Download the UV Index Today app - Get daily UV alerts

UV Index for Katonah, NY

Current Katonah UV Index

0 (Low)

Last Updated 50 minutes ago

Download the UV Index Today app - Get daily UV alerts

Hourly Katonah UV Index

The hourly Katonah, NY UV Index forecast for Tuesday, April 7th, 2026.

5 Day Hourly Katonah UV Index Forecast

Last Updated 1 day ago