COSTA MESA, CA 92626 Weather Forecast & Current Conditions

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SANTA ANA, CA
Current Weather

7:53 PM PDT JUN 16, 2026
Few Clouds
66°F
Feels Like: 66°F
Dewpoint: 57°F
Rel. Hum.: 73%
Visibility: 10 miles
Wind: W at 6 mph
Pressure: 29.91 inches
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COSTA MESA, CA 92626
Weather Forecast

Snowfall Forecast pages
Snow Depth pages
TONIGHT
Partly cloudy this evening...becoming cloudy. Patchy fog. Lows 59 to 63. Areas of winds west 10 to 15 mph this evening becoming light.
WEDNESDAY
Cloudy with patchy fog in the morning...becoming mostly sunny. Highs 70 to 75. Light winds becoming southwest 10 to 15 mph in the afternoon.
WEDNESDAY NIGHT
Partly cloudy in the evening...becoming cloudy overnight with patchy fog. Lows 59 to 63. Areas of winds west 10 mph in the evening becoming light.
THURSDAY
Cloudy in the morning...becoming partly cloudy. Patchy fog in the morning. Highs 69 to 74. Areas of winds southwest to 10 mph.
THURSDAY NIGHT
Partly cloudy in the evening...becoming cloudy overnight with patchy fog. Lows 57 to 61. Areas of winds west 10 mph in the evening becoming light.
JUNETEENTH
Cloudy in the morning...becoming partly cloudy. Patchy fog in the morning. Highs 69 to 73.
FRIDAY NIGHT
Mostly clear in the evening...becoming partly cloudy. Lows 56 to 60.
SATURDAY
Mostly cloudy in the morning...becoming partly cloudy. Highs 68 to 73.
SATURDAY NIGHT
Mostly clear in the evening...becoming partly cloudy. Lows 56 to 60.
SUNDAY
Mostly cloudy in the morning...becoming partly cloudy. Highs 69 to 74.
SUNDAY NIGHT
Mostly clear in the evening...becoming partly cloudy. Lows 56 to 60.
MONDAY
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.
MONDAY NIGHT
Mostly clear in the evening...becoming partly cloudy. Lows 57 to 61.

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  6/16/2026
Tuesday
16 JUN 2026
COSTA MESA, CA 92626 weather forecast Day 1, 12 hours 11 AM 73° 73° Partly Cloudy 0%

0% Thunder
( 0% severe)
WSW   8 64% 60°
High 76° COSTA MESA, CA 92626 weather forecast Day 1, 15 hours 2 PM 75° 75° Clear WSW   12 60% 60°
Clear



COSTA MESA, CA 92626 weather forecast Day 1, 18 hours 5 PM 74° 74° Clear 0%

0% Thunder
( 0% severe)
WSW   12 62% 60°
COSTA MESA, CA 92626 weather forecast Day 1, 21 hours 8 PM 67° 67° Clear WSW   9 78% 60°
Wednesday
17 JUN 2026
COSTA MESA, CA 92626 weather forecast Day 2, 0 hours 11 PM 65° 65° Mostly Cloudy 0%

0% Thunder
( 0% severe)
WSW   6 84% 60°
Low 64° COSTA MESA, CA 92626 weather forecast Day 2, 3 hours 2 AM 65° 65° Mostly Cloudy SW   2 84% 60°
High 73° COSTA MESA, CA 92626 weather forecast Day 2, 6 hours 5 AM 65° 65° Mostly Cloudy 0%

0% Thunder
( 0% severe)
  CALM 81% 59°

Decreasing Clouds



COSTA MESA, CA 92626 weather forecast Day 2, 9 hours 8 AM 65° 65° Mostly Cloudy SW   2 81% 59°
COSTA MESA, CA 92626 weather forecast Day 2, 12 hours 11 AM 71° 71° Partly Cloudy 0%

0% Thunder
( 0% severe)
SW   8 66% 59°
COSTA MESA, CA 92626 weather forecast Day 2, 15 hours 2 PM 73° 73° Clear SW   12 64% 60°
COSTA MESA, CA 92626 weather forecast Day 2, 18 hours 5 PM 72° 72° Clear 0%

0% Thunder
( 0% severe)
WSW   12 66% 60°
COSTA MESA, CA 92626 weather forecast Day 2, 21 hours 8 PM 66° 66° Partly Cloudy WSW   10 78% 59°
Thursday
18 JUN 2026
COSTA MESA, CA 92626 weather forecast Day 3, 0 hours 11 PM 64° 64° Mostly Cloudy 6%

0% Thunder
( 0% severe)
SW   6 84% 59°
Low 64° COSTA MESA, CA 92626 weather forecast Day 3, 3 hours 2 AM 64° 65° Mostly Cloudy SSW   3 84% 59°
High 72° COSTA MESA, CA 92626 weather forecast Day 3, 6 hours 5 AM 65° 65° Mostly Cloudy 7%

0% Thunder
( 0% severe)
  CALM 81% 59°

Decreasing Clouds



COSTA MESA, CA 92626 weather forecast Day 3, 9 hours 8 AM 65° 65° Mostly Cloudy SSW   2 78% 58°
COSTA MESA, CA 92626 weather forecast Day 3, 15 hours 11 AM 69° 69° Mostly Cloudy 0%

0% Thunder
( 0% severe)
SW   7 68% 58°
COSTA MESA, CA 92626 weather forecast Day 3, 18 hours 2 PM 72° 72° Clear WSW   12 64% 59°
COSTA MESA, CA 92626 weather forecast Day 3, 21 hours 5 PM 71° 71° Clear     WSW   10 66% 59°

SANTA ANA, CA extended weather forecast

Friday
19 JUN 2026
Saturday
20 JUN 2026
Sunday
21 JUN 2026
Monday
22 JUN 2026
Tuesday
23 JUN 2026
Low 63° Low 63° Low 63° Low 63° Low 65°
High 75° High 73° High 73° High 73° High 78°
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
2% Rain
Partly Cloudy
6% Rain
Mostly Cloudy
8% Rain
Overcast
4% Rain
Overcast
5% Rain
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