COSTA MESA, CA 92626 Weather Forecast & Current Conditions

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SANTA ANA, CA
Current Weather

3:53 PM PDT JUN 9, 2026
Few Clouds
72°F
Feels Like: 72°F
Dewpoint: 59°F
Rel. Hum.: 64%
Visibility: 10 miles
Wind: SSW at 14 mph
Pressure: 29.86 inches
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COSTA MESA, CA 92626
Weather Forecast

Snowfall Forecast pages
Snow Depth pages
TONIGHT
Mostly clear this evening...becoming partly cloudy. Patchy fog overnight. Lows 60 to 63. Areas of winds southwest 10 mph this evening becoming light.
WEDNESDAY
Partly cloudy in the morning...becoming mostly sunny. Highs 72 to 75 at the beaches to 75 to 80 farther inland and near higher coastal terrain. Light winds becoming southwest 10 mph in the afternoon.
WEDNESDAY NIGHT
Partly cloudy. Patchy fog overnight. Lows 60 to 63. Areas of winds south to 10 mph.
THURSDAY
Mostly cloudy with patchy fog in the morning... Becoming partly cloudy. Highs 72 to 75 at the beaches to 76 to 80 farther inland and near higher coastal terrain. Areas of winds south to 10 mph.
THURSDAY NIGHT
Mostly clear in the evening...becoming partly cloudy overnight with patchy fog. Lows 61 to 64. Areas of winds south 10 mph in the evening becoming light.
FRIDAY
Partly cloudy with patchy fog in the morning...becoming mostly sunny. Highs 73 to 77 at the beaches to 77 to 82 farther inland and near higher coastal terrain.
FRIDAY NIGHT
Mostly clear in the evening...becoming partly cloudy. Lows 62 to 65.
SATURDAY
Partly cloudy in the morning...becoming mostly sunny. Highs 74 to 79.
SATURDAY NIGHT
Mostly clear in the evening...becoming partly cloudy. Lows 61 to 65.
SUNDAY
Partly cloudy. Highs 73 to 78.
SUNDAY NIGHT
Mostly clear in the evening...becoming partly cloudy. Lows 60 to 64.
MONDAY
Partly cloudy. Highs 72 to 77.
MONDAY NIGHT
Mostly clear in the evening...becoming partly cloudy. Lows 60 to 63.

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  6/ 9/2026
Tuesday
9 JUN 2026
COSTA MESA, CA 92626 weather forecast Day 1, 12 hours 11 AM 72° 72° Partly Cloudy 0%

0% Thunder
( 0% severe)
SW   7 61% 58°
High 75° COSTA MESA, CA 92626 weather forecast Day 1, 15 hours 2 PM 74° 74° Clear SW   10 57% 58°
Clear



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

0% Thunder
( 0% severe)
SW   8 59% 59°
COSTA MESA, CA 92626 weather forecast Day 1, 21 hours 8 PM 68° 68° Clear SSW   6 73% 59°
Wednesday
10 JUN 2026
COSTA MESA, CA 92626 weather forecast Day 2, 0 hours 11 PM 66° 66° Partly Cloudy 0%

0% Thunder
( 0% severe)
S   2 81% 60°
Low 64° COSTA MESA, CA 92626 weather forecast Day 2, 3 hours 2 AM 65° 65° Partly Cloudy SSE   3 81% 59°
High 76° COSTA MESA, CA 92626 weather forecast Day 2, 6 hours 5 AM 65° 65° Partly Cloudy 0%

0% Thunder
( 0% severe)
  CALM 81% 59°

Partly Cloudy



COSTA MESA, CA 92626 weather forecast Day 2, 9 hours 8 AM 67° 67° Partly Cloudy   CALM 75% 59°
COSTA MESA, CA 92626 weather forecast Day 2, 12 hours 11 AM 74° 74° Partly Cloudy 1%

0% Thunder
( 0% severe)
SSW   8 62% 60°
COSTA MESA, CA 92626 weather forecast Day 2, 15 hours 2 PM 76° 78° Clear SSW   10 60% 61°
COSTA MESA, CA 92626 weather forecast Day 2, 18 hours 5 PM 75° 75° Clear 1%

0% Thunder
( 0% severe)
SSW   9 64% 62°
COSTA MESA, CA 92626 weather forecast Day 2, 21 hours 8 PM 69° 69° Partly Cloudy S   8 76% 61°
Thursday
11 JUN 2026
COSTA MESA, CA 92626 weather forecast Day 3, 0 hours 11 PM 66° 66° Partly Cloudy 0%

0% Thunder
( 0% severe)
S   7 87% 62°
Low 65° COSTA MESA, CA 92626 weather forecast Day 3, 3 hours 2 AM 66° 66° Partly Cloudy SSE   5 81% 60°
High 76° COSTA MESA, CA 92626 weather forecast Day 3, 6 hours 5 AM 65° 65° Mostly Cloudy 0%

0% Thunder
( 0% severe)
  CALM 84% 60°

Decreasing Clouds



COSTA MESA, CA 92626 weather forecast Day 3, 9 hours 8 AM 67° 67° Mostly Cloudy SSE   2 78% 60°
COSTA MESA, CA 92626 weather forecast Day 3, 15 hours 11 AM 74° 74° Partly Cloudy 0%

0% Thunder
( 0% severe)
SSW   8 64% 61°
COSTA MESA, CA 92626 weather forecast Day 3, 18 hours 2 PM 76° 78° Clear SW   10 62% 62°
COSTA MESA, CA 92626 weather forecast Day 3, 21 hours 5 PM 75° 75° Clear     SW   9 66% 63°

SANTA ANA, CA extended weather forecast

Friday
12 JUN 2026
Saturday
13 JUN 2026
Sunday
14 JUN 2026
Monday
15 JUN 2026
Tuesday
16 JUN 2026
Low 66° Low 66° Low 66° Low 65° Low 65°
High 79° High 79° High 77° High 74° High 77°
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
Overcast
Mostly Cloudy
Mostly Cloudy
Overcast
2% Rain
Overcast
5% Rain
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