Costa Mesa, CA Weather Forecast

Tonight's Weather

Mon, Aug 24

Mostly clear and humid Lo: 70°

Tomorrow: Some low clouds early; otherwise, mostly sunny, very warm and humid; dangerously large waves, swells and rough surf to affect the area Hi: 84°

Current Weather

11:59 PM

76°F

RealFeel® 77°

Mostly clear More Details

Wind SSW 6 mph

Wind Gusts 6 mph

Air Quality Poor

Costa Mesa Weather Radar

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Clouds

Temperature

Hourly Weather

10-Day Weather Forecast

Tonight

8/24

70° Lo

Mostly clear and humid

Tue

8/25

84° 71°

Partly sunny

Night: Clear and humid

Wed

8/26

85° 72°

Mostly sunny and very warm

Mainly clear and humid

Thu

8/27

87° 73°

Partly sunny and very warm

Mainly clear and humid

Fri

8/28

89° 72°

Increasing clouds; very warm

Clear and humid

Sat

8/29

83° 69°

Mostly sunny and humid

Mainly clear and humid

Sun

8/30

77° 67°

Mostly sunny and humid

Partly cloudy and humid

Mon

8/31

79° 69°

Sunshine

Humid with increasing clouds

Tue

9/1

78° 68°

Mostly sunny

Mainly clear

Wed

9/2

80° 70°

Plenty of sunshine

Clear

Sun & Moon

13 hrs 08 mins

Rise 6:20 AM

Set 7:28 PM

Waxing Gibbous

Rise 5:42 PM

Set 3:47 AM

Air Quality

Air Quality Poor

The air has reached a high level of pollution and is unhealthy for sensitive groups. Reduce time spent outside if you are feeling symptoms such as difficulty breathing or throat irritation.