Download the UV Index Today app - Get daily UV alerts

UV Index for Jefferson, NJ

Current Jefferson UV Index

0 (Low)

Last Updated 10 minutes ago

Download the UV Index Today app - Get daily UV alerts

Hourly Jefferson UV Index

The hourly Jefferson, NJ UV Index forecast for Monday, April 20th, 2026.

5 Day Hourly Jefferson UV Index Forecast

Last Updated 2 days ago