COSTA MESA, CA 92626 Weather Forecast & Current Conditions

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SANTA ANA, CA
Current Weather

7:53 PM PDT MAY 14, 2026
Few Clouds
64°F
Feels Like: 65°F
Dewpoint: 55°F
Rel. Hum.: 73%
Visibility: 10 miles
Wind: W at 5 mph
Pressure: 29.97 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 cloudy. Lows 55 to 58. Areas of winds south 10 mph this evening becoming light.
FRIDAY
Cloudy in the morning...becoming partly cloudy. Highs around 67 at the beaches to 68 to 72 farther inland and near higher coastal terrain. Areas of winds south 10 mph.
FRIDAY NIGHT
Mostly cloudy. Lows around 56. Areas of winds south 10 mph.
SATURDAY
Cloudy in the morning...becoming partly cloudy. 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 58. Areas of winds south 10 to 15 mph. Gusts to 25 mph overnight.
SUNDAY
Mostly cloudy. Highs 66 to 71.
SUNDAY NIGHT
Mostly clear in the evening...becoming partly cloudy. Lows 54 to 57.
MONDAY
Partly cloudy in the morning...becoming mostly sunny. Highs 69 to 74.
MONDAY NIGHT
Mostly clear. Lows 55 to 58.
TUESDAY
Partly cloudy. Highs 70 to 73 at the beaches to 74 to 78 farther inland and near higher coastal terrain.
TUESDAY NIGHT
Mostly clear in the evening...becoming partly cloudy. Lows 56 to 59.
WEDNESDAY
Partly cloudy. Highs 71 to 74 at the beaches to 75 to 79 farther inland and near higher coastal terrain.
WEDNESDAY NIGHT
Mostly clear in the evening...becoming 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 AM PDT  5/14/2026
Thursday
14 MAY 2026
COSTA MESA, CA 92626 weather forecast Day 1, 12 hours 11 AM 68° 68° Partly Cloudy 0%

0% Thunder
( 0% severe)
SSW   7 63% 55°
High 71° COSTA MESA, CA 92626 weather forecast Day 1, 15 hours 2 PM 70° 70° Clear SSW   12 61% 56°
Partly Cloudy



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

0% Thunder
( 0% severe)
SW   8 61% 55°
COSTA MESA, CA 92626 weather forecast Day 1, 21 hours 8 PM 63° 63° Partly Cloudy SW   6 81% 57°
Friday
15 MAY 2026
COSTA MESA, CA 92626 weather forecast Day 2, 0 hours 11 PM 60° 61° Partly Cloudy 0%

0% Thunder
( 0% severe)
S   2 90% 57°
Low 58° COSTA MESA, CA 92626 weather forecast Day 2, 3 hours 2 AM 59° 60° Mostly Cloudy SSE   3 93% 57°
High 70° COSTA MESA, CA 92626 weather forecast Day 2, 6 hours 5 AM 58° 59° Mostly Cloudy 0%

0% Thunder
( 0% severe)
SSE   2 96% 57°

Decreasing Clouds



COSTA MESA, CA 92626 weather forecast Day 2, 9 hours 8 AM 62° 62° Mostly Cloudy SE   5 84% 57°
COSTA MESA, CA 92626 weather forecast Day 2, 12 hours 11 AM 68° 68° Partly Cloudy 0%

0% Thunder
( 0% severe)
S   9 68% 57°
COSTA MESA, CA 92626 weather forecast Day 2, 15 hours 2 PM 70° 70° Clear SSW   12 68% 59°
COSTA MESA, CA 92626 weather forecast Day 2, 18 hours 5 PM 68° 68° Clear 0%

0% Thunder
( 0% severe)
SSW   8 70% 58°
COSTA MESA, CA 92626 weather forecast Day 2, 21 hours 8 PM 63° 63° Partly Cloudy SSW   6 90% 60°
Saturday
16 MAY 2026
COSTA MESA, CA 92626 weather forecast Day 3, 0 hours 11 PM 60° 61° Partly Cloudy 0%

0% Thunder
( 0% severe)
S   3 96% 59°
Low 58° COSTA MESA, CA 92626 weather forecast Day 3, 3 hours 2 AM 59° 60° Partly Cloudy SSE   3 96% 58°
High 70° COSTA MESA, CA 92626 weather forecast Day 3, 6 hours 5 AM 58° 58° Mostly Cloudy 0%

0% Thunder
( 0% severe)
SE   3 100% 58°

Mostly Cloudy



COSTA MESA, CA 92626 weather forecast Day 3, 9 hours 8 AM 62° 63° Mostly Cloudy SSE   2 84% 57°
COSTA MESA, CA 92626 weather forecast Day 3, 15 hours 11 AM 68° 68° Partly Cloudy 0%

0% Thunder
( 0% severe)
SSW   9 68% 57°
COSTA MESA, CA 92626 weather forecast Day 3, 18 hours 2 PM 70° 70° Partly Cloudy SSW   13 68% 59°
COSTA MESA, CA 92626 weather forecast Day 3, 21 hours 5 PM 68° 68° Partly Cloudy     SSW   10 70% 58°

SANTA ANA, CA extended weather forecast

Sunday
17 MAY 2026
Monday
18 MAY 2026
Tuesday
19 MAY 2026
Wednesday
20 MAY 2026
Thursday
21 MAY 2026
Low 62° Low 63° Low 62° Low 63° Low 62°
High 73° High 73° High 71° High 72° High 72°
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
7% Rain
Overcast
8% Rain
Mostly Cloudy
10% Rain
Overcast
13% Rain
Overcast
17% Rain
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