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Costa Mesa, CA

98°F
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Costa Mesa

California

98°
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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
7
Extreme Heat Warning

Today's Weather

Tue, Sep 8

Warmer with times of clouds and sun; watch for coastal flooding, rough surf and beach erosion Hi: 98°

Tonight: Mainly clear and humid Lo: 71°

Current Weather

2:41 PM

98°F
RealFeel® 102°
Mostly sunny More Details
RealFeel Shade™ 97°
Heat Index 100°
Wind N 6 mph
Wind Gusts 6 mph
Air Quality Poor

Looking Ahead

Possible danger of dehydration and heat stroke while doing strenuous activities tomorrow

Costa Mesa Weather Radar

Costa Mesa Weather Radar
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Clouds
Temperature

Hourly Weather

3 PM 97°
rain drop 18%
4 PM 94°
rain drop 18%
5 PM 92°
rain drop 18%
6 PM 89°
rain drop 18%
7 PM 86°
rain drop 12%
8 PM 84°
rain drop 0%
9 PM 81°
rain drop 0%
10 PM 78°
rain drop 0%
11 PM 75°
rain drop 0%
12 AM 74°
rain drop 0%
1 AM 74°
rain drop 0%
2 AM 74°
rain drop 0%

10-Day Weather Forecast

Today

9/8

98° 71°

Warmer with some sun

Night: Mainly clear and humid
55%

Wed

9/9

93° 73°

Hot with sunshine

Mainly clear and humid
3%

Thu

9/10

87° 70°

Mostly sunny and very warm

Partly cloudy and humid
3%

Fri

9/11

81° 68°

Humid with clouds and sun

Partly cloudy and humid
0%

Sat

9/12

80° 67°

Humid with clouds and sun

Mainly clear and humid
1%

Sun

9/13

74° 68°

Mostly sunny and humid

Partly cloudy and humid
2%

Mon

9/14

73° 65°

Sunshine and humid

Partly cloudy and humid
2%

Tue

9/15

74° 67°

Sunshine

Clear
0%

Wed

9/16

76° 66°

Sunshine

Partly cloudy and humid
0%

Thu

9/17

76° 69°

Partly sunny

Clear and humid
0%

Sun & Moon

12 hrs 38 mins
Rise 6:30 AM
Set 7:08 PM
Waning Crescent
Rise 3:43 AM
Set 5:50 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 Low Data is not supported in this location Ragweed Pollen High 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 Extreme Data is not supported in this location

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World North America United States California Costa Mesa

Weather Near Costa Mesa:

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