COSTA MESA, CA 92626 Weather Forecast & Current Conditions

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SANTA ANA, CA
Current Weather

12:53 AM PDT OCT 26, 2026
Clear
66°F
Feels Like: 66°F
Dewpoint: 61°F
Rel. Hum.: 84%
Visibility: 10 miles
Wind: Calm
Pressure: 30.05 inches
Last 72 hours

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COSTA MESA, CA 92626
Weather Forecast

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TODAY
Mostly sunny. Highs around 76 at the beaches to 80 farther inland and near higher coastal terrain. Light winds becoming west 10 to 15 mph with gusts to 25 mph this afternoon.
TONIGHT
Mostly clear in the evening...becoming partly cloudy overnight with patchy fog. Lows 56 to 60. Areas of winds west to 10 mph in the evening becoming light.
TUESDAY
Partly cloudy with patchy fog in the morning... Becoming mostly sunny. Highs around 72 at the beaches to 73 to 76 farther inland and near higher coastal terrain. Light winds.
TUESDAY NIGHT
Partly cloudy. Patchy fog overnight. Lows around 60. Light winds becoming east to 10 mph overnight.
WEDNESDAY
Mostly cloudy with patchy fog in the morning... Becoming partly cloudy. Highs 70 to 75. Light winds becoming southwest 10 mph in the afternoon.
WEDNESDAY NIGHT
Partly cloudy in the evening...becoming mostly cloudy. Lows around 60.
THURSDAY
Cloudy in the morning...becoming mostly cloudy. Highs 69 to 73.
THURSDAY NIGHT
Partly cloudy in the evening, then mostly cloudy with a slight chance of showers overnight. Lows around 60.
FRIDAY
Mostly cloudy with a slight chance of showers. Highs 68 to 72.
FRIDAY NIGHT
Partly cloudy. A chance of showers overnight. Lows around 60.
SATURDAY
Mostly cloudy with a chance of showers. Highs 66 to 70.
SATURDAY NIGHT
Partly cloudy in the evening...becoming mostly cloudy. A chance of showers. Lows 56 to 59.
SUNDAY
Mostly cloudy with showers likely in the morning, then partly cloudy with a chance of showers in the afternoon. Highs around 70.

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  4:00 PM PST 10/25/2026
Monday
26 OCT 2026
COSTA MESA, CA 92626 weather forecast Day 1, 0 hours 10 PM 66° 66° Partly Cloudy 0%

0% Thunder
( 0% severe)
N   5 75% 58°
Low 60° COSTA MESA, CA 92626 weather forecast Day 1, 3 hours 1 AM 63° 64° Partly Cloudy ESE   3 81% 57°
High 79° COSTA MESA, CA 92626 weather forecast Day 1, 6 hours 4 AM 61° 62° Partly Cloudy 0%

0% Thunder
( 0% severe)
  CALM 84% 56°

Partly Cloudy



COSTA MESA, CA 92626 weather forecast Day 1, 9 hours 7 AM 62° 63° Partly Cloudy E   2 81% 56°
COSTA MESA, CA 92626 weather forecast Day 1, 12 hours 10 AM 75° 75° Clear 0%

0% Thunder
( 0% severe)
  CALM 48% 54°
COSTA MESA, CA 92626 weather forecast Day 1, 15 hours 1 PM 79° 79° Clear WSW   10 41% 53°
COSTA MESA, CA 92626 weather forecast Day 1, 18 hours 4 PM 75° 75° Clear 0%

0% Thunder
( 0% severe)
W   12 50% 55°
COSTA MESA, CA 92626 weather forecast Day 1, 21 hours 7 PM 68° 68° Clear WSW   7 73% 59°
Tuesday
27 OCT 2026
COSTA MESA, CA 92626 weather forecast Day 2, 0 hours 10 PM 64° 64° Clear 0%

0% Thunder
( 0% severe)
SSE   7 81% 58°
Low 58° COSTA MESA, CA 92626 weather forecast Day 2, 3 hours 1 AM 60° 61° Partly Cloudy ESE   3 90% 57°
High 75° COSTA MESA, CA 92626 weather forecast Day 2, 6 hours 4 AM 59° 59° Partly Cloudy 0%

0% Thunder
( 0% severe)
ESE   5 93% 57°

Partly Cloudy



COSTA MESA, CA 92626 weather forecast Day 2, 9 hours 7 AM 61° 61° Partly Cloudy ESE   6 87% 57°
COSTA MESA, CA 92626 weather forecast Day 2, 12 hours 10 AM 72° 72° Partly Cloudy 0%

0% Thunder
( 0% severe)
S   6 57% 56°
COSTA MESA, CA 92626 weather forecast Day 2, 15 hours 1 PM 75° 75° Partly Cloudy SSW   9 50% 55°
COSTA MESA, CA 92626 weather forecast Day 2, 18 hours 4 PM 73° 73° Partly Cloudy 0%

0% Thunder
( 0% severe)
SSW   8 55% 56°
COSTA MESA, CA 92626 weather forecast Day 2, 21 hours 7 PM 66° 66° Partly Cloudy S   3 78% 59°

SANTA ANA, CA extended weather forecast

Wednesday
28 OCT 2026
Thursday
29 OCT 2026
Friday
30 OCT 2026
Saturday
31 OCT 2026
Sunday
1 NOV 2026
Low 60° Low 59° Low 62° Low 59° Low 61°
High 74° High 74° High 70° High 71° High 73°
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
7% Rain
Mostly Cloudy
11% Rain
Overcast
33% Rain
Mostly Cloudy
27% Rain
Overcast
49% Rain
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