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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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8 PM

67°

RealFeel® 65°

Pleasant

RealFeel Guide

Pleasant

63° to 81°

Most consider this temperature range ideal.

49%

Cloudy

Coastal Flood Advisory

3:00 PM Sunday - 2:00 PM Tuesday

Beach Hazards Statement

6:00 AM Sunday - 10:00 PM Sunday

WindSW 7 mph

Air QualityFair

Wind Gusts8 mph

Humidity72%

Indoor Humidity70% (Slightly Humid)

Dew Point58° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover94%

Visibility10 mi

Cloud Ceiling3700 ft

9 PM

66°

RealFeel® 61°

Cool

RealFeel Guide

Cool

53° to 62°

Light jacket or sweater may be appropriate.

58%

Showers

Coastal Flood Advisory

3:00 PM Sunday - 2:00 PM Tuesday

Beach Hazards Statement

6:00 AM Sunday - 10:00 PM Sunday

WindSW 7 mph

Air QualityFair

Wind Gusts8 mph

Humidity75%

Indoor Humidity70% (Slightly Humid)

Dew Point58° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover93%

Rain0.04 in

Visibility6 mi

Cloud Ceiling3700 ft

10 PM

66°

RealFeel® 61°

Cool

RealFeel Guide

Cool

53° to 62°

Light jacket or sweater may be appropriate.

53%

Showers

Coastal Flood Advisory

3:00 PM Sunday - 2:00 PM Tuesday

WindSW 7 mph

Air QualityFair

Wind Gusts8 mph

Humidity76%

Indoor Humidity70% (Slightly Humid)

Dew Point58° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover91%

Rain0.02 in

Visibility6 mi

Cloud Ceiling3700 ft

11 PM

66°

RealFeel® 63°

Pleasant

RealFeel Guide

Pleasant

63° to 81°

Most consider this temperature range ideal.

40%

Cloudy

Coastal Flood Advisory

3:00 PM Sunday - 2:00 PM Tuesday

WindWSW 7 mph

Air QualityFair

Wind Gusts8 mph

Humidity77%

Indoor Humidity70% (Slightly Humid)

Dew Point58° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover90%

Visibility10 mi

Cloud Ceiling3700 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 67° with a RealFeel® of 65°, cloudy with a 49% 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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