Download the UV Index Today app - Get daily UV alerts

UV Index for Yosemite Valley, CA

Current Yosemite Valley UV Index

0 (Low)

Last Updated 54 minutes ago

Download the UV Index Today app - Get daily UV alerts

Hourly Yosemite Valley UV Index

The hourly Yosemite Valley, CA UV Index forecast for Friday, August 7th, 2026.

5 Day Hourly Yosemite Valley UV Index Forecast

Last Updated 21 hours ago