COSTA MESA, CA 92626 Weather Forecast & Current Conditions

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SANTA ANA, CA
Current Weather

8:53 PM PDT JUN 28, 2026
Scattered Clouds
66°F
Feels Like: 66°F
Dewpoint: 57°F
Rel. Hum.: 73%
Visibility: 10 miles
Wind: SW at 6 mph
Pressure: 29.86 inches
Last 72 hours

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COSTA MESA, CA 92626
Weather Forecast

Snowfall Forecast pages
Snow Depth pages
TONIGHT
Partly cloudy this evening...becoming mostly cloudy. Lows 58 to 62. Areas of winds south 10 mph this evening becoming light.
MONDAY
Cloudy in the morning...becoming mostly sunny. Highs 69 to 74. Areas of winds south 10 mph.
MONDAY NIGHT
Partly cloudy in the evening...becoming mostly cloudy. Lows 58 to 62. Areas of winds south 10 mph in the evening becoming light.
TUESDAY
Mostly cloudy in the morning...becoming partly cloudy. Highs 69 to 72 at the beaches to 72 to 76 farther inland and near higher coastal terrain. Areas of winds south 10 mph.
TUESDAY NIGHT
Mostly clear in the evening...becoming partly cloudy overnight with patchy fog. Lows 57 to 61. Areas of winds southwest 10 mph in the evening becoming light.
WEDNESDAY
Cloudy in the morning...becoming partly cloudy. Highs 69 to 74 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 55 to 59.
THURSDAY
Partly cloudy. Highs around 70 at the beaches to 70 to 75 farther inland and near higher coastal terrain.
THURSDAY NIGHT
Mostly clear in the evening...becoming partly cloudy. Lows 57 to 61.
FRIDAY
Mostly cloudy in the morning...becoming partly cloudy. Highs 69 to 72 at the beaches to 72 to 76 farther inland and near higher coastal terrain.
FRIDAY NIGHT
Partly cloudy. Lows 58 to 62.
INDEPENDENCE DAY
Mostly cloudy in the morning...becoming partly cloudy. Highs 70 to 73 at the beaches to 73 to 78 farther inland and near higher coastal terrain.
SATURDAY NIGHT
Partly cloudy. Lows 59 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  6/28/2026
Sunday
28 JUN 2026
COSTA MESA, CA 92626 weather forecast Day 1, 12 hours 11 AM 68° 68° Mostly Cloudy 0%

0% Thunder
( 0% severe)
S   12 61% 54°
High 72° COSTA MESA, CA 92626 weather forecast Day 1, 15 hours 2 PM 71° 71° Clear S   13 57% 55°
Partly Cloudy



COSTA MESA, CA 92626 weather forecast Day 1, 18 hours 5 PM 69° 69° Partly Cloudy 0%

0% Thunder
( 0% severe)
SSW   9 63% 56°
COSTA MESA, CA 92626 weather forecast Day 1, 21 hours 8 PM 64° 64° Partly Cloudy S   8 78% 57°
Monday
29 JUN 2026
COSTA MESA, CA 92626 weather forecast Day 2, 0 hours 11 PM 63° 63° Partly Cloudy 1%

0% Thunder
( 0% severe)
S   7 81% 57°
Low 62° COSTA MESA, CA 92626 weather forecast Day 2, 3 hours 2 AM 62° 62° Mostly Cloudy SSE   6 81% 56°
High 72° COSTA MESA, CA 92626 weather forecast Day 2, 6 hours 5 AM 62° 62° Mostly Cloudy 1%

0% Thunder
( 0% severe)
SSE   6 81% 56°

Decreasing Clouds



COSTA MESA, CA 92626 weather forecast Day 2, 9 hours 8 AM 64° 64° Mostly Cloudy SSE   8 73% 55°
COSTA MESA, CA 92626 weather forecast Day 2, 12 hours 11 AM 68° 68° Mostly Cloudy 0%

0% Thunder
( 0% severe)
S   10 63% 55°
COSTA MESA, CA 92626 weather forecast Day 2, 15 hours 2 PM 72° 72° Clear SSW   12 57% 56°
COSTA MESA, CA 92626 weather forecast Day 2, 18 hours 5 PM 70° 70° Clear 0%

0% Thunder
( 0% severe)
SSW   10 61% 56°
COSTA MESA, CA 92626 weather forecast Day 2, 21 hours 8 PM 65° 65° Partly Cloudy SSW   8 75% 57°
Tuesday
30 JUN 2026
COSTA MESA, CA 92626 weather forecast Day 3, 0 hours 11 PM 63° 63° Mostly Cloudy 8%

0% Thunder
( 1% severe)
S   6 81% 57°
Low 62° COSTA MESA, CA 92626 weather forecast Day 3, 3 hours 2 AM 63° 64° Mostly Cloudy S   3 81% 57°
High 71° COSTA MESA, CA 92626 weather forecast Day 3, 6 hours 5 AM 62° 63° Mostly Cloudy 2%

0% Thunder
( 0% severe)
S   3 84% 57°

Decreasing Clouds



COSTA MESA, CA 92626 weather forecast Day 3, 9 hours 8 AM 64° 65° Mostly Cloudy S   5 75% 56°
COSTA MESA, CA 92626 weather forecast Day 3, 15 hours 11 AM 68° 68° Mostly Cloudy 0%

0% Thunder
( 0% severe)
SW   8 65% 56°
COSTA MESA, CA 92626 weather forecast Day 3, 18 hours 2 PM 71° 71° Clear SW   12 59% 56°
COSTA MESA, CA 92626 weather forecast Day 3, 21 hours 5 PM 70° 70° Clear     SW   9 61% 56°

SANTA ANA, CA extended weather forecast

Wednesday
1 JUL 2026
Thursday
2 JUL 2026
Friday
3 JUL 2026
Saturday
4 JUL 2026
Sunday
5 JUL 2026
Low 63° Low 63° Low 64° Low 63° Low 64°
High 74° High 76° High 75° High 75° High 76°
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
20% Rain
Partly Cloudy
5% Rain
Partly Cloudy
4% Rain
Partly Cloudy
2% Rain
Mostly Cloudy
2% Rain
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