Download the UV Index Today app - Get daily UV alerts

UV Index for Holtville, CA

Current Holtville UV Index

0 (Low)

Last Updated 31 minutes ago

Download the UV Index Today app - Get daily UV alerts

Hourly Holtville UV Index

The hourly Holtville, CA UV Index forecast for Friday, July 31st, 2026.

5 Day Hourly Holtville UV Index Forecast

Last Updated 16 hours ago