COSTA MESA, CA 92626 Weather Forecast & Current Conditions

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SANTA ANA, CA
Current Weather

6:53 PM PDT APR 16, 2026
Scattered Clouds
64°F
Feels Like: 63°F
Dewpoint: 55°F
Rel. Hum.: 73%
Visibility: 10 miles
Wind: SSW at 12 mph
Pressure: 29.87 inches
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COSTA MESA, CA 92626
Weather Forecast

Snowfall Forecast pages
Snow Depth pages
TONIGHT
Partly cloudy. Lows 53 to 57. Areas of winds south 10 mph.
FRIDAY
Partly cloudy in the morning...becoming mostly sunny. Highs 70 to 74 at the beaches to 75 to 80 farther inland and near higher coastal terrain. Areas of winds northeast 10 to 20 mph becoming west 10 to 15 mph in the afternoon. Gusts to 30 mph.
FRIDAY NIGHT
Mostly clear. Lows 54 to 57. Areas of winds west 10 to 15 mph with gusts to 25 mph becoming southeast overnight.
SATURDAY
Mostly sunny in the morning...becoming partly cloudy. Highs 71 to 74 at the beaches to 75 to 79 farther inland and near higher coastal terrain. Areas of winds south 10 to 15 mph.
SATURDAY NIGHT
Partly cloudy. Patchy fog overnight. Lows around 55. Areas of winds south to 10 mph in the evening becoming light.
SUNDAY
Mostly cloudy with patchy fog in the morning...becoming partly cloudy. Highs around 71 at the beaches to 74 to 77 farther inland and near higher coastal terrain.
SUNDAY NIGHT
Mostly clear. Lows 52 to 55.
MONDAY
Partly cloudy in the morning...becoming mostly sunny. Highs around 70 at the beaches to 72 to 75 farther inland and near higher coastal terrain.
MONDAY NIGHT
Mostly clear. Lows 52 to 55.
TUESDAY
Partly cloudy in the morning...becoming mostly sunny. Highs around 68 at the beaches to 70 to 73 farther inland and near higher coastal terrain.
TUESDAY NIGHT
Partly cloudy with a slight chance of showers. Lows around 53.
WEDNESDAY
Partly cloudy. A slight chance of showers in the morning. Highs 66 to 71.
WEDNESDAY NIGHT
Partly cloudy. Lows around 53.

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  4/16/2026
Thursday
16 APR 2026
COSTA MESA, CA 92626 weather forecast Day 1, 12 hours 11 AM 66° 66° Mostly Cloudy 0%

0% Thunder
( 0% severe)
SSW   5 65% 54°
High 69° COSTA MESA, CA 92626 weather forecast Day 1, 15 hours 2 PM 68° 68° Mostly Cloudy SSW   10 59% 53°
Mostly Cloudy



COSTA MESA, CA 92626 weather forecast Day 1, 18 hours 5 PM 68° 68° Partly Cloudy 1%

0% Thunder
( 0% severe)
SSW   9 54% 51°
COSTA MESA, CA 92626 weather forecast Day 1, 21 hours 8 PM 63° 63° Partly Cloudy S   6 72% 54°
Friday
17 APR 2026
COSTA MESA, CA 92626 weather forecast Day 2, 0 hours 11 PM 60° 61° Partly Cloudy 0%

0% Thunder
( 0% severe)
SSE   3 84% 55°
Low 56° COSTA MESA, CA 92626 weather forecast Day 2, 3 hours 2 AM 59° 60° Partly Cloudy ESE   3 87% 55°
High 76° COSTA MESA, CA 92626 weather forecast Day 2, 6 hours 5 AM 57° 57° Partly Cloudy 0%

0% Thunder
( 0% severe)
ESE   3 86% 53°

Clear



COSTA MESA, CA 92626 weather forecast Day 2, 9 hours 8 AM 60° 60° Clear NE   5 64% 48°
COSTA MESA, CA 92626 weather forecast Day 2, 12 hours 11 AM 70° 70° Clear 0%

0% Thunder
( 0% severe)
NE   7 31% 38°
COSTA MESA, CA 92626 weather forecast Day 2, 15 hours 2 PM 74° 74° Clear WSW   9 32% 42°
COSTA MESA, CA 92626 weather forecast Day 2, 18 hours 5 PM 74° 74° Clear 0%

0% Thunder
( 0% severe)
W   10 32% 42°
COSTA MESA, CA 92626 weather forecast Day 2, 21 hours 8 PM 68° 68° Clear W   7 44% 45°
Saturday
18 APR 2026
COSTA MESA, CA 92626 weather forecast Day 3, 0 hours 11 PM 62° 63° Clear 0%

0% Thunder
( 0% severe)
S   3 62% 49°
Low 56° COSTA MESA, CA 92626 weather forecast Day 3, 3 hours 2 AM 59° 60° Clear ESE   2 67% 48°
High 78° COSTA MESA, CA 92626 weather forecast Day 3, 6 hours 5 AM 57° 58° Partly Cloudy 0%

0% Thunder
( 0% severe)
E   1 69% 47°

Partly Cloudy



COSTA MESA, CA 92626 weather forecast Day 3, 9 hours 8 AM 61° 62° Partly Cloudy E   1 56% 45°
COSTA MESA, CA 92626 weather forecast Day 3, 15 hours 11 AM 72° 72° Partly Cloudy 0%

0% Thunder
( 0% severe)
SW   2 37% 44°
COSTA MESA, CA 92626 weather forecast Day 3, 18 hours 2 PM 76° 77° Partly Cloudy WSW   9 32% 44°
COSTA MESA, CA 92626 weather forecast Day 3, 21 hours 5 PM 75° 75° Partly Cloudy     WSW   9 32% 43°

SANTA ANA, CA extended weather forecast

Sunday
19 APR 2026
Monday
20 APR 2026
Tuesday
21 APR 2026
Wednesday
22 APR 2026
Thursday
23 APR 2026
Low 58° Low 59° Low 57° Low 59° Low 57°
High 73° High 72° High 70° High 69° High 70°
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
Partly Cloudy
2% Rain
Partly Cloudy
3% Rain
Overcast
43% Rain
Mostly Cloudy
35% Rain
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