Lows 52 to 55.

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 12/12/2025
Friday
12 DEC 2025
COSTA MESA, CA 92626 weather forecast Day 1, 12 hours 10 AM 64° 66° Partly Cloudy 0%

0% Thunder
( 0% severe)
  CALM 67% 53°
High 71° COSTA MESA, CA 92626 weather forecast Day 1, 15 hours 1 PM 70° 70° Partly Cloudy WSW   3 57% 54°
Partly Cloudy



COSTA MESA, CA 92626 weather forecast Day 1, 18 hours 4 PM 67° 67° Partly Cloudy 0%

0% Thunder
( 0% severe)
WSW   3 68% 56°
COSTA MESA, CA 92626 weather forecast Day 1, 21 hours 7 PM 62° 63° Partly Cloudy SW   1 87% 58°
Saturday
13 DEC 2025
COSTA MESA, CA 92626 weather forecast Day 2, 0 hours 10 PM 59° 60° Partly Cloudy 0%

0% Thunder
( 0% severe)
S   1 90% 56°
Low 54° COSTA MESA, CA 92626 weather forecast Day 2, 3 hours 1 AM 57° 58° Partly Cloudy   CALM 93% 55°
High 71° COSTA MESA, CA 92626 weather forecast Day 2, 6 hours 4 AM 55° 55° Mostly Cloudy 0%

0% Thunder
( 0% severe)
  CALM 93% 53°

Mostly Cloudy



COSTA MESA, CA 92626 weather forecast Day 2, 9 hours 7 AM 55° 55° Mostly Cloudy NW   1 90% 52°
COSTA MESA, CA 92626 weather forecast Day 2, 12 hours 10 AM 62° 63° Mostly Cloudy 0%

0% Thunder
( 0% severe)
  CALM 75% 54°
COSTA MESA, CA 92626 weather forecast Day 2, 15 hours 1 PM 68° 68° Partly Cloudy W   6 61% 54°
COSTA MESA, CA 92626 weather forecast Day 2, 18 hours 4 PM 67° 67° Partly Cloudy 0%

0% Thunder
( 0% severe)
WSW   6 68% 56°
COSTA MESA, CA 92626 weather forecast Day 2, 21 hours 7 PM 61° 62° Mostly Cloudy W   3 90% 58°
Sunday
14 DEC 2025
COSTA MESA, CA 92626 weather forecast Day 3, 0 hours 10 PM 59° 60° Mostly Cloudy 0%

0% Thunder
( 0% severe)
WNW   1 93% 57°
Low 54° COSTA MESA, CA 92626 weather forecast Day 3, 3 hours 1 AM 57° 58° Mostly Cloudy NNW   1 93% 55°
High 72° COSTA MESA, CA 92626 weather forecast Day 3, 6 hours 4 AM 56° 56° Mostly Cloudy 0%

0% Thunder
( 0% severe)
N   1 90% 53°

Mostly Cloudy



COSTA MESA, CA 92626 weather forecast Day 3, 9 hours 7 AM 55° 55° Mostly Cloudy N   2 90% 52°
COSTA MESA, CA 92626 weather forecast Day 3, 15 hours 10 AM 62° 63° Partly Cloudy 0%

0% Thunder
( 0% severe)
NW   2 72% 53°
COSTA MESA, CA 92626 weather forecast Day 3, 18 hours 1 PM 70° 70° Partly Cloudy W   7 55% 53°
COSTA MESA, CA 92626 weather forecast Day 3, 21 hours 4 PM 68° 68° Clear     W   7 63% 55°

SANTA ANA, CA extended weather forecast

Monday
15 DEC 2025
Tuesday
16 DEC 2025
Wednesday
17 DEC 2025
Thursday
18 DEC 2025
Friday
19 DEC 2025
Low 53° Low 54° Low 53° Low 57° Low 54°
High 80° High 77° High 76° High 74° High 69°
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
Clear
1% Rain
Clear
3% Rain
Partly Cloudy
7% Rain
Partly Cloudy
13% Rain
Mostly Cloudy
15% Rain
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