Today | Weather | Tuesday, May 20, 2025
Costa Mesa, California. 08:18 PM
Now
Cloudy NightCloudy night, overcast skies at night with no rain.
68° F
Feels Like 66°
Precipitation 0 %
Wind 6 mph
Humidity 73 %
Today
Sunny WeatherSunny weather, clear skies and sunny weather.
Day 77°
Night 59°
Precipitation 0 %
Wind 6 mph
UV Index (0 - 11+) 11

Warning: Extreme UV Index Today: 11

Overexposure to the sun's harmful UV rays can cause sunburn and increase the risk of developing skin cancer, including melanoma. Protect yourself by wearing clothing that covers your skin, sunglasses, and a hat. Apply a broad-spectrum sunscreen with an SPF of 30 or higher every two hours, even on cloudy days. Minimize direct sun exposure during peak hours (10 AM to 4 PM) to reduce the risk.

Other:

Warm with bright sunlight.

Costa Mesa Weather Forecast Updated

Weather Forecast History

Last Year's Weather on This Day (May 20, 2024)

Day

64°

Night

57°