UV Index Today in Southeastern Connecticut Planning Region, Connecticut (CT)

Tuesday, April 7, 2026 - 4:54 AM EDT (GMT-4)

The average maximum UV Index today across 43 locations in Southeastern Connecticut Planning Region, Connecticut (CT), is 5.3. The highest projected maximum is 5.6 in Groton at 1:00 PM EDT, while the lowest projected maximum is 4.9 in East Hampton at 12:00 PM EDT.

Tomorrow, the average maximum UV Index across those same locations is expected to be 5.4. The highest projected maximum is 5.5 in Windham at 1:00 PM EDT, and the lowest projected maximum is 5.3 in Groton at 1:00 PM EDT.

19 County Subdivisions in Southeastern Connecticut Planning Region, Connecticut (CT)

Maximum UV Index Today

24 Places in Southeastern Connecticut Planning Region, Connecticut (CT)

Maximum UV Index Today