COSTA MESA, CA 92626 Weather Forecast & Current Conditions

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SANTA ANA, CA
Current Weather

7:53 AM PDT MAY 29, 2026
Broken Clouds
63°F
Feels Like: 63°F
Dewpoint: 55°F
Rel. Hum.: 75%
Visibility: 10 miles
Wind: Variable at 5 mph
Pressure: 30.01 inches
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COSTA MESA, CA 92626
Weather Forecast

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Snow Depth pages
TODAY
Partly cloudy with a slight chance of showers this morning, then mostly sunny this afternoon. Highs 65 to 70. Areas of winds southwest to 10 mph becoming west with gusts to 25 mph this afternoon. Chance of measurable precipitation 20 percent.
TONIGHT
Partly cloudy. Lows 53 to 58. Areas of winds west 10 to 15 mph with gusts to 25 mph in the evening becoming light.
SATURDAY
Partly cloudy in the morning...becoming mostly sunny. Highs 67 to 71 at the beaches to 71 to 74 farther inland and near higher coastal terrain. Areas of winds south 10 to 15 mph. Gusts to 25 mph in the afternoon.
SATURDAY NIGHT
Mostly clear in the evening...becoming partly cloudy overnight with patchy fog. Lows 56 to 59. Areas of winds west 10 to 15 mph with gusts to 25 mph becoming southeast overnight.
SUNDAY
Partly cloudy with patchy fog in the morning...becoming mostly sunny. Highs 72 to 75 at the beaches to 76 to 80 farther inland and near higher coastal terrain. Areas of winds south 10 to 15 mph. Gusts to 25 mph in the afternoon.
SUNDAY NIGHT
Mostly clear in the evening...becoming partly cloudy overnight with patchy fog. Lows around 60.
MONDAY
Mostly cloudy with patchy fog in the morning...becoming partly cloudy. Highs 71 to 74 at the beaches to 75 to 79 farther inland and near higher coastal terrain.
MONDAY NIGHT
Mostly clear in the evening...becoming partly cloudy. Lows around 60.
TUESDAY
Partly cloudy. Highs 69 to 73 at the beaches to 73 to 76 farther inland and near higher coastal terrain.
TUESDAY NIGHT
Mostly clear in the evening...becoming partly cloudy. Lows around 60.
WEDNESDAY
Mostly cloudy in the morning...becoming partly cloudy. Highs 70 to 73 at the beaches to 73 to 77 farther inland and near higher coastal terrain.
WEDNESDAY NIGHT
Mostly clear in the evening...becoming partly cloudy. Lows around 60.
THURSDAY
Partly cloudy in the morning...becoming mostly sunny. Highs 70 to 73 at the beaches to 74 to 78 farther inland and near higher coastal terrain.

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 PM PDT  5/28/2026
Friday
29 MAY 2026
COSTA MESA, CA 92626 weather forecast Day 1, 0 hours 11 PM 60° 59° Mostly Cloudy 32%
RAIN
.25–.5 in
0% Thunder
( 8% severe)
WSW   7 78% 53°
Low 57° COSTA MESA, CA 92626 weather forecast Day 1, 3 hours 2 AM 58° 58° Mostly Cloudy W   5 87% 54°
High 70° COSTA MESA, CA 92626 weather forecast Day 1, 6 hours 5 AM 58° 59° Mostly Cloudy 4%

0% Thunder
( 2% severe)
WSW   1 87% 54°

Decreasing Clouds



COSTA MESA, CA 92626 weather forecast Day 1, 9 hours 8 AM 61° 62° Mostly Cloudy   CALM 75% 53°
COSTA MESA, CA 92626 weather forecast Day 1, 12 hours 11 AM 66° 66° Partly Cloudy 1%

0% Thunder
( 0% severe)
SW   9 61% 52°
COSTA MESA, CA 92626 weather forecast Day 1, 15 hours 2 PM 69° 69° Clear WSW   13 55% 52°
COSTA MESA, CA 92626 weather forecast Day 1, 18 hours 5 PM 68° 68° Clear 1%

0% Thunder
( 0% severe)
WSW   13 57% 52°
COSTA MESA, CA 92626 weather forecast Day 1, 21 hours 8 PM 63° 62° Partly Cloudy WSW   10 72% 54°
Saturday
30 MAY 2026
COSTA MESA, CA 92626 weather forecast Day 2, 0 hours 11 PM 60° 60° Partly Cloudy 0%

0% Thunder
( 0% severe)
S   5 84% 55°
Low 57° COSTA MESA, CA 92626 weather forecast Day 2, 3 hours 2 AM 59° 59° Partly Cloudy SE   5 87% 55°
High 73° COSTA MESA, CA 92626 weather forecast Day 2, 6 hours 5 AM 57° 57° Partly Cloudy 0%

0% Thunder
( 0% severe)
ESE   3 90% 54°

Partly Cloudy



COSTA MESA, CA 92626 weather forecast Day 2, 9 hours 8 AM 63° 64° Partly Cloudy   CALM 72% 54°
COSTA MESA, CA 92626 weather forecast Day 2, 12 hours 11 AM 69° 69° Clear 0%

0% Thunder
( 0% severe)
SW   7 61% 55°
COSTA MESA, CA 92626 weather forecast Day 2, 15 hours 2 PM 72° 72° Clear WSW   10 57% 56°
COSTA MESA, CA 92626 weather forecast Day 2, 18 hours 5 PM 71° 71° Clear 0%

0% Thunder
( 0% severe)
WSW   10 61% 57°
COSTA MESA, CA 92626 weather forecast Day 2, 21 hours 8 PM 65° 65° Clear SW   7 81% 59°

SANTA ANA, CA extended weather forecast

Sunday
31 MAY 2026
Monday
1 JUN 2026
Tuesday
2 JUN 2026
Wednesday
3 JUN 2026
Thursday
4 JUN 2026
Low 64° Low 63° Low 63° Low 62° Low 64°
High 75° High 74° High 74° High 74° High 75°
COSTA MESA, CA 92626 weather forecast Day 3 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
Partly Cloudy
1% Rain
Mostly Cloudy
1% Rain
Overcast
1% Rain
Overcast
Overcast
4% Rain
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