UV Index Today in Texas (TX)
Friday, May 22, 2026 -1:37 PMCDT (GMT-5)
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The average maximum UV Index today across 1,272 locations in Texas (TX), is 9.2. The highest projected maximum is 10.7 in Brownsville at 1:00 PM CDT, while the lowest projected maximum is 4.9 in Texarkana at 1:00 PM CDT.
Tomorrow, the average maximum UV Index across those same locations is expected to be 8.3. The highest projected maximum is 10.4 in Palmview at 2:00 PM CDT, and the lowest projected maximum is 2.1 in Llano at 4:00 PM CDT.
251 Counties in Texas (TX)
Average Maximum UV Index Today
- Bell County - 9
- Bexar County - 9.3
- Brazoria County - 9.7
- Cameron County - 10.6
- Collin County - 8.7
- Dallas County - 8.5
- Denton County - 8.8
- El Paso County - 9.9
- Fort Bend County - 9.6
- Galveston County - 9.8
- Harris County - 9.6
- Hays County - 9.1
- Hidalgo County - 10.5
- Jefferson County - 9.8
- Lubbock County - 9.3
- McLennan County - 8.9
- Montgomery County - 9.4
- Nueces County - 10
- Tarrant County - 8.8
- Travis County - 9.1
- Webb County - 10.4
- Williamson County - 9