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Costa Mesa, CA

70°F
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Costa Mesa

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Costa Mesa, CA Weather
Today WinterCast Local {stormName} Tracker Hourly 10-Day Radar MinuteCast® Monthly Air Quality Health & Activities

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Winter Center

Today

 Hourly 10-Day Radar MinuteCast® Monthly Air Quality Health & Activities

Today's Weather

Fri, Aug 21

Some low clouds early; otherwise, mostly sunny and humid Hi: 83°

Tonight: Partly cloudy Lo: 69°

Current Weather

6:51 AM

70°F
RealFeel® 76°
Mostly cloudy More Details
RealFeel Shade™ 75°
Wind 0 mph
Wind Gusts 0 mph
Air Quality Poor

Costa Mesa Weather Radar

Costa Mesa Weather Radar
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Clouds
Temperature

Hourly Weather

7 AM 70°
rain drop 0%
8 AM 73°
rain drop 0%
9 AM 75°
rain drop 0%
10 AM 78°
rain drop 0%
11 AM 80°
rain drop 0%
12 PM 81°
rain drop 0%
1 PM 82°
rain drop 0%
2 PM 83°
rain drop 0%
3 PM 82°
rain drop 0%
4 PM 81°
rain drop 0%
5 PM 81°
rain drop 0%
6 PM 80°
rain drop 0%

10-Day Weather Forecast

Today

8/21

83° 69°

Humid

Night: Partly cloudy
6%

Sat

8/22

84° 69°

Mostly sunny and very warm

Mainly clear and humid
0%

Sun

8/23

86° 70°

Partly sunny and humid

Clear and humid
0%

Mon

8/24

84° 70°

Partly sunny and very warm

Clear and humid
0%

Tue

8/25

86° 77°

Mostly sunny and humid

Clear, very warm and humid
0%

Wed

8/26

83° 72°

Mostly sunny

Partly cloudy and humid
1%

Thu

8/27

81° 71°

Humid with plenty of sunshine

Partly cloudy and humid
1%

Fri

8/28

82° 70°

Mostly sunny

Clear
0%

Sat

8/29

81° 69°

Mostly sunny

Clear and humid
0%

Sun

8/30

81° 68°

Plenty of sunshine

Clear
0%

Sun & Moon

13 hrs 13 mins
Rise 6:18 AM
Set 7:31 PM
Waxing Gibbous
Rise 3:24 PM
Set 12:56 AM

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 Low 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 Very High Data is not supported in this location

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World North America United States California Costa Mesa

Weather Near Costa Mesa:

  • Anaheim, CA
  • Long Beach, CA
  • Los Angeles, CA
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