COSTA MESA, CA 92626 Weather Forecast & Current Conditions

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SANTA ANA, CA
Current Weather

7:53 PM PDT APR 19, 2026
Few Clouds
64°F
Feels Like: 64°F
Dewpoint: 55°F
Rel. Hum.: 73%
Visibility: 10 miles
Wind: SW at 6 mph
Pressure: 29.90 inches
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COSTA MESA, CA 92626
Weather Forecast

Snowfall Forecast pages
Snow Depth pages
TONIGHT
Mostly clear this evening...becoming mostly cloudy. Lows 51 to 54. Areas of winds west 10 mph this evening becoming light.
MONDAY
Partly cloudy. Highs 65 to 68 at the beaches to 68 to 72 farther inland and near higher coastal terrain. Light winds becoming west 10 to 15 mph with gusts to 25 mph in the afternoon.
MONDAY NIGHT
Partly cloudy. Lows 51 to 54. Areas of winds west 10 to 15 mph in the evening becoming light.
TUESDAY
Mostly cloudy in the morning, then partly cloudy with a slight chance of showers in the afternoon. Highs around 67 at the beaches to 69 to 72 farther inland and near higher coastal terrain. Light winds becoming southwest 10 to 15 mph in the afternoon. Chance of measurable precipitation 20 percent.
TUESDAY NIGHT
Mostly cloudy. Lows around 53. Areas of winds northwest 10 to 15 mph.
WEDNESDAY
Partly cloudy. Highs 66 to 71.
WEDNESDAY NIGHT
Partly cloudy in the evening...becoming mostly clear. Lows 50 to 54.
THURSDAY
Mostly sunny in the morning...becoming partly cloudy. Highs around 69 at the beaches to 71 to 74 farther inland and near higher coastal terrain.
THURSDAY NIGHT
Partly cloudy. Lows 53 to 56.
FRIDAY
Partly cloudy. Highs 67 to 72.
FRIDAY NIGHT
Partly cloudy. Lows 53 to 56.
SATURDAY
Partly cloudy. Highs around 67 at the beaches to 70 farther inland and near higher coastal terrain.
SATURDAY NIGHT
Partly cloudy. Lows around 54.

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  4/19/2026
Sunday
19 APR 2026
COSTA MESA, CA 92626 weather forecast Day 1, 12 hours 11 AM 70° 70° Partly Cloudy 0%

0% Thunder
( 0% severe)
SW   5 59% 55°
High 73° COSTA MESA, CA 92626 weather forecast Day 1, 15 hours 2 PM 72° 72° Partly Cloudy SW   10 53% 54°
Partly Cloudy



COSTA MESA, CA 92626 weather forecast Day 1, 18 hours 5 PM 71° 71° Clear 0%

0% Thunder
( 0% severe)
SW   9 51% 52°
COSTA MESA, CA 92626 weather forecast Day 1, 21 hours 8 PM 65° 65° Partly Cloudy WSW   6 68% 54°
Monday
20 APR 2026
COSTA MESA, CA 92626 weather forecast Day 2, 0 hours 11 PM 61° 62° Partly Cloudy 0%

0% Thunder
( 0% severe)
SW   3 81% 55°
Low 56° COSTA MESA, CA 92626 weather forecast Day 2, 3 hours 2 AM 59° 60° Partly Cloudy W   1 87% 55°
High 72° COSTA MESA, CA 92626 weather forecast Day 2, 6 hours 5 AM 58° 59° Partly Cloudy 0%

0% Thunder
( 0% severe)
  CALM 87% 54°

Partly Cloudy



COSTA MESA, CA 92626 weather forecast Day 2, 9 hours 8 AM 59° 60° Partly Cloudy   CALM 80% 53°
COSTA MESA, CA 92626 weather forecast Day 2, 12 hours 11 AM 67° 67° Clear 0%

0% Thunder
( 0% severe)
SW   6 59% 52°
COSTA MESA, CA 92626 weather forecast Day 2, 15 hours 2 PM 70° 70° Partly Cloudy WSW   12 51% 51°
COSTA MESA, CA 92626 weather forecast Day 2, 18 hours 5 PM 69° 69° Clear 0%

0% Thunder
( 0% severe)
WSW   10 49% 49°
COSTA MESA, CA 92626 weather forecast Day 2, 21 hours 8 PM 63° 63° Partly Cloudy WSW   8 62% 50°
Tuesday
21 APR 2026
COSTA MESA, CA 92626 weather forecast Day 3, 0 hours 11 PM 59° 59° Partly Cloudy 0%

0% Thunder
( 0% severe)
WSW   5 78% 52°
Low 55° COSTA MESA, CA 92626 weather forecast Day 3, 3 hours 2 AM 57° 58° Partly Cloudy SW   1 83% 52°
High 70° COSTA MESA, CA 92626 weather forecast Day 3, 6 hours 5 AM 56° 56° Partly Cloudy 3%

0% Thunder
( 0% severe)
  CALM 83% 51°

Partly Cloudy



COSTA MESA, CA 92626 weather forecast Day 3, 9 hours 8 AM 59° 60° Partly Cloudy SSE   1 75% 51°
COSTA MESA, CA 92626 weather forecast Day 3, 15 hours 11 AM 66° 66° Partly Cloudy 14%
RAIN
<.01 in
0% Thunder
( 2% severe)
SSW   7 58% 51°
COSTA MESA, CA 92626 weather forecast Day 3, 18 hours 2 PM 68° 68° Partly Cloudy SW   13 57% 52°
COSTA MESA, CA 92626 weather forecast Day 3, 21 hours 5 PM 67° 67° Mostly Cloudy     SW   12 63% 54°

SANTA ANA, CA extended weather forecast

Wednesday
22 APR 2026
Thursday
23 APR 2026
Friday
24 APR 2026
Saturday
25 APR 2026
Sunday
26 APR 2026
Low 59° Low 56° Low 59° Low 59° Low 57°
High 71° High 69° High 70° High 70° High 69°
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
Mostly Cloudy
40% Rain
Partly Cloudy
7% Rain
Mostly Cloudy
13% Rain
Overcast
27% Rain
Partly Cloudy
26% Rain
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