COSTA MESA, CA 92626 Weather Forecast & Current Conditions

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SANTA ANA, CA
Current Weather

8:53 PM PDT MAY 15, 2026
Overcast
64°F
Feels Like: 65°F
Dewpoint: 55°F
Rel. Hum.: 73%
Visibility: 10 miles
Wind: SW at 5 mph
Pressure: 29.93 inches
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COSTA MESA, CA 92626
Weather Forecast

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TONIGHT
Partly cloudy this evening, then cloudy with patchy drizzle overnight. Lows 54 to 57. Areas of winds south 10 mph.
SATURDAY
Cloudy. Patchy drizzle in the morning. Highs around 67 at the beaches to 68 to 72 farther inland and near higher coastal terrain. Areas of winds south 10 mph.
SATURDAY NIGHT
Partly cloudy. Lows 54 to 57. Areas of winds south 10 to 15 mph. Gusts to 25 mph overnight.
SUNDAY
Mostly cloudy in the morning...becoming partly cloudy. Highs around 68 at the beaches to 69 to 73 farther inland and near higher coastal terrain. Areas of winds south 10 to 15 mph with gusts to 25 mph.
SUNDAY NIGHT
Partly cloudy. Lows 54 to 57. Areas of winds south 10 to 15 mph with gusts to 25 mph.
MONDAY
Partly cloudy in the morning...becoming mostly sunny. Highs 69 to 72 at the beaches to 73 to 76 farther inland and near higher coastal terrain.
MONDAY NIGHT
Clear in the evening...becoming partly cloudy. Lows 55 to 58.
TUESDAY
Partly cloudy. Highs 70 to 75.
TUESDAY NIGHT
Mostly clear in the evening...becoming partly cloudy. Lows 56 to 59.
WEDNESDAY
Partly cloudy. Highs around 71 at the beaches to 73 to 76 farther inland and near higher coastal terrain.
WEDNESDAY NIGHT
Mostly clear in the evening...becoming partly cloudy. Lows 56 to 59.
THURSDAY
Partly cloudy in the morning...becoming mostly sunny. Highs 70 to 75.
THURSDAY NIGHT
Mostly clear in the evening...becoming partly cloudy. Lows 56 to 59.

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  5/15/2026
Saturday
16 MAY 2026
COSTA MESA, CA 92626 weather forecast Day 1, 0 hours 11 PM 60° 60° Partly Cloudy 0%

0% Thunder
( 0% severe)
SSW   6 90% 57°
Low 58° COSTA MESA, CA 92626 weather forecast Day 1, 3 hours 2 AM 59° 59° Mostly Cloudy S   5 93% 57°
High 69° COSTA MESA, CA 92626 weather forecast Day 1, 6 hours 5 AM 59° 60° Mostly Cloudy 0%

0% Thunder
( 0% severe)
SSE   3 93% 57°

Mostly Cloudy



COSTA MESA, CA 92626 weather forecast Day 1, 9 hours 8 AM 62° 62° Mostly Cloudy SSE   6 81% 56°
COSTA MESA, CA 92626 weather forecast Day 1, 12 hours 11 AM 67° 67° Partly Cloudy 0%

0% Thunder
( 0% severe)
SSW   9 68% 56°
COSTA MESA, CA 92626 weather forecast Day 1, 15 hours 2 PM 69° 69° Partly Cloudy SSW   13 68% 58°
COSTA MESA, CA 92626 weather forecast Day 1, 18 hours 5 PM 68° 68° Partly Cloudy 0%

0% Thunder
( 0% severe)
SSW   9 68% 57°
COSTA MESA, CA 92626 weather forecast Day 1, 21 hours 8 PM 62° 61° Partly Cloudy S   8 84% 57°
Sunday
17 MAY 2026
COSTA MESA, CA 92626 weather forecast Day 2, 0 hours 11 PM 60° 58° Partly Cloudy 0%

0% Thunder
( 0% severe)
SSE   10 90% 57°
Low 58° COSTA MESA, CA 92626 weather forecast Day 2, 3 hours 2 AM 59° 58° Partly Cloudy SE   8 90% 56°
High 71° COSTA MESA, CA 92626 weather forecast Day 2, 6 hours 5 AM 58° 57° Mostly Cloudy 0%

0% Thunder
( 0% severe)
ESE   7 93% 56°

Partly Cloudy



COSTA MESA, CA 92626 weather forecast Day 2, 9 hours 8 AM 62° 61° Partly Cloudy SE   9 78% 55°
COSTA MESA, CA 92626 weather forecast Day 2, 12 hours 11 AM 68° 68° Partly Cloudy 0%

0% Thunder
( 0% severe)
S   10 63% 55°
COSTA MESA, CA 92626 weather forecast Day 2, 15 hours 2 PM 70° 70° Partly Cloudy S   13 63% 57°
COSTA MESA, CA 92626 weather forecast Day 2, 18 hours 5 PM 68° 68° Clear 0%

0% Thunder
( 2% severe)
SSW   10 68% 57°
COSTA MESA, CA 92626 weather forecast Day 2, 21 hours 8 PM 63° 62° Partly Cloudy S   9 84% 58°

SANTA ANA, CA extended weather forecast

BAD DAY
BAD DATE
BAD DAY
BAD DATE
BAD DAY
BAD DATE
BAD DAY
BAD DATE
BAD DAY
BAD DATE
Low 62° Low 61° Low 60° Low 61° Low 61°
High 72° High 74° High 75° High 74° High 71°
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
Mostly Cloudy
9% Rain
Mostly Cloudy
10% Rain
Partly Cloudy
2% Rain
Partly Cloudy
Overcast
4% Rain
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