Download the UV Index Today app - Get daily UV alerts

UV Index for Sumner, WA

Current Sumner UV Index

0 (Low)

Last Updated 37 minutes ago

Download the UV Index Today app - Get daily UV alerts

Hourly Sumner UV Index

The hourly Sumner, WA UV Index forecast for Wednesday, July 1st, 2026.

5 Day Hourly Sumner UV Index Forecast

Last Updated 1 day ago