COSTA MESA, CA 92626 Weather Forecast & Current Conditions

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SANTA ANA, CA
Current Weather

11:53 PM PDT OCT 22, 2026
Overcast
Light Rain
63°F
Feels Like: 63°F
Dewpoint: 57°F
Rel. Hum.: 81%
Visibility: 6 miles
Wind: SSE at 6 mph
Pressure:
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COSTA MESA, CA 92626
Weather Forecast

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TONIGHT
Mostly cloudy with a chance of showers. Lows around 56. Areas of winds west to 10 mph this evening becoming light. Chance of measurable precipitation 50 percent.
FRIDAY
Partly cloudy with a slight chance of showers. Highs 66 to 70. Light winds becoming west 10 mph in the afternoon. Chance of measurable precipitation 20 percent.
FRIDAY NIGHT
Partly cloudy in the evening...becoming mostly clear. Lows 54 to 57. Areas of winds west to 10 mph in the evening becoming light.
SATURDAY
Mostly sunny. Highs 72 to 76. Areas of winds north to 10 mph becoming west with gusts to 25 mph in the afternoon.
SATURDAY NIGHT
Mostly clear. Lows 57 to 61. Areas of winds west 10 mph in the evening becoming light.
SUNDAY
Mostly sunny. Highs 75 to 79.
SUNDAY NIGHT
Mostly clear. Lows 58 to 62.
MONDAY
Mostly sunny. Highs around 77 at the beaches to 80 farther inland and near higher coastal terrain.
MONDAY NIGHT
Mostly clear. Lows around 60.
TUESDAY
Partly cloudy. Highs 75 to 79.
TUESDAY NIGHT
Partly cloudy. Lows around 60.
WEDNESDAY
Partly cloudy. Highs 73 to 78.
WEDNESDAY NIGHT
Partly cloudy. Lows around 60.

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 10/22/2026
Friday
23 OCT 2026
COSTA MESA, CA 92626 weather forecast Day 1, 0 hours 11 PM 60° 59° Mostly Cloudy 64%
RAIN
***
0% Thunder
( 5% severe)
S   7 90% 57°
Low 57° COSTA MESA, CA 92626 weather forecast Day 1, 3 hours 2 AM 59° 58° Mostly Cloudy S   6 96% 58°
High 70° COSTA MESA, CA 92626 weather forecast Day 1, 6 hours 5 AM 58° 58° Mostly Cloudy 18%
RAIN
.01–.1 in
0% Thunder
( 2% severe)
ESE   5 100% 58°

Partly Cloudy



COSTA MESA, CA 92626 weather forecast Day 1, 9 hours 8 AM 59° 58° Partly Cloudy ESE   6 100% 59°
COSTA MESA, CA 92626 weather forecast Day 1, 12 hours 11 AM 66° 66° Partly Cloudy 9%

0% Thunder
( 6% severe)
  CALM 75% 58°
COSTA MESA, CA 92626 weather forecast Day 1, 15 hours 2 PM 70° 70° Partly Cloudy WSW   6 66% 58°
COSTA MESA, CA 92626 weather forecast Day 1, 18 hours 5 PM 69° 69° Clear 5%

0% Thunder
( 7% severe)
WSW   7 66% 57°
COSTA MESA, CA 92626 weather forecast Day 1, 21 hours 8 PM 64° 65° Clear WSW   3 84% 59°
Saturday
24 OCT 2026
COSTA MESA, CA 92626 weather forecast Day 2, 0 hours 11 PM 60° 61° Clear 2%

0% Thunder
( 1% severe)
ESE   3 96% 59°
Low 56° COSTA MESA, CA 92626 weather forecast Day 2, 3 hours 2 AM 59° 60° Clear ESE   3 96% 58°
High 76° COSTA MESA, CA 92626 weather forecast Day 2, 6 hours 5 AM 57° 58° Clear 0%

0% Thunder
( 0% severe)
E   2 100% 57°

Clear



COSTA MESA, CA 92626 weather forecast Day 2, 9 hours 8 AM 58° 58° Clear NE   3 96% 57°
COSTA MESA, CA 92626 weather forecast Day 2, 12 hours 11 AM 70° 70° Clear 0%

0% Thunder
( 1% severe)
  CALM 61% 56°
COSTA MESA, CA 92626 weather forecast Day 2, 15 hours 2 PM 75° 75° Clear W   6 52% 56°
COSTA MESA, CA 92626 weather forecast Day 2, 18 hours 5 PM 74° 74° Clear 0%

0% Thunder
( 1% severe)
WSW   6 53% 56°
COSTA MESA, CA 92626 weather forecast Day 2, 21 hours 8 PM 67° 67° Clear WNW   6 75% 59°

SANTA ANA, CA extended weather forecast

Sunday
25 OCT 2026
Monday
26 OCT 2026
Tuesday
27 OCT 2026
Wednesday
28 OCT 2026
Thursday
29 OCT 2026
Low 59° Low 60° Low 59° Low 60° Low 59°
High 78° High 79° High 74° High 71° High 72°
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
Clear
1% Rain
Clear
3% Rain
Partly Cloudy
7% Rain
Mostly Cloudy
17% Rain
Mostly Cloudy
34% Rain
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