Washington County, MO: Current UV Index and Hourly Forecast

As of 10:29 AM CDT on October 15, 2025, all 4 cities in Washington County, MO in our database have a UV Index reading of Low. The city with the highest UV Index reading right now is Irondale, MO with a reading of 2.

Over the next 24 hours, the highest UV Index reading in Washington County, MO is expected to be 5.6 in Irondale between 1:00 PM - 2:00 PM CDT today.

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UV Index Risk Levels
Range0 - 23 - 56 - 78 - 1011+
Color
RiskLowModerateHighVery HighExtreme
UV Index in Washington County, MO as of 10:29 AM CDT, October 15, 2025

Current UV Index in Cities in Washington County, MO

10:29 AM CDT, October 15, 2025