New York, NY 61° Los Angeles, CA 86° Chicago, IL 63° Houston, TX 83° Miami, FL 85° Phoenix, AZ 88° Seattle, WA 70° Denver, CO 55° Toronto, ON 52° Vancouver, BC 57°
WeatherLive › California › Costa Mesa › Weekend Forecast

Costa Mesa, CA Weekend Forecast

TodayHourly10-DayWeekendMonthlyRadarAir QualityClimate
← Costa Mesa, CA

Weekend weather — Costa Mesa, CA

How Saturday and Sunday are shaping up (Sat, Oct 17 →). For hour-by-hour timing, open the hourly page.

Saturday

Sat, Oct 17
86° 78°
Sunny
Precip chance
3%
Precip
–
Wind
10 mph
UV index
6

Sunday

Sun, Oct 18
82° 76°
Sunny
Precip chance
1%
Precip
–
Wind
11 mph
UV index
6
📅 Both days look similar. Hour by hour →
More forecasts
Today
Current conditions + details
Hourly
48h
10-Day
Day by day
Monthly
30 days
Powered by NWS/NOAA guidance, multi-model forecasts and official environmental feeds · NOAA/NWS · EPA AirNow · MET Norway · global models
Updated: 5:58 PM