Download the UV Index Today app - Get daily UV alerts

UV Index for Sumner, ME

Current Sumner UV Index

0 (Low)

Last Updated 10 minutes ago

Download the UV Index Today app - Get daily UV alerts

Hourly Sumner UV Index

The hourly Sumner, ME UV Index forecast for Tuesday, September 1st, 2026.

5 Day Hourly Sumner UV Index Forecast

Last Updated 23 hours ago