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Costa Mesa, CA

57°F
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Costa Mesa

California

57°
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Costa Mesa, CA Weather
Today WinterCast Local {stormName} Tracker Hourly Daily Radar MinuteCast® Monthly Air Quality Health & Activities

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8 AM

53°
RealFeel® 54°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 0%
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Sunny

RealFeel Shade™54°

WindN 5 mph

Air QualityPoor

Max UV Index0.9 (Low)

Wind Gusts6 mph

Humidity98%

Indoor Humidity57% (Ideal Humidity)

Dew Point52° F

AccuLumen Brightness Index™5 (Medium)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling33400 ft

9 AM

60°
RealFeel® 63°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Sunny

RealFeel Shade™60°

WindN 5 mph

Air QualityPoor

Max UV Index1.9 (Low)

Wind Gusts6 mph

Humidity70%

Indoor Humidity53% (Ideal Humidity)

Dew Point50° F

AccuLumen Brightness Index™10 (Very Bright)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

10 AM

67°
RealFeel® 71°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Sunny
alerts

Heat Advisory

10:00 AM Thursday - 8:00 PM Friday

RealFeel Shade™65°

WindN 5 mph

Air QualityPoor

Max UV Index2.9 (Moderate)

Wind Gusts6 mph

Humidity54%

Indoor Humidity53% (Ideal Humidity)

Dew Point50° F

AccuLumen Brightness Index™10 (Very Bright)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

11 AM

75°
RealFeel® 79°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Sunny
alerts

Heat Advisory

10:00 AM Thursday - 8:00 PM Friday

RealFeel Shade™72°

WindN 6 mph

Air QualityPoor

Max UV Index4.1 (Moderate)

Wind Gusts7 mph

Humidity42%

Indoor Humidity42% (Ideal Humidity)

Dew Point50° F

AccuLumen Brightness Index™10 (Very Bright)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

12 PM

79°
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
Sunny
alerts

Heat Advisory

10:00 AM Thursday - 8:00 PM Friday

RealFeel Shade™77°

WindNNW 7 mph

Air QualityPoor

Max UV Index5.0 (Moderate)

Wind Gusts9 mph

Humidity34%

Indoor Humidity34% (Ideal Humidity)

Dew Point49° F

AccuLumen Brightness Index™10 (Very Bright)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

1 PM

83°
RealFeel® 87°
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™80°

WindNW 7 mph

Air QualityPoor

Max UV Index5.6 (High)

Wind Gusts13 mph

Humidity29%

Indoor Humidity29% (Ideal Humidity)

Dew Point48° F

AccuLumen Brightness Index™10 (Very Bright)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

2 PM

85°
RealFeel® 88°
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™82°

WindNW 8 mph

Air QualityPoor

Max UV Index5.0 (Moderate)

Wind Gusts17 mph

Humidity26%

Indoor Humidity26% (Ideal Humidity)

Dew Point47° F

AccuLumen Brightness Index™10 (Very Bright)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

3 PM

84°
RealFeel® 86°
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™81°

WindWNW 9 mph

Air QualityPoor

Max UV Index4.1 (Moderate)

Wind Gusts17 mph

Humidity27%

Indoor Humidity27% (Ideal Humidity)

Dew Point47° F

AccuLumen Brightness Index™10 (Very Bright)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

4 PM

83°
RealFeel® 83°
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™80°

WindWNW 9 mph

Air QualityPoor

Max UV Index2.9 (Moderate)

Wind Gusts16 mph

Humidity29%

Indoor Humidity29% (Ideal Humidity)

Dew Point48° F

AccuLumen Brightness Index™10 (Very Bright)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

5 PM

80°
RealFeel® 79°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Sunny
alerts

Heat Advisory

10:00 AM Thursday - 8:00 PM Friday

RealFeel Shade™77°

WindW 9 mph

Air QualityPoor

Max UV Index1.9 (Low)

Wind Gusts16 mph

Humidity32%

Indoor Humidity32% (Ideal Humidity)

Dew Point48° F

AccuLumen Brightness Index™10 (Very Bright)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

6 PM

78°
RealFeel® 76°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Sunny
alerts

Heat Advisory

10:00 AM Thursday - 8:00 PM Friday

RealFeel Shade™76°

WindW 8 mph

Air QualityPoor

Max UV Index0.9 (Low)

Wind Gusts13 mph

Humidity37%

Indoor Humidity37% (Ideal Humidity)

Dew Point49° F

AccuLumen Brightness Index™5 (Medium)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

7 PM

74°
RealFeel® 72°
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 6 mph

Air QualityPoor

Wind Gusts9 mph

Humidity43%

Indoor Humidity43% (Ideal Humidity)

Dew Point50° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

8 PM

71°
RealFeel® 69°
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

Humidity49%

Indoor Humidity49% (Ideal Humidity)

Dew Point51° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

9 PM

68°
RealFeel® 66°
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

Humidity54%

Indoor Humidity54% (Ideal Humidity)

Dew Point51° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

10 PM

65°
RealFeel® 65°
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

Humidity60%

Indoor Humidity54% (Ideal Humidity)

Dew Point51° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

11 PM

62°
RealFeel® 62°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
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

Humidity66%

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:

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  • Long Beach, CA
  • Los Angeles, CA
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