Jefferson County, TX: Current UV Index and Hourly Forecast

As of 9:12 AM CDT on June 25, 2025, out of 13 cities in Jefferson County, TX in our database, 9 cities (69%) have a UV Index reading of Moderate, while 4 cities (31%) have a UV Index reading of Low. The city with the highest UV Index reading right now is Port Arthur, TX with a reading of 2.5.

Over the next 24 hours, the highest UV Index reading in Jefferson County, TX is expected to be 10.4 in Nederland 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 Jefferson County, TX as of 9:12 AM CDT, June 25, 2025

Current UV Index in Cities in Jefferson County, TX

9:12 AM CDT, June 25, 2025