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Costa Mesa, CA

68°F
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Costa Mesa

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68°
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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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 10-Day Radar MinuteCast® Monthly Air Quality Health & Activities

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12 PM

69°
RealFeel® 64°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 51%
Chevron down
Showers
alerts

Coastal Flood Warning

1:42 PM Friday - 3:00 PM Sunday
alerts

Beach Hazards Statement

6:00 AM Sunday - 10:00 PM Sunday

RealFeel Shade™64°

WindSW 14 mph

Air QualityFair

Max UV Index1.0 (Low)

Wind Gusts18 mph

Humidity79%

Indoor Humidity79% (Slightly Humid)

Dew Point62° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover100%

Rain0.01 in

Visibility10 mi

Cloud Ceiling3700 ft

1 PM

69°
RealFeel® 67°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 47%
Chevron down
Cloudy
alerts

Coastal Flood Warning

1:42 PM Friday - 3:00 PM Sunday
alerts

Beach Hazards Statement

6:00 AM Sunday - 10:00 PM Sunday

RealFeel Shade™66°

WindSW 13 mph

Air QualityFair

Max UV Index1.4 (Low)

Wind Gusts18 mph

Humidity76%

Indoor Humidity76% (Slightly Humid)

Dew Point61° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover95%

Visibility10 mi

Cloud Ceiling3700 ft

2 PM

69°
RealFeel® 68°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 20%
Chevron down
Cloudy
alerts

Coastal Flood Warning

1:42 PM Friday - 3:00 PM Sunday
alerts

Beach Hazards Statement

6:00 AM Sunday - 10:00 PM Sunday

RealFeel Shade™66°

WindSW 12 mph

Air QualityFair

Max UV Index1.4 (Low)

Wind Gusts17 mph

Humidity73%

Indoor Humidity73% (Slightly Humid)

Dew Point60° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover90%

Visibility10 mi

Cloud Ceiling3700 ft

3 PM

69°
RealFeel® 67°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 20%
Chevron down
Mostly cloudy
alerts

Coastal Flood Advisory

3:00 PM Sunday - 2:00 PM Tuesday
alerts

Beach Hazards Statement

6:00 AM Sunday - 10:00 PM Sunday

RealFeel Shade™66°

WindSW 10 mph

Air QualityFair

Max UV Index1.2 (Low)

Wind Gusts17 mph

Humidity71%

Indoor Humidity71% (Slightly Humid)

Dew Point59° F

AccuLumen Brightness Index™3 (Dull)

Cloud Cover89%

Visibility10 mi

Cloud Ceiling3700 ft

4 PM

69°
RealFeel® 67°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 20%
Chevron down
Mostly cloudy
alerts

Coastal Flood Advisory

3:00 PM Sunday - 2:00 PM Tuesday
alerts

Beach Hazards Statement

6:00 AM Sunday - 10:00 PM Sunday

RealFeel Shade™67°

WindSW 10 mph

Air QualityFair

Max UV Index0.8 (Low)

Wind Gusts16 mph

Humidity69%

Indoor Humidity69% (Slightly Humid)

Dew Point59° F

AccuLumen Brightness Index™3 (Dull)

Cloud Cover89%

Visibility10 mi

Cloud Ceiling3700 ft

5 PM

68°
RealFeel® 66°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 20%
Chevron down
Cloudy
alerts

Coastal Flood Advisory

3:00 PM Sunday - 2:00 PM Tuesday
alerts

Beach Hazards Statement

6:00 AM Sunday - 10:00 PM Sunday

RealFeel Shade™66°

WindSSW 9 mph

Air QualityFair

Max UV Index0.5 (Low)

Wind Gusts15 mph

Humidity70%

Indoor Humidity70% (Slightly Humid)

Dew Point58° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover90%

Visibility10 mi

Cloud Ceiling3700 ft

6 PM

68°
RealFeel® 65°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 20%
Chevron down
Cloudy
alerts

Coastal Flood Advisory

3:00 PM Sunday - 2:00 PM Tuesday
alerts

Beach Hazards Statement

6:00 AM Sunday - 10:00 PM Sunday

RealFeel Shade™65°

WindSSW 8 mph

Air QualityFair

Max UV Index0.2 (Low)

Wind Gusts13 mph

Humidity70%

Indoor Humidity69% (Slightly Humid)

Dew Point58° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover91%

Visibility10 mi

Cloud Ceiling3700 ft

7 PM

67°
RealFeel® 64°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 25%
Chevron down
Cloudy
alerts

Coastal Flood Advisory

3:00 PM Sunday - 2:00 PM Tuesday
alerts

Beach Hazards Statement

6:00 AM Sunday - 10:00 PM Sunday

WindSSW 7 mph

Air QualityFair

Wind Gusts10 mph

Humidity74%

Indoor Humidity70% (Slightly Humid)

Dew Point58° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover93%

Visibility10 mi

Cloud Ceiling3700 ft

8 PM

66°
RealFeel® 63°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 44%
Chevron down
Cloudy
alerts

Coastal Flood Advisory

3:00 PM Sunday - 2:00 PM Tuesday
alerts

Beach Hazards Statement

6:00 AM Sunday - 10:00 PM Sunday

WindSW 7 mph

Air QualityFair

Wind Gusts8 mph

Humidity77%

Indoor Humidity71% (Slightly Humid)

Dew Point58° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover94%

Visibility10 mi

Cloud Ceiling3700 ft

9 PM

65°
RealFeel® 63°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 48%
Chevron down
Cloudy
alerts

Coastal Flood Advisory

3:00 PM Sunday - 2:00 PM Tuesday
alerts

Beach Hazards Statement

6:00 AM Sunday - 10:00 PM Sunday

WindSW 7 mph

Air QualityFair

Wind Gusts8 mph

Humidity77%

Indoor Humidity70% (Slightly Humid)

Dew Point58° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover93%

Visibility10 mi

Cloud Ceiling3700 ft

10 PM

65°
RealFeel® 60°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 52%
Chevron down
Showers
alerts

Coastal Flood Advisory

3:00 PM Sunday - 2:00 PM Tuesday

WindSW 7 mph

Air QualityFair

Wind Gusts8 mph

Humidity77%

Indoor Humidity70% (Slightly Humid)

Dew Point58° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover91%

Rain0.04 in

Visibility6 mi

Cloud Ceiling3700 ft

11 PM

65°
RealFeel® 63°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 21%
Chevron down
Cloudy
alerts

Coastal Flood Advisory

3:00 PM Sunday - 2:00 PM Tuesday

WindWSW 7 mph

Air QualityFair

Wind Gusts8 mph

Humidity77%

Indoor Humidity69% (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 69° with a RealFeel® of 64°, showers with a 51% 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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World North America United States California Costa Mesa

Weather Near Costa Mesa:

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