Download the UV Index Today app - Get daily UV alerts

UV Index for Watertown, WI

Current Watertown UV Index

0 (Low)

Last Updated 40 minutes ago

Download the UV Index Today app - Get daily UV alerts

Hourly Watertown UV Index

The hourly Watertown, WI UV Index forecast for Sunday, August 23rd, 2026.

5 Day Hourly Watertown UV Index Forecast

Last Updated 2 days ago