UV Index
UV Index
Today's UV index in Fremont, United States 
will be up to 8.8, indicating a very high level of sun exposure for the average person. Check our tips for today to make sure you're safe in the sun.
Last checked: 2025-05-10
With a UV index of 8.8 in Fremont, it's crucial to safeguard your skin from harmful UV rays. Protect yourself by minimizing sun exposure, wearing protective clothing, and applying SPF 30+ sunscreen every 2 hours.
The UV index in Fremont, California, typically ranges from low to high depending on the season, often reaching moderate to high levels in summer months due to clear skies and strong sunlight.
Fremont experiences warm, dry summers with temperatures often in the 70s to 90s Fahrenheit, and mild, wet winters with temperatures usually between 40s and 60s. Rain mostly falls between November and March.
Compared to other parts of California, Fremont is warmer and drier than coastal cities like San Francisco but cooler and less dry than inland areas like the Central Valley. It has milder winters than many inland parts of the western U.S.
See the UV index hour by hour for Fremont, along with the temperature and how cloudy it is. If the UV level is higher than moderate, it's best to avoid direct sunlight.