COSTA MESA, CA 92626 Weather Forecast & Current Conditions

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SANTA ANA, CA
Current Weather

1:53 PM PDT MAR 26, 2026
Scattered Clouds
72°F
Feels Like: 72°F
Dewpoint: 57°F
Rel. Hum.: 59%
Visibility: 10 miles
Wind: WSW at 9 mph
Pressure: 29.90 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 around 56. Areas of winds west to 10 mph this evening becoming light.
FRIDAY
Mostly cloudy with patchy fog in the morning...becoming partly cloudy. Highs 72 to 75 at the beaches to 76 to 81 farther inland and near higher coastal terrain. Light winds becoming southwest 10 mph in the afternoon.
FRIDAY NIGHT
Partly cloudy. Lows around 57. Areas of winds west to 10 mph in the evening becoming light.
SATURDAY
Mostly cloudy with patchy fog in the morning... Becoming partly cloudy. Highs 76 to 79 at the beaches to 81 to 85 farther inland and near higher coastal terrain. Light winds becoming west 10 to 15 mph in the afternoon.
SATURDAY NIGHT
Partly cloudy. Patchy fog overnight. Lows around 58. Areas of winds west 10 to 15 mph in the evening becoming light.
SUNDAY
Partly cloudy in the morning...becoming mostly sunny. Highs 75 to 78 at the beaches to 80 to 84 farther inland and near higher coastal terrain.
SUNDAY NIGHT
Mostly clear. Lows 55 to 58.
MONDAY
Mostly cloudy. Highs 70 to 74 at the beaches to 76 to 80 farther inland and near higher coastal terrain.
MONDAY NIGHT
Mostly cloudy in the evening...becoming partly cloudy. Lows 56 to 59.
TUESDAY
Cloudy in the morning, then mostly cloudy with a slight chance of showers in the afternoon. Highs 66 to 70 at the beaches to 72 to 75 farther inland and near higher coastal terrain.
TUESDAY NIGHT
Mostly cloudy with a slight chance of showers. Lows around 55.
WEDNESDAY
Mostly cloudy in the morning...becoming partly cloudy. A slight chance of showers. Highs 66 to 70 at the beaches to 71 to 75 farther inland and near higher coastal terrain.
WEDNESDAY NIGHT
Partly cloudy. A slight chance of showers overnight. Lows 53 to 56.

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  3/26/2026
Thursday
26 MAR 2026
COSTA MESA, CA 92626 weather forecast Day 1, 12 hours 10 AM 70° 70° Partly Cloudy 0%

0% Thunder
( 0% severe)
WNW   1 59% 55°
High 77° COSTA MESA, CA 92626 weather forecast Day 1, 15 hours 1 PM 76° 78° Partly Cloudy WSW   8 50% 56°
Partly Cloudy



COSTA MESA, CA 92626 weather forecast Day 1, 18 hours 4 PM 74° 74° Clear 0%

0% Thunder
( 0% severe)
WSW   8 51% 55°
COSTA MESA, CA 92626 weather forecast Day 1, 21 hours 7 PM 67° 67° Clear WSW   3 73% 58°
Friday
27 MAR 2026
COSTA MESA, CA 92626 weather forecast Day 2, 0 hours 10 PM 63° 64° Partly Cloudy 0%

0% Thunder
( 0% severe)
  CALM 87% 59°
Low 58° COSTA MESA, CA 92626 weather forecast Day 2, 3 hours 1 AM 61° 62° Partly Cloudy   CALM 90% 58°
High 78° COSTA MESA, CA 92626 weather forecast Day 2, 6 hours 4 AM 59° 60° Partly Cloudy 0%

0% Thunder
( 0% severe)
  CALM 93% 57°

Partly Cloudy



COSTA MESA, CA 92626 weather forecast Day 2, 9 hours 7 AM 60° 61° Partly Cloudy   CALM 87% 56°
COSTA MESA, CA 92626 weather forecast Day 2, 12 hours 10 AM 71° 71° Partly Cloudy 0%

0% Thunder
( 0% severe)
WSW   2 59% 56°
COSTA MESA, CA 92626 weather forecast Day 2, 15 hours 1 PM 76° 78° Partly Cloudy WSW   7 48% 55°
COSTA MESA, CA 92626 weather forecast Day 2, 18 hours 4 PM 75° 75° Partly Cloudy 0%

0% Thunder
( 0% severe)
SW   7 48% 54°
COSTA MESA, CA 92626 weather forecast Day 2, 21 hours 7 PM 68° 68° Partly Cloudy WSW   3 68% 57°
Saturday
28 MAR 2026
COSTA MESA, CA 92626 weather forecast Day 3, 0 hours 10 PM 64° 66° Partly Cloudy 0%

0% Thunder
( 0% severe)
W   1 81% 58°
Low 59° COSTA MESA, CA 92626 weather forecast Day 3, 3 hours 1 AM 62° 63° Partly Cloudy   CALM 84% 57°
High 82° COSTA MESA, CA 92626 weather forecast Day 3, 6 hours 4 AM 60° 61° Mostly Cloudy 0%

0% Thunder
( 0% severe)
  CALM 84% 55°

Mostly Cloudy



COSTA MESA, CA 92626 weather forecast Day 3, 9 hours 7 AM 62° 63° Mostly Cloudy   CALM 72% 53°
COSTA MESA, CA 92626 weather forecast Day 3, 15 hours 10 AM 73° 73° Mostly Cloudy 0%

0% Thunder
( 0% severe)
W   3 48% 52°
COSTA MESA, CA 92626 weather forecast Day 3, 18 hours 1 PM 80° 80° Mostly Cloudy W   9 38% 52°
COSTA MESA, CA 92626 weather forecast Day 3, 21 hours 4 PM 80° 80° Partly Cloudy     W   9 35% 50°

SANTA ANA, CA extended weather forecast

Sunday
29 MAR 2026
Monday
30 MAR 2026
Tuesday
31 MAR 2026
Wednesday
1 APR 2026
Thursday
2 APR 2026
Low 60° Low 60° Low 60° Low 61° Low 57°
High 79° High 72° High 68° High 69° High 72°
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
2% Rain
Overcast
5% Rain
Overcast
18% Rain
Overcast
48% Rain
Partly Cloudy
22% Rain
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