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Heat wave to intensify as all-time March records fall across the West. See how hot it will get. Chevron right

Costa Mesa, CA

80°F
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Costa Mesa

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Costa Mesa, CA Weather
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Winter Center

Today

 Hourly Daily Radar MinuteCast® Monthly Air Quality Health & Activities
2
Heat Advisory

Today's Weather

Fri, Mar 20

Very warm with plenty of sunshine Hi: 80°

Tonight: Mainly clear; fog will reduce visibilities late Lo: 59°

Current Weather

11:18 AM

80°F
RealFeel® 88°
Sunny More Details
RealFeel Shade™ 78°
Wind SSW 4 mph
Wind Gusts 4 mph
Air Quality Poor

Looking Ahead

Fog will affect the area from late tonight to tomorrow morning

Costa Mesa Weather Radar

Costa Mesa Weather Radar
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Clouds
Temperature

Hourly Weather

12 PM 78°
rain drop 0%
1 PM 78°
rain drop 0%
2 PM 78°
rain drop 0%
3 PM 77°
rain drop 0%
4 PM 76°
rain drop 0%
5 PM 75°
rain drop 0%
6 PM 74°
rain drop 0%
7 PM 71°
rain drop 0%
8 PM 68°
rain drop 0%
9 PM 65°
rain drop 0%
10 PM 62°
rain drop 0%
11 PM 60°
rain drop 0%

10-Day Weather Forecast

Today

3/20

80° 59°

Sunny and very warm

Night: Mainly clear; foggy late
0%

Sat

3/21

75° 60°

Fog will lift in the morning

Some clouds; fog late
0%

Sun

3/22

73° 62°

Fog in the morning; some sun

Partly cloudy; fog late
1%

Mon

3/23

72° 63°

Fog in the a.m.; partly sunny

Partly cloudy
1%

Tue

3/24

74° 62°

Partly sunny and beautiful

Mostly cloudy
2%

Wed

3/25

78° 66°

Nice and warm with some sun

Areas of low clouds and warm
3%

Thu

3/26

79° 66°

Partly sunny, nice and warm

Areas of low clouds and warm
3%

Fri

3/27

81° 68°

Warm with sunny intervals

Turning cloudy
0%

Sat

3/28

76° 66°

Some brightening and warm

Warm with increasing clouds
0%

Sun

3/29

72° 64°

Partly sunny

Clear
0%

Sun & Moon

12 hrs 07 mins
Rise 6:56 AM
Set 7:03 PM
Waxing Crescent
Rise 7:40 AM
Set 9:17 PM

Air Quality

See More
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.

Allergy Outlook

See All
Tree Pollen High Data is not supported in this location Ragweed Pollen Low Data is not supported in this location Mold Low Data is not supported in this location Grass Pollen Low Data is not supported in this location Dust & Dander High Data is not supported in this location

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World North America United States California Costa Mesa

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