• Skip to primary navigation
  • Skip to main content

Sun Scoreboard

Today’s sunshine in every state

Costa Mesa, CA sunshine

Sun Scoreboard › California › Costa Mesa

Sunny today: 93% sunshine.

Updated Wednesday 5:05 AM ET.

Forecast

93%sunshine
TodayHigh 74°, low 57°
Sunrise 6:13 AM
Sunset 4:56 PM
60%sunshine
TomorrowHigh 78°, low 57°
Sunrise 6:14 AM
Sunset 4:55 PM

Nearby cities

  • Santa AnaCA93% sunshine today5 miles
  • Huntington BeachCA92% sunshine today6 miles
  • IrvineCA93% sunshine today8 miles
  • Garden GroveCA93% sunshine today8 miles
  • OrangeCA94% sunshine today9 miles

More Costa Mesa weather

Snow in Costa MesaRain in Costa Mesa

Forecast based on National Weather Service forecast data. The sunshine score is Sun Scoreboard’s own calculation from forecast cloud cover between sunrise and sunset. Sun Scoreboard is not affiliated with the National Weather Service or NOAA.

SunScoreboard.com

Contact · Privacy · Terms
Copyright © 2026
This website may contain affiliate links, which means we may receive a small commission at no extra cost to you if you make a purchase.