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Costa Mesa, CA

87°F
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Costa Mesa

California

87°
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Costa Mesa, CA Weather
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4 PM

82°
RealFeel® 82°
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.
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rain drop 0%
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Sunny
alerts

Heat Advisory

10:00 AM Thursday - 8:00 PM Friday

RealFeel Shade™79°

WindWNW 9 mph

Air QualityPoor

Max UV Index2.9 (Moderate)

Wind Gusts16 mph

Humidity37%

Indoor Humidity37% (Ideal Humidity)

Dew Point53° F

AccuLumen Brightness Index™10 (Very Bright)

Cloud Cover1%

Visibility10 mi

Cloud Ceiling33400 ft

5 PM

83°
RealFeel® 82°
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
alerts

Heat Advisory

10:00 AM Thursday - 8:00 PM Friday

RealFeel Shade™79°

WindW 9 mph

Air QualityPoor

Max UV Index1.9 (Low)

Wind Gusts16 mph

Humidity35%

Indoor Humidity35% (Ideal Humidity)

Dew Point52° F

AccuLumen Brightness Index™10 (Very Bright)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

6 PM

79°
RealFeel® 77°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
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rain drop 0%
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Sunny
alerts

Heat Advisory

10:00 AM Thursday - 8:00 PM Friday

RealFeel Shade™77°

WindW 8 mph

Air QualityPoor

Max UV Index0.9 (Low)

Wind Gusts13 mph

Humidity35%

Indoor Humidity35% (Ideal Humidity)

Dew Point49° F

AccuLumen Brightness Index™5 (Medium)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

7 PM

76°
RealFeel® 73°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
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Clear
alerts

Heat Advisory

10:00 AM Thursday - 8:00 PM Friday

WindW 6 mph

Air QualityPoor

Wind Gusts9 mph

Humidity41%

Indoor Humidity41% (Ideal Humidity)

Dew Point50° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

8 PM

72°
RealFeel® 70°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Clear
alerts

Heat Advisory

10:00 AM Thursday - 8:00 PM Friday

WindWNW 5 mph

Air QualityPoor

Wind Gusts6 mph

Humidity47%

Indoor Humidity47% (Ideal Humidity)

Dew Point51° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

9 PM

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

Heat Advisory

10:00 AM Thursday - 8:00 PM Friday

WindWNW 5 mph

Air QualityPoor

Wind Gusts6 mph

Humidity52%

Indoor Humidity52% (Ideal Humidity)

Dew Point51° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

10 PM

66°
RealFeel® 64°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Clear
alerts

Heat Advisory

10:00 AM Thursday - 8:00 PM Friday

WindW 5 mph

Air QualityPoor

Wind Gusts5 mph

Humidity57%

Indoor Humidity54% (Ideal Humidity)

Dew Point51° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

11 PM

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

Heat Advisory

10:00 AM Thursday - 8:00 PM Friday

WindSSE 5 mph

Air QualityPoor

Wind Gusts5 mph

Humidity61%

Indoor Humidity53% (Ideal Humidity)

Dew Point50° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

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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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