Download the UV Index Today app - Get daily UV alerts

UV Index for Southwest Harbor, ME

Current Southwest Harbor UV Index

0 (Low)

Last Updated 1 minute ago

Download the UV Index Today app - Get daily UV alerts

Hourly Southwest Harbor UV Index

The hourly Southwest Harbor, ME UV Index forecast for Friday, March 20th, 2026.

5 Day Hourly Southwest Harbor UV Index Forecast

Last Updated 1 day ago