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Heat wave to intensify as all-time March records fall across the West. See how hot it will get. Chevron right

Costa Mesa, CA

82°F
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Costa Mesa

California

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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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Winter Center
Today Hourly Daily Radar MinuteCast® Monthly Air Quality Health & Activities
Friday, March 20

Current Weather

5:16 PM

82°F
Sunny
RealFeel® 81°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
RealFeel Shade™ 79°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
RealFeel®
81°
RealFeel Shade™
79°
Max UV Index
1.0 (Low)
Wind
WSW 7 mph
Wind Gusts
9 mph
Humidity
36%
Indoor Humidity
36% (Ideal Humidity)
Dew Point
53° F
Pressure
↔ 29.88 in
Cloud Cover
0%
Visibility
10 mi
Cloud Ceiling
37400 ft

Day

3/20
82°Hi
RealFeel® 91°
Hot
RealFeel Guide
Hot
90° to 100°
Caution advised. Possible danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
RealFeel Shade™ 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
Very warm with plenty of sunshine
alerts

Heat Advisory

10:00 AM Monday - 8:00 PM Friday

Max UV Index6.0 (High)

AccuLumen Brightness Index™10 (Very Bright)

WindWSW 5 mph

Wind Gusts15 mph

Probability of Precipitation0%

Probability of Thunderstorms0%

Precipitation0.00 in

Cloud Cover2%

Morning

Afternoon

Night

3/20
57°Lo
RealFeel® 56°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
Mainly clear; fog will reduce visibilities late
alerts

Heat Advisory

10:00 AM Monday - 8:00 PM Friday

WindSSW 5 mph

Wind Gusts8 mph

Probability of Precipitation0%

Probability of Thunderstorms0%

Precipitation0.00 in

Cloud Cover24%

Evening

Overnight

Sun & Moon

12 hrs 07 mins
Rise 6:56 AM
Set 7:03 PM
Waxing Crescent
Rise 7:40 AM
Set 9:17 PM

Temperature History

3/20
High
Low
Forecast
82°
57°
Average
65°
54°
Last Year
63°
49°

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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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