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Costa Mesa, CA

72°F
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Costa Mesa

California

72°
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Costa Mesa, CA Weather
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5 PM

71°
RealFeel® 72°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Mostly sunny
alerts

Beach Hazards Statement

11:00 AM Tuesday - 10:00 PM Thursday

RealFeel Shade™68°

WindWSW 10 mph

Air QualityPoor

Max UV Index3.4 (Moderate)

Wind Gusts17 mph

Humidity67%

Indoor Humidity67% (Slightly Humid)

Dew Point60° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover25%

Visibility10 mi

Cloud Ceiling29900 ft

6 PM

71°
RealFeel® 70°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Mostly sunny
alerts

Beach Hazards Statement

11:00 AM Tuesday - 10:00 PM Thursday

RealFeel Shade™68°

WindWSW 9 mph

Air QualityFair

Max UV Index2.1 (Low)

Wind Gusts16 mph

Humidity68%

Indoor Humidity68% (Slightly Humid)

Dew Point60° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover25%

Visibility10 mi

Cloud Ceiling29900 ft

7 PM

69°
RealFeel® 67°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Mostly sunny
alerts

Beach Hazards Statement

11:00 AM Tuesday - 10:00 PM Thursday

RealFeel Shade™66°

WindWSW 9 mph

Air QualityFair

Max UV Index1.1 (Low)

Wind Gusts14 mph

Humidity72%

Indoor Humidity72% (Slightly Humid)

Dew Point59° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover25%

Visibility10 mi

Cloud Ceiling29900 ft

8 PM

68°
RealFeel® 65°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Intermittent clouds
alerts

Beach Hazards Statement

11:00 AM Tuesday - 10:00 PM Thursday

RealFeel Shade™65°

WindWSW 8 mph

Air QualityFair

Max UV Index0.1 (Low)

Wind Gusts12 mph

Humidity74%

Indoor Humidity73% (Slightly Humid)

Dew Point59° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover65%

Visibility10 mi

Cloud Ceiling2000 ft

9 PM

65°
RealFeel® 63°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Mostly cloudy
alerts

Beach Hazards Statement

11:00 AM Tuesday - 10:00 PM Thursday

WindWSW 7 mph

Air QualityFair

Wind Gusts9 mph

Humidity80%

Indoor Humidity72% (Slightly Humid)

Dew Point59° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover76%

Visibility10 mi

Cloud Ceiling2000 ft

10 PM

65°
RealFeel® 64°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Mostly cloudy
alerts

Beach Hazards Statement

11:00 AM Tuesday - 10:00 PM Thursday

WindWSW 6 mph

Air QualityFair

Wind Gusts7 mph

Humidity81%

Indoor Humidity72% (Slightly Humid)

Dew Point59° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover84%

Visibility10 mi

Cloud Ceiling2000 ft

11 PM

65°
RealFeel® 64°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Cloudy
alerts

Beach Hazards Statement

11:00 AM Tuesday - 10:00 PM Thursday

WindSW 6 mph

Air QualityFair

Wind Gusts6 mph

Humidity81%

Indoor Humidity72% (Slightly Humid)

Dew Point59° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover90%

Visibility10 mi

Cloud Ceiling2000 ft

Hourly Weather Forecast for Costa Mesa

AccuWeather's hourly forecast for Costa Mesa provides hour-by-hour temperatures, RealFeel® Temperature, and precipitation probability through the next 10 days. The current hour shows 71° with a RealFeel® of 72°, mostly sunny with a 0% chance of precipitation. Each hourly forecast includes wind speed, humidity, air quality, UV index, and the AccuLumen Brightness Index™, AccuWeather's measure of perceived outdoor light intensity. Forecasts are generated by proprietary systems developed by AccuWeather meteorologists since 1962.

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