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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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Hourly

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

View hourly forecasts 10-days ahead

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1 PM

72°

RealFeel® 79°

Pleasant

RealFeel Guide

Pleasant

63° to 81°

Most consider this temperature range ideal.

0%

Partly sunny

RealFeel Shade™69°

WindSW 9 mph

Air QualityPoor

Max UV Index11.2 (Extreme)

Wind Gusts15 mph

Humidity65%

Indoor Humidity65% (Slightly Humid)

Dew Point60° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover45%

Visibility8 mi

Cloud Ceiling30000 ft

2 PM

73°

RealFeel® 80°

Pleasant

RealFeel Guide

Pleasant

63° to 81°

Most consider this temperature range ideal.

0%

Mostly sunny

RealFeel Shade™70°

WindSW 9 mph

Air QualityPoor

Max UV Index10.3 (Very High)

Wind Gusts16 mph

Humidity60%

Indoor Humidity60% (Slightly Humid)

Dew Point58° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover25%

Visibility10 mi

Cloud Ceiling30000 ft

3 PM

72°

RealFeel® 78°

Pleasant

RealFeel Guide

Pleasant

63° to 81°

Most consider this temperature range ideal.

0%

Mostly sunny

RealFeel Shade™69°

WindSW 9 mph

Air QualityPoor

Max UV Index7.6 (Very High)

Wind Gusts17 mph

Humidity58%

Indoor Humidity58% (Slightly Humid)

Dew Point57° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover25%

Visibility10 mi

Cloud Ceiling30000 ft

4 PM

71°

RealFeel® 74°

Pleasant

RealFeel Guide

Pleasant

63° to 81°

Most consider this temperature range ideal.

0%

Mostly sunny

RealFeel Shade™68°

WindSW 9 mph

Air QualityPoor

Max UV Index4.8 (Moderate)

Wind Gusts20 mph

Humidity60%

Indoor Humidity60% (Slightly Humid)

Dew Point57° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover25%

Visibility10 mi

Cloud Ceiling30000 ft

5 PM

70°

RealFeel® 71°

Pleasant

RealFeel Guide

Pleasant

63° to 81°

Most consider this temperature range ideal.

0%

Mostly sunny

RealFeel Shade™67°

WindSW 9 mph

Air QualityPoor

Max UV Index3.2 (Moderate)

Wind Gusts17 mph

Humidity62%

Indoor Humidity62% (Slightly Humid)

Dew Point57° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover25%

Visibility10 mi

Cloud Ceiling30000 ft

6 PM

69°

RealFeel® 68°

Pleasant

RealFeel Guide

Pleasant

63° to 81°

Most consider this temperature range ideal.

0%

Mostly sunny

RealFeel Shade™66°

WindSW 9 mph

Air QualityPoor

Max UV Index1.9 (Low)

Wind Gusts16 mph

Humidity66%

Indoor Humidity66% (Slightly Humid)

Dew Point57° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover22%

Visibility10 mi

Cloud Ceiling30000 ft

7 PM

66°

RealFeel® 65°

Pleasant

RealFeel Guide

Pleasant

63° to 81°

Most consider this temperature range ideal.

0%

Mostly sunny

RealFeel Shade™65°

WindSW 8 mph

Air QualityPoor

Max UV Index0.9 (Low)

Wind Gusts14 mph

Humidity73%

Indoor Humidity68% (Slightly Humid)

Dew Point57° F

AccuLumen Brightness Index™5 (Medium)

Cloud Cover21%

Visibility10 mi

Cloud Ceiling30000 ft

8 PM

65°

RealFeel® 63°

Pleasant

RealFeel Guide

Pleasant

63° to 81°

Most consider this temperature range ideal.

0%

Partly cloudy

WindSW 7 mph

Air QualityPoor

Wind Gusts13 mph

Humidity76%

Indoor Humidity69% (Slightly Humid)

Dew Point58° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover46%

Visibility10 mi

Cloud Ceiling30000 ft

9 PM

62°

RealFeel® 61°

Cool

RealFeel Guide

Cool

53° to 62°

Light jacket or sweater may be appropriate.

0%

Partly cloudy

WindSW 6 mph

Air QualityFair

Wind Gusts10 mph

Humidity84%

Indoor Humidity69% (Slightly Humid)

Dew Point57° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover46%

Visibility10 mi

Cloud Ceiling30000 ft

10 PM

60°

RealFeel® 59°

Cool

RealFeel Guide

Cool

53° to 62°

Light jacket or sweater may be appropriate.

0%

Intermittent clouds

WindSW 6 mph

Air QualityFair

Wind Gusts8 mph

Humidity90%

Indoor Humidity68% (Slightly Humid)

Dew Point57° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover50%

Visibility10 mi

Cloud Ceiling30000 ft

11 PM

60°

RealFeel® 59°

Cool

RealFeel Guide

Cool

53° to 62°

Light jacket or sweater may be appropriate.

0%

Intermittent clouds

WindSSW 6 mph

Air QualityFair

Wind Gusts7 mph

Humidity90%

Indoor Humidity67% (Slightly Humid)

Dew Point57° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover65%

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 72° with a RealFeel® of 79°, partly 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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Anaheim, CA
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