Costa Mesa, CA Weather Forecast

Today's Weather

Sat, Oct 3

Sizzling sunshine with the temperature approaching the record of 102 set in 2014; danger of dehydration and heatstroke if outside for extended periods of time Hi: 100°

Tonight: Clear and warm Lo: 73°

Current Weather

6:03 PM

Costa Mesa Weather Radar

Static Radar Temporarily Unavailable

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Clouds

Temperature

Hourly Weather

10-Day Weather Forecast

Today

10/3

100° 73°

Near-record temperatures

Night: Clear and warm

Sun

10/4

95° 71°

Hot with sunshine

Clear and humid

Mon

10/5

97° 70°

Sweltering heat with sunshine

Clear and humid

Tue

10/6

93° 68°

Sunny and hot

Clear and humid

Wed

10/7

90° 69°

Very warm with sunshine

Clear and humid

Thu

10/8

87° 70°

Sunny and very warm

Mainly clear and humid

Fri

10/9

88° 73°

Partly sunny and very warm

Partly cloudy, warm and humid

Sat

10/10

80° 69°

Mostly cloudy and not as warm

Clearing

Sun

10/11

74° 65°

Partly sunny

Rather cloudy with showers

25%

Mon

10/12

75° 65°

Periods of rain

Mostly cloudy, a little rain

60%

Sun & Moon

11 hrs 47 mins

Rise 6:47 AM

Set 6:34 PM

Last Quarter

Rise --

Set 2:24 PM

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.