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100+ F in Phoenix as record-shattering March scorcher intensifies. See how hot it will get. Chevron right

Costa Mesa, CA

67°F
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Costa Mesa

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Costa Mesa, CA Weather
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Winter Center
Today Hourly Daily Radar MinuteCast® Monthly Air Quality Health & Activities
Thursday, March 19

Current Weather

2:42 AM

67°F
Clear
RealFeel® 65°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
RealFeel®
65°
Wind
SW 5 mph
Wind Gusts
5 mph
Humidity
67%
Indoor Humidity
65% (Slightly Humid)
Dew Point
56° F
Pressure
↔ 30.03 in
Cloud Cover
0%
Visibility
10 mi
Cloud Ceiling
40000 ft

Day

3/19
77°Hi
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
RealFeel Shade™ 74°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
Warm with plenty of sunshine
alerts

Heat Advisory

10:00 AM Monday - 8:00 PM Friday

Max UV Index6.0 (High)

AccuLumen Brightness Index™9 (Very Bright)

WindSW 6 mph

Wind Gusts14 mph

Probability of Precipitation0%

Probability of Thunderstorms0%

Precipitation0.00 in

Cloud Cover10%

Morning

Afternoon

Night

3/19
61°Lo
RealFeel® 62°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
Clear
alerts

Heat Advisory

10:00 AM Monday - 8:00 PM Friday

WindSW 5 mph

Wind Gusts7 mph

Probability of Precipitation0%

Probability of Thunderstorms0%

Precipitation0.00 in

Cloud Cover10%

Evening

Overnight

Sun & Moon

12 hrs 06 mins
Rise 6:57 AM
Set 7:03 PM
Waxing Crescent
Rise 7:10 AM
Set 8:07 PM

Temperature History

3/19
High
Low
Forecast
77°
61°
Average
65°
53°
Last Year
74°
47°

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Weather Near Costa Mesa:

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