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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

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5 PM

75°

RealFeel® 75°

Pleasant

RealFeel Guide

Pleasant

63° to 81°

Most consider this temperature range ideal.

0%

Sunny

RealFeel Shade™73°

WindWSW 9 mph

Air QualityPoor

Max UV Index2.1 (Low)

Wind Gusts18 mph

Humidity65%

Indoor Humidity65% (Slightly Humid)

Dew Point62° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover8%

Visibility10 mi

Cloud Ceiling33300 ft

6 PM

73°

RealFeel® 72°

Pleasant

RealFeel Guide

Pleasant

63° to 81°

Most consider this temperature range ideal.

0%

Mostly sunny

RealFeel Shade™71°

WindWSW 8 mph

Air QualityPoor

Max UV Index1.1 (Low)

Wind Gusts15 mph

Humidity70%

Indoor Humidity70% (Humid)

Dew Point63° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover11%

Visibility10 mi

Cloud Ceiling30000 ft

7 PM

71°

RealFeel® 69°

Pleasant

RealFeel Guide

Pleasant

63° to 81°

Most consider this temperature range ideal.

0%

Mostly clear

WindWSW 7 mph

Air QualityFair

Wind Gusts12 mph

Humidity77%

Indoor Humidity77% (Humid)

Dew Point63° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover13%

Visibility10 mi

Cloud Ceiling30000 ft

8 PM

70°

RealFeel® 69°

Pleasant

RealFeel Guide

Pleasant

63° to 81°

Most consider this temperature range ideal.

0%

Mostly clear

WindWSW 6 mph

Air QualityFair

Wind Gusts8 mph

Humidity78%

Indoor Humidity78% (Humid)

Dew Point63° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover25%

Visibility10 mi

Cloud Ceiling30000 ft

9 PM

69°

RealFeel® 68°

Pleasant

RealFeel Guide

Pleasant

63° to 81°

Most consider this temperature range ideal.

0%

Mostly clear

WindWSW 5 mph

Air QualityFair

Wind Gusts6 mph

Humidity81%

Indoor Humidity81% (Humid)

Dew Point63° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover25%

Visibility10 mi

Cloud Ceiling30000 ft

10 PM

68°

RealFeel® 67°

Pleasant

RealFeel Guide

Pleasant

63° to 81°

Most consider this temperature range ideal.

0%

Mostly clear

WindSW 5 mph

Air QualityFair

Wind Gusts5 mph

Humidity85%

Indoor Humidity84% (Humid)

Dew Point63° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover25%

Visibility10 mi

Cloud Ceiling30000 ft

11 PM

67°

RealFeel® 66°

Pleasant

RealFeel Guide

Pleasant

63° to 81°

Most consider this temperature range ideal.

0%

Mostly clear

WindSSW 4 mph

Air QualityFair

Wind Gusts5 mph

Humidity87%

Indoor Humidity84% (Humid)

Dew Point63° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover25%

Visibility10 mi

Cloud Ceiling30000 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 75° with a RealFeel® of 75°, 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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