Current Weather
10:00 AM
75°F
Sunny
RealFeel® 82°
Very Warm
RealFeel Shade™ 75°
Pleasant
RealFeel®
82°
RealFeel Shade™
75°
Max UV Index
3.3 (Moderate)
Wind
0 mph
Wind Gusts
0 mph
Humidity
53%
Indoor Humidity
53% (Slightly Humid)
Dew Point
57° F
Pressure
↔ 29.93 in
Cloud Cover
0%
Visibility
10 mi
Cloud Ceiling
33400 ft
Day
10/19
80°Hi
RealFeel®
83°
Very Warm
RealFeel Shade™
78°
Pleasant
Mostly sunny and pleasant
Max UV Index4.0 (Moderate)
AccuLumen Brightness Index™9 (Very Bright)
WindWSW 6 mph
Wind Gusts14 mph
Probability of Precipitation0%
Probability of Thunderstorms0%
Precipitation0.00 in
Cloud Cover15%
Night
10/19
64°Lo
RealFeel®
64°
Pleasant
Mainly clear this evening followed by areas of low clouds late
WindS 5 mph
Wind Gusts6 mph
Probability of Precipitation0%
Probability of Thunderstorms0%
Precipitation0.00 in
Cloud Cover35%
Sun & Moon
11 hrs 13 mins
Rise
7:00 AM
Set
6:13 PM
Waxing Gibbous
Rise
2:44 PM
Set
1:21 AM
Temperature History
10/19High
Low
Forecast
80°
64°
Average
73°
60°
Last Year
74°
58°
Current Weather Conditions in Costa Mesa
Costa Mesa, California is currently Sunny with a temperature of 75°. The current RealFeel® Temperature is 82° (Very Warm) based on observed conditions including 53% humidity, 0% cloud cover, a UV index of 3, and winds of 0 mph. In shade, the RealFeel Shade™ is 75°. AccuWeather's MinuteCast® provides minute-by-minute precipitation forecasts for Costa Mesa, powered by forecasting systems and proprietary technology developed by AccuWeather meteorologists since 1962.
