UV Index Today in Ohio (OH)

Tuesday, October 13, 2026 -3:24 PM EDT (GMT-4)

The average maximum UV Index today across 2,133 locations in Ohio (OH), is 5.2. The highest projected maximum is 5.4 in Cincinnati at 2:00 PM EDT, while the lowest projected maximum is 4.9 in Youngstown at 2:00 PM EDT.

Tomorrow, the average maximum UV Index across those same locations is expected to be 3.6. The highest projected maximum is 5.5 in Pleasant at 2:00 PM EDT, and the lowest projected maximum is 0.7 in Pioneer at 1:00 PM EDT.

Data Source: National Oceanic and Atmospheric Administration (NOAA)

88 Counties in Ohio (OH)

Average Maximum UV Index Today
  • Butler County - 5.4
  • Clermont County - 5.4
  • Cuyahoga County - 5
  • Delaware County - 5.1
  • Franklin County - 5.2
  • Hamilton County - 5.4
  • Lake County - 4.9
  • Lorain County - 5
  • Lucas County - 5.1
  • Mahoning County - 4.9
  • Montgomery County - 5.2
  • Stark County - 5
  • Summit County - 5
  • Trumbull County - 5
  • Warren County - 5.3
Data Source: National Oceanic and Atmospheric Administration (NOAA)

881 Places in Ohio (OH)

Maximum UV Index Today
  • Cincinnati - 5.4
  • Cleveland - 5
  • Columbus - 5.2
  • Toledo - 5
Data Source: National Oceanic and Atmospheric Administration (NOAA)