Jefferson County, IA: Current UV Index and Hourly Forecast

As of 4:50 PM CDT on August 27, 2025, all 7 cities in Jefferson County, IA in our database have a UV Index reading of Moderate. The city with the highest UV Index reading right now is Batavia, IA with a reading of 3.8.

Over the next 24 hours, the highest UV Index reading in Jefferson County, IA is expected to be 7.4 in Fairfield between 1:00 PM - 2:00 PM CDT tomorrow.

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UV Index Risk Levels
Range0 - 23 - 56 - 78 - 1011+
Color
RiskLowModerateHighVery HighExtreme
UV Index in Jefferson County, IA as of 4:50 PM CDT, August 27, 2025

Current UV Index in Cities in Jefferson County, IA

4:50 PM CDT, August 27, 2025