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Costa Mesa, CA

70°F
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Costa Mesa

California

70°
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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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12 AM

67°
RealFeel® 66°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Mostly clear

WindSW 5 mph

Air QualityPoor

Wind Gusts6 mph

Humidity85%

Indoor Humidity82% (Humid)

Dew Point63° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover16%

Visibility10 mi

Cloud Ceiling30000 ft

1 AM

67°
RealFeel® 65°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Mostly clear

WindSSW 5 mph

Air QualityPoor

Wind Gusts6 mph

Humidity85%

Indoor Humidity81% (Slightly Humid)

Dew Point62° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover25%

Visibility10 mi

Cloud Ceiling30000 ft

2 AM

66°
RealFeel® 65°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Mostly clear

WindSSW 5 mph

Air QualityPoor

Wind Gusts6 mph

Humidity90%

Indoor Humidity84% (Humid)

Dew Point63° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover25%

Visibility10 mi

Cloud Ceiling30000 ft

3 AM

66°
RealFeel® 65°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Mostly clear

WindSSW 5 mph

Air QualityPoor

Wind Gusts5 mph

Humidity90%

Indoor Humidity84% (Humid)

Dew Point63° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover25%

Visibility10 mi

Cloud Ceiling30000 ft

4 AM

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

WindS 5 mph

Air QualityPoor

Wind Gusts6 mph

Humidity91%

Indoor Humidity83% (Humid)

Dew Point63° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover25%

Visibility10 mi

Cloud Ceiling30000 ft

5 AM

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

WindS 5 mph

Air QualityPoor

Wind Gusts6 mph

Humidity92%

Indoor Humidity83% (Humid)

Dew Point63° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover25%

Visibility10 mi

Cloud Ceiling30000 ft

6 AM

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

WindSSE 5 mph

Air QualityPoor

Wind Gusts6 mph

Humidity93%

Indoor Humidity83% (Humid)

Dew Point63° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover25%

Visibility10 mi

Cloud Ceiling30000 ft

7 AM

66°
RealFeel® 66°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Mostly sunny

RealFeel Shade™66°

WindSSE 5 mph

Air QualityPoor

Max UV Index0.3 (Low)

Wind Gusts7 mph

Humidity89%

Indoor Humidity84% (Humid)

Dew Point63° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover25%

Visibility10 mi

Cloud Ceiling30000 ft

8 AM

69°
RealFeel® 68°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Cloudy

RealFeel Shade™68°

WindSSE 6 mph

Air QualityPoor

Max UV Index0.4 (Low)

Wind Gusts7 mph

Humidity83%

Indoor Humidity83% (Humid)

Dew Point63° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover90%

Visibility8 mi

Cloud Ceiling3000 ft

9 AM

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

RealFeel Shade™70°

WindS 6 mph

Air QualityPoor

Max UV Index1.1 (Low)

Wind Gusts9 mph

Humidity77%

Indoor Humidity77% (Humid)

Dew Point64° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover70%

Visibility8 mi

Cloud Ceiling3000 ft

10 AM

73°
RealFeel® 78°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Partly sunny

RealFeel Shade™72°

WindS 7 mph

Air QualityPoor

Max UV Index3.8 (Moderate)

Wind Gusts10 mph

Humidity72%

Indoor Humidity72% (Humid)

Dew Point64° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover46%

Visibility8 mi

Cloud Ceiling30000 ft

11 AM

75°
RealFeel® 81°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Mostly sunny

RealFeel Shade™74°

WindSSW 7 mph

Air QualityPoor

Max UV Index5.3 (Moderate)

Wind Gusts12 mph

Humidity67%

Indoor Humidity67% (Humid)

Dew Point64° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover25%

Visibility8 mi

Cloud Ceiling30000 ft

12 PM

77°
RealFeel® 84°
Very Warm
RealFeel Guide
Very Warm
82° to 89°
Older adults, infants, and those with sensitive medical conditions should minimize outdoor activity, especially in the sunshine.
LEARN MORE
rain drop 0%
Chevron down
Mostly sunny

RealFeel Shade™75°

WindSSW 8 mph

Air QualityPoor

Max UV Index7.4 (High)

Wind Gusts13 mph

Humidity64%

Indoor Humidity64% (Humid)

Dew Point64° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover12%

Visibility8 mi

Cloud Ceiling30000 ft

1 PM

78°
RealFeel® 85°
Very Warm
RealFeel Guide
Very Warm
82° to 89°
Older adults, infants, and those with sensitive medical conditions should minimize outdoor activity, especially in the sunshine.
LEARN MORE
rain drop 0%
Chevron down
Sunny

RealFeel Shade™76°

WindSW 9 mph

Air QualityPoor

Max UV Index8.3 (Very High)

Wind Gusts16 mph

Humidity61%

Indoor Humidity61% (Humid)

Dew Point64° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover8%

Visibility8 mi

Cloud Ceiling30000 ft

2 PM

79°
RealFeel® 85°
Very Warm
RealFeel Guide
Very Warm
82° to 89°
Older adults, infants, and those with sensitive medical conditions should minimize outdoor activity, especially in the sunshine.
LEARN MORE
rain drop 0%
Chevron down
Mostly sunny

RealFeel Shade™77°

Heat Index80°

WindSW 9 mph

Air QualityPoor

Max UV Index7.4 (High)

Wind Gusts20 mph

Humidity58%

Indoor Humidity58% (Humid)

Dew Point63° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover10%

Visibility10 mi

Cloud Ceiling30000 ft

3 PM

78°
RealFeel® 81°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Mostly sunny

RealFeel Shade™75°

WindWSW 10 mph

Air QualityPoor

Max UV Index5.3 (Moderate)

Wind Gusts21 mph

Humidity61%

Indoor Humidity61% (Humid)

Dew Point63° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover15%

Visibility10 mi

Cloud Ceiling30000 ft

4 PM

77°
RealFeel® 79°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Mostly sunny

RealFeel Shade™75°

WindWSW 10 mph

Air QualityPoor

Max UV Index3.8 (Moderate)

Wind Gusts21 mph

Humidity62%

Indoor Humidity62% (Humid)

Dew Point63° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover21%

Visibility10 mi

Cloud Ceiling30000 ft

5 PM

76°
RealFeel® 76°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Mostly sunny

RealFeel Shade™73°

WindWSW 10 mph

Air QualityPoor

Max UV Index2.4 (Low)

Wind Gusts20 mph

Humidity65%

Indoor Humidity65% (Humid)

Dew Point63° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover25%

Visibility10 mi

Cloud Ceiling30000 ft

6 PM

75°
RealFeel® 74°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Mostly sunny

RealFeel Shade™72°

WindWSW 9 mph

Air QualityPoor

Max UV Index1.4 (Low)

Wind Gusts17 mph

Humidity66%

Indoor Humidity66% (Humid)

Dew Point63° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover23%

Visibility10 mi

Cloud Ceiling30000 ft

7 PM

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

RealFeel Shade™71°

WindWSW 8 mph

Air QualityPoor

Max UV Index0.3 (Low)

Wind Gusts14 mph

Humidity71%

Indoor Humidity71% (Humid)

Dew Point63° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover22%

Visibility10 mi

Cloud Ceiling30000 ft

8 PM

70°
RealFeel® 69°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Mostly clear

WindWSW 7 mph

Air QualityPoor

Wind Gusts10 mph

Humidity77%

Indoor Humidity77% (Humid)

Dew Point63° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover26%

Visibility10 mi

Cloud Ceiling30000 ft

9 PM

69°
RealFeel® 68°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Partly cloudy

WindSW 6 mph

Air QualityPoor

Wind Gusts9 mph

Humidity80%

Indoor Humidity80% (Humid)

Dew Point63° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover36%

Visibility10 mi

Cloud Ceiling30000 ft

10 PM

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

WindSW 6 mph

Air QualityPoor

Wind Gusts6 mph

Humidity82%

Indoor Humidity82% (Humid)

Dew Point63° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover45%

Visibility10 mi

Cloud Ceiling30000 ft

11 PM

68°
RealFeel® 67°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Partly cloudy

WindSSW 5 mph

Air QualityPoor

Wind Gusts6 mph

Humidity84%

Indoor Humidity84% (Humid)

Dew Point63° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover45%

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 67° with a RealFeel® of 66°, mostly clear 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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World North America United States California Costa Mesa

Weather Near Costa Mesa:

  • Anaheim, CA
  • Long Beach, CA
  • Los Angeles, CA
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