Download the UV Index Today app - Get daily UV alerts

UV Index for El Cajon, CA

Current El Cajon UV Index

0 (Low)

Last Updated 6 minutes ago

Download the UV Index Today app - Get daily UV alerts

Hourly El Cajon UV Index

The hourly El Cajon, CA UV Index forecast for Tuesday, October 13th, 2026.

5 Day Hourly El Cajon UV Index Forecast

Last Updated 17 hours ago