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Costa Mesa, CA

74°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
Monday, September 15

Day

9/15
76°Hi
RealFeel® 87°
Very Warm
RealFeel Guide
Very Warm
82° to 89°
Older adults, infants, and those with sensitive medical conditions should minimize outdoor activity, especially in the sunshine.
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RealFeel Shade™ 78°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
Some clouds, then sunny

Max UV Index7.0 (High)

AccuLumen Brightness Index™9 (Very Bright)

WindW 5 mph

Wind Gusts14 mph

Probability of Precipitation0%

Probability of Thunderstorms0%

Precipitation0.00 in

Cloud Cover17%

Morning

Afternoon

Night

9/15
63°Lo
RealFeel® 63°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
Clear to partly cloudy this evening; low clouds late

WindW 5 mph

Wind Gusts12 mph

Probability of Precipitation0%

Probability of Thunderstorms0%

Precipitation0.00 in

Cloud Cover53%

Evening

Overnight

Sun & Moon

12 hrs 23 mins
Rise 6:35 AM
Set 6:58 PM
Waning Crescent
Rise 12:07 AM
Set 3:29 PM

Temperature History

9/15
High
Low
Forecast
76°
63°
Average
74°
64°
Last Year
74°
66°

Further Ahead

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Daily

Monthly

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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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