79°
F
Feels Like
75°
Precipitation
0 %
Wind
6 mph
Humidity
38 %
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:
Mostly bright and clear and hot; caution advised if doing strenuous activities outside.
Fullerton Weather Forecast Updated
Weather Forecast History
Last Year's Weather on This Day (May 9, 2024)