COSTA MESA, CA 92626 Weather Forecast & Current Conditions

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SANTA ANA, CA
Current Weather

2:53 PM PDT SEP 13, 2025
Few Clouds
75°F
Feels Like: 75°F
Dewpoint: 63°F
Rel. Hum.: 66%
Visibility: 10 miles
Wind: S at 13 mph
Pressure: 29.87 inches
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COSTA MESA, CA 92626
Weather Forecast

Snowfall Forecast pages
Snow Depth pages
TONIGHT
Mostly clear this evening...becoming mostly cloudy. Patchy fog overnight. Lows 61 to 65. Areas of winds southwest 10 mph this evening becoming light.
SUNDAY
Mostly cloudy with patchy fog in the morning...becoming mostly sunny. Highs 73 to 76 at the beaches to 78 to 82 farther inland and near higher coastal terrain. Light winds becoming southwest 10 mph in the afternoon.
SUNDAY NIGHT
Mostly clear in the evening...becoming partly cloudy overnight with patchy fog. Lows 62 to 65. Areas of winds southwest 10 mph in the evening becoming light.
MONDAY
Mostly cloudy with patchy fog in the morning...becoming mostly sunny. Highs 75 to 78 at the beaches to 80 to 85 farther inland and near higher coastal terrain. Light winds becoming southwest 10 mph in the afternoon.
MONDAY NIGHT
Mostly clear in the evening...becoming partly cloudy overnight with patchy fog. Lows 63 to 66. Light winds.
TUESDAY
Partly cloudy with patchy fog in the morning... Becoming mostly sunny. Highs 76 to 80 at the beaches to 82 to 87 farther inland and near higher coastal terrain.
TUESDAY NIGHT
Mostly clear in the evening...becoming partly cloudy overnight with patchy fog. Lows 64 to 67.
WEDNESDAY
Partly cloudy with patchy fog in the morning... Becoming mostly sunny. Highs 77 to 81 at the beaches to 82 to 87 farther inland and near higher coastal terrain.
WEDNESDAY NIGHT
Mostly clear with a slight chance of showers and thunderstorms in the evening, then partly cloudy overnight. Patchy fog overnight. Lows 65 to 68.
THURSDAY
Partly cloudy with a slight chance of showers and thunderstorms. Highs around 80 at the beaches to 82 to 87 farther inland and near higher coastal terrain.
THURSDAY NIGHT
Partly cloudy with a slight chance of showers and thunderstorms. Lows 65 to 68.
FRIDAY
Partly cloudy with a slight chance of showers and thunderstorms. Highs 75 to 78 at the beaches to 80 to 85 farther inland and near higher coastal terrain.
FRIDAY NIGHT
Partly cloudy. Lows 64 to 67.

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  9/13/2025
Saturday
13 SEP 2025
COSTA MESA, CA 92626 weather forecast Day 1, 12 hours 11 AM 72° 72° Mostly Cloudy 0%

0% Thunder
( 0% severe)
SSW   6 66% 60°
High 75° COSTA MESA, CA 92626 weather forecast Day 1, 15 hours 2 PM 74° 74° Clear SW   9 64% 61°
Decreasing Clouds



COSTA MESA, CA 92626 weather forecast Day 1, 18 hours 5 PM 74° 74° Clear 0%

0% Thunder
( 0% severe)
SW   8 64% 61°
COSTA MESA, CA 92626 weather forecast Day 1, 21 hours 8 PM 69° 69° Clear SW   3 81% 63°
Sunday
14 SEP 2025
COSTA MESA, CA 92626 weather forecast Day 2, 0 hours 11 PM 67° 67° Partly Cloudy 0%

0% Thunder
( 0% severe)
SSW   3 87% 63°
Low 66° COSTA MESA, CA 92626 weather forecast Day 2, 3 hours 2 AM 67° 67° Mostly Cloudy SSW   3 87% 63°
High 79° COSTA MESA, CA 92626 weather forecast Day 2, 6 hours 5 AM 67° 67° Mostly Cloudy 0%

0% Thunder
( 0% severe)
SSE   2 87% 63°

Decreasing Clouds



COSTA MESA, CA 92626 weather forecast Day 2, 9 hours 8 AM 67° 67° Mostly Cloudy ESE   3 87% 63°
COSTA MESA, CA 92626 weather forecast Day 2, 12 hours 11 AM 73° 73° Partly Cloudy 0%

0% Thunder
( 0% severe)
SW   3 68% 62°
COSTA MESA, CA 92626 weather forecast Day 2, 15 hours 2 PM 77° 79° Clear SW   8 60% 62°
COSTA MESA, CA 92626 weather forecast Day 2, 18 hours 5 PM 76° 78° Clear 0%

0% Thunder
( 0% severe)
SW   8 62% 62°
COSTA MESA, CA 92626 weather forecast Day 2, 21 hours 8 PM 70° 70° Clear SSW   3 81% 64°
Monday
15 SEP 2025
COSTA MESA, CA 92626 weather forecast Day 3, 0 hours 11 PM 68° 68° Partly Cloudy 0%

0% Thunder
( 0% severe)
S   5 87% 64°
Low 66° COSTA MESA, CA 92626 weather forecast Day 3, 3 hours 2 AM 68° 68° Partly Cloudy S   3 84% 63°
High 81° COSTA MESA, CA 92626 weather forecast Day 3, 6 hours 5 AM 67° 67° Mostly Cloudy 0%

0% Thunder
( 0% severe)
ESE   2 87% 63°

Decreasing Clouds



COSTA MESA, CA 92626 weather forecast Day 3, 9 hours 8 AM 68° 68° Mostly Cloudy ESE   2 84% 63°
COSTA MESA, CA 92626 weather forecast Day 3, 15 hours 11 AM 76° 78° Partly Cloudy 0%

0% Thunder
( 0% severe)
SW   3 62% 62°
COSTA MESA, CA 92626 weather forecast Day 3, 18 hours 2 PM 79° 80° Clear WSW   7 56% 62°
COSTA MESA, CA 92626 weather forecast Day 3, 21 hours 5 PM 78° 80° Clear     WSW   7 60% 63°

SANTA ANA, CA extended weather forecast

Tuesday
16 SEP 2025
Wednesday
17 SEP 2025
Thursday
18 SEP 2025
Friday
19 SEP 2025
Saturday
20 SEP 2025
Low 68° Low 69° Low 69° Low 69° Low 70°
High 81° High 85° High 85° High 84° High 87°
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
Partly Cloudy
23% Rain
Partly Cloudy
17% Rain
Partly Cloudy
13% Rain
Partly Cloudy
10% Rain
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