UV Index for ZIP Code 94101 Today

Live UV index and hourly forecast for 94101, Brisbane, San Mateo County, California, United States.

8 UV Index

Very High

Very high risk of harm. Unprotected skin can burn quickly.

Minimize sun exposure at midday. Cover up, wear a wide-brim hat, and reapply sunscreen often.

UV peaks at 10 (Very High) around 8 PM UTC.

Hourly UV forecast

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Times shown in your local time. Data from currentuvindex.com, updated hourly.

Staying sun-safe in 94101

The UV index tells you how strong the sun's ultraviolet radiation is right now, on a 0 to 11+ scale. When it reaches 3 or higher, protect exposed skin with SPF 30+ sunscreen, a hat, and sunglasses. When it climbs to 8 or above, limit time outdoors in the middle of the day.

Learn more

What is the UV index? UV index scale and chart Best time to avoid the sun Best UV index for tanning UV index and vitamin D Sunscreen and SPF guide