COSTA MESA, CA 92626 Weather Forecast & Current Conditions

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SANTA ANA, CA
Current Weather

8:53 PM PDT JUN 22, 2026
Clear
66°F
Feels Like: 66°F
Dewpoint: 59°F
Rel. Hum.: 78%
Visibility: 10 miles
Wind: SSW at 7 mph
Pressure: 29.96 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 overnight. Lows 58 to 62. Areas of winds southwest 10 mph this evening becoming light.
TUESDAY
Mostly cloudy in the morning...becoming mostly sunny. Highs 70 to 74 at the beaches to 75 to 78 farther inland and near higher coastal terrain. Light winds becoming southwest 10 mph in the afternoon.
TUESDAY NIGHT
Partly cloudy in the evening...becoming mostly cloudy. Lows 60 to 64. Areas of winds west 10 mph in the evening becoming light.
WEDNESDAY
Cloudy in the morning...becoming partly cloudy. Highs 71 to 75 at the beaches to 76 to 79 farther inland and near higher coastal terrain. Areas of winds west to 10 mph.
WEDNESDAY NIGHT
Mostly clear in the evening...becoming partly cloudy. Lows 59 to 63. Areas of winds west 10 mph in the evening becoming light.
THURSDAY
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.
THURSDAY NIGHT
Mostly clear in the evening...becoming partly cloudy. Lows around 60.
FRIDAY
Mostly cloudy in the morning...becoming partly cloudy. Highs 69 to 72 at the beaches to 73 to 76 farther inland and near higher coastal terrain.
FRIDAY NIGHT
Mostly clear in the evening...becoming partly cloudy. Lows 58 to 62.
SATURDAY
Mostly cloudy in the morning...becoming partly cloudy. Highs 70 to 75.
SATURDAY NIGHT
Mostly clear in the evening...becoming partly cloudy. Lows 59 to 62.
SUNDAY
Cloudy in the morning...becoming partly cloudy. Highs 68 to 73.
SUNDAY NIGHT
Partly cloudy. Lows around 60.

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  6/22/2026
Monday
22 JUN 2026
COSTA MESA, CA 92626 weather forecast Day 1, 12 hours 11 AM 70° 70° Partly Cloudy 0%

0% Thunder
( 0% severe)
SW   8 66% 58°
High 74° COSTA MESA, CA 92626 weather forecast Day 1, 15 hours 2 PM 73° 73° Clear WSW   12 62% 59°
Partly Cloudy



COSTA MESA, CA 92626 weather forecast Day 1, 18 hours 5 PM 72° 72° Clear 0%

0% Thunder
( 0% severe)
WSW   10 64% 59°
COSTA MESA, CA 92626 weather forecast Day 1, 21 hours 8 PM 66° 66° Partly Cloudy SW   8 78% 59°
Tuesday
23 JUN 2026
COSTA MESA, CA 92626 weather forecast Day 2, 0 hours 11 PM 63° 64° Mostly Cloudy 1%

0% Thunder
( 0% severe)
SW   5 87% 59°
Low 62° COSTA MESA, CA 92626 weather forecast Day 2, 3 hours 2 AM 63° 64° Mostly Cloudy   CALM 84% 58°
High 75° COSTA MESA, CA 92626 weather forecast Day 2, 6 hours 5 AM 62° 63° Mostly Cloudy 1%

0% Thunder
( 0% severe)
  CALM 87% 58°

Decreasing Clouds



COSTA MESA, CA 92626 weather forecast Day 2, 9 hours 8 AM 65° 65° Mostly Cloudy   CALM 78% 58°
COSTA MESA, CA 92626 weather forecast Day 2, 12 hours 11 AM 72° 72° Partly Cloudy 2%

0% Thunder
( 0% severe)
WSW   7 64% 59°
COSTA MESA, CA 92626 weather forecast Day 2, 15 hours 2 PM 75° 75° Clear WSW   10 58% 59°
COSTA MESA, CA 92626 weather forecast Day 2, 18 hours 5 PM 74° 74° Clear 5%

0% Thunder
( 1% severe)
WSW   9 59% 59°
COSTA MESA, CA 92626 weather forecast Day 2, 21 hours 8 PM 68° 68° Partly Cloudy WSW   7 73% 59°
Wednesday
24 JUN 2026
COSTA MESA, CA 92626 weather forecast Day 3, 0 hours 11 PM 65° 65° Partly Cloudy 3%

0% Thunder
( 2% severe)
WSW   5 84% 60°
Low 64° COSTA MESA, CA 92626 weather forecast Day 3, 3 hours 2 AM 65° 65° Mostly Cloudy   CALM 81% 59°
High 76° COSTA MESA, CA 92626 weather forecast Day 3, 6 hours 5 AM 65° 65° Mostly Cloudy 7%

0% Thunder
( 2% severe)
  CALM 81% 59°

Mostly Cloudy



COSTA MESA, CA 92626 weather forecast Day 3, 9 hours 8 AM 66° 66° Mostly Cloudy   CALM 78% 59°
COSTA MESA, CA 92626 weather forecast Day 3, 15 hours 11 AM 73° 73° Partly Cloudy 1%

0% Thunder
( 0% severe)
WSW   8 62% 59°
COSTA MESA, CA 92626 weather forecast Day 3, 18 hours 2 PM 76° 78° Partly Cloudy WSW   10 58% 60°
COSTA MESA, CA 92626 weather forecast Day 3, 21 hours 5 PM 74° 74° Clear     WSW   10 59% 59°

SANTA ANA, CA extended weather forecast

Thursday
25 JUN 2026
Friday
26 JUN 2026
Saturday
27 JUN 2026
Sunday
28 JUN 2026
Monday
29 JUN 2026
Low 65° Low 64° Low 65° Low 64° Low 64°
High 76° High 76° High 76° High 75° High 78°
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
Mostly Cloudy
2% Rain
Overcast
4% Rain
Overcast
9% Rain
Mostly Cloudy
8% Rain
Partly Cloudy
4% Rain
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