Jefferson County, TX: Current UV Index and Hourly Forecast

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As of 6:40 PM CDT on June 29, 2026, all 13 cities in Jefferson County, TX in our database 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 1.7.

Over the next 24 hours, the highest UV Index reading in Jefferson County, TX is expected to be 11.3 in Port Arthur between 1:00 PM - 2:00 PM CDT tomorrow.

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Current UV Index in Cities in Jefferson County, TX

• Beaumont - 1.7
• Beauxart Gardens - 1.7
• Bevil Oaks - 1.7
• Central Gardens - 1.7
• China - 1.7
• Fannett - 1.7
• Groves - 1.7
• Hamshire - 1.7
• Nederland - 1.7
• Nome - 1.7
• Port Arthur - 1.7
• Port Neches - 1.7
• Taylor Landing - 1.7