COSTA MESA, CA 92628 Weather Forecast & Current Conditions

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SANTA ANA, CA
Current Weather

1:53 PM PDT SEP 9, 2025
Clear
75°F
Feels Like: 75°F
Dewpoint: 61°F
Rel. Hum.: 62%
Visibility: 10 miles
Wind: SSW at 12 mph
Pressure: 29.89 inches
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COSTA MESA, CA 92628
Weather Forecast

Snowfall Forecast pages
Snow Depth pages
TONIGHT
Partly cloudy this evening...becoming cloudy. Lows 62 to 65. Areas of winds west 10 to 15 mph. Gusts to 25 mph this evening.
WEDNESDAY
Mostly cloudy in the morning...becoming mostly sunny. Highs 70 to 73 at the beaches to 74 to 77 farther inland and near higher coastal terrain. Areas of winds south 10 to 15 mph.
WEDNESDAY NIGHT
Mostly clear in the evening...becoming mostly cloudy. Lows 61 to 64. Areas of winds west 10 mph in the evening becoming light.
THURSDAY
Cloudy in the morning...becoming partly cloudy. Highs 69 to 73 at the beaches to 74 to 77 farther inland and near higher coastal terrain. Areas of winds southwest 10 mph.
THURSDAY NIGHT
Mostly clear in the evening...becoming partly cloudy. Lows 59 to 64. Areas of winds southwest 10 mph in the evening becoming light.
FRIDAY
Mostly cloudy in the morning...becoming partly cloudy. Highs 70 to 73 at the beaches to 74 to 78 farther inland and near higher coastal terrain.
FRIDAY NIGHT
Mostly clear in the evening...becoming partly cloudy. Lows 59 to 64.
SATURDAY
Mostly cloudy in the morning...becoming mostly sunny. Highs 70 to 73 at the beaches to 75 to 79 farther inland and near higher coastal terrain.
SATURDAY NIGHT
Mostly clear in the evening...becoming partly cloudy. Lows 60 to 64.
SUNDAY
Mostly cloudy in the morning...becoming partly cloudy. Highs 70 to 73 at the beaches to 75 to 79 farther inland and near higher coastal terrain.
SUNDAY NIGHT
Mostly clear in the evening...becoming partly cloudy. Lows 60 to 64.
MONDAY
Partly cloudy in the morning...becoming mostly sunny. Highs 71 to 74 at the beaches to 76 to 80 farther inland and near higher coastal terrain.
MONDAY NIGHT
Mostly clear in the evening...becoming partly cloudy. Lows 60 to 63.

Visible Weather Satellite
COSTA MESA, CA 92628
Infrared Weather Satellite
COSTA MESA, CA 92628
NEXRAD Weather Radar
COSTA MESA, CA 92628

SANTA ANA, CA 3 hourly weather forecast

weather forecast created  5:00 AM PDT  9/ 9/2025
Tuesday
9 SEP 2025
COSTA MESA, CA 92628 weather forecast Day 1, 12 hours 11 AM 73° 73° Partly Cloudy 0%

0% Thunder
( 0% severe)
SSW   7 64% 60°
High 76° COSTA MESA, CA 92628 weather forecast Day 1, 15 hours 2 PM 75° 75° Clear SW   12 60% 60°
Partly Cloudy



COSTA MESA, CA 92628 weather forecast Day 1, 18 hours 5 PM 75° 75° Clear 0%

0% Thunder
( 0% severe)
WSW   12 62% 61°
COSTA MESA, CA 92628 weather forecast Day 1, 21 hours 8 PM 70° 70° Partly Cloudy WSW   10 76% 62°
Wednesday
10 SEP 2025
COSTA MESA, CA 92628 weather forecast Day 2, 0 hours 11 PM 68° 68° Partly Cloudy 4%

0% Thunder
( 0% severe)
SW   9 84% 63°
Low 66° COSTA MESA, CA 92628 weather forecast Day 2, 3 hours 2 AM 68° 68° Mostly Cloudy SSW   6 81% 62°
High 75° COSTA MESA, CA 92628 weather forecast Day 2, 6 hours 5 AM 67° 67° Mostly Cloudy 6%

0% Thunder
( 0% severe)
S   5 81% 61°

Decreasing Clouds



COSTA MESA, CA 92628 weather forecast Day 2, 9 hours 8 AM 68° 68° Mostly Cloudy SSE   6 76% 60°
COSTA MESA, CA 92628 weather forecast Day 2, 12 hours 11 AM 72° 72° Partly Cloudy 0%

0% Thunder
( 0% severe)
S   7 61% 58°
COSTA MESA, CA 92628 weather forecast Day 2, 15 hours 2 PM 73° 73° Clear SSW   12 62% 59°
COSTA MESA, CA 92628 weather forecast Day 2, 18 hours 5 PM 73° 73° Clear 1%

0% Thunder
( 0% severe)
SW   10 64% 60°
COSTA MESA, CA 92628 weather forecast Day 2, 21 hours 8 PM 69° 69° Partly Cloudy WSW   9 76% 61°
Thursday
11 SEP 2025
COSTA MESA, CA 92628 weather forecast Day 3, 0 hours 11 PM 67° 67° Partly Cloudy 1%

0% Thunder
( 0% severe)
WSW   8 84% 62°
Low 65° COSTA MESA, CA 92628 weather forecast Day 3, 3 hours 2 AM 68° 68° Mostly Cloudy SW   6 78% 61°
High 75° COSTA MESA, CA 92628 weather forecast Day 3, 6 hours 5 AM 67° 67° Mostly Cloudy 3%

0% Thunder
( 0% severe)
SW   3 81% 61°

Decreasing Clouds



COSTA MESA, CA 92628 weather forecast Day 3, 9 hours 8 AM 67° 67° Mostly Cloudy SSW   5 81% 61°
COSTA MESA, CA 92628 weather forecast Day 3, 15 hours 11 AM 72° 72° Mostly Cloudy 0%

0% Thunder
( 0% severe)
SSW   6 64% 59°
COSTA MESA, CA 92628 weather forecast Day 3, 18 hours 2 PM 73° 73° Clear SW   10 59% 58°
COSTA MESA, CA 92628 weather forecast Day 3, 21 hours 5 PM 73° 73° Clear     WSW   10 62% 59°

SANTA ANA, CA extended weather forecast

Friday
12 SEP 2025
Saturday
13 SEP 2025
Sunday
14 SEP 2025
Monday
15 SEP 2025
Tuesday
16 SEP 2025
Low 64° Low 66° Low 66° Low 65° Low 65°
High 76° High 75° High 76° High 77° High 82°
COSTA MESA, CA 92628 weather forecast Day 4 COSTA MESA, CA 92628 weather forecast Day 5 COSTA MESA, CA 92628 weather forecast Day 6 COSTA MESA, CA 92628 weather forecast Day 7 <!--SEARCHED_TOWN_NAME--> weather forecast Day 8
Partly Cloudy
10% Rain
Mostly Cloudy
4% Rain
Overcast
9% Rain
Partly Cloudy
6% Rain
Partly Cloudy
3% Rain
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