UV Index Today in Indiana (IN)

Friday, May 22, 2026 -2:37 PMEDT (GMT-4)

The average maximum UV Index today across 1,434 locations in Indiana (IN), is 4.8. The highest projected maximum is 7.5 in Monroe at 1:00 PM EDT, while the lowest projected maximum is 0.6 in Perry at 1:00 PM EDT.

Tomorrow, the average maximum UV Index across those same locations is expected to be 4.2. The highest projected maximum is 7.6 in Boston at 2:00 PM EDT, and the lowest projected maximum is 0.7 in Pleasant at 12:00 PM EDT.

Data Source: National Oceanic and Atmospheric Administration (NOAA)

92 Counties in Indiana (IN)

Average Maximum UV Index Today
  • Allen County - 7
  • Hamilton County - 6.4
  • Lake County - 6.7
  • Marion County - 5.8
  • St. Joseph County - 7.2
Data Source: National Oceanic and Atmospheric Administration (NOAA)

508 Places in Indiana (IN)

Maximum UV Index Today
  • Fort Wayne - 6.8
Data Source: National Oceanic and Atmospheric Administration (NOAA)