UV Index Today in Texas (TX)
Tuesday, October 13, 2026 -4:22 PM CDT (GMT-5)
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The average maximum UV Index today across 1,272 locations in Texas (TX), is 6.8. The highest projected maximum is 8.6 in Marfa at 2:00 PM CDT, while the lowest projected maximum is 3.3 in Mesquite at 2:00 PM CDT.
Tomorrow, the average maximum UV Index across those same locations is expected to be 5.8. The highest projected maximum is 8.3 in Marfa at 2:00 PM CDT, and the lowest projected maximum is 1.8 in Shamrock at 4:00 PM CDT.
251 Counties in Texas (TX)
Average Maximum UV Index Today
- Bell County - 6.4
- Bexar County - 6.8
- Brazoria County - 7.1
- Brazos County - 6.7
- Cameron County - 8.3
- Collin County - 4.2
- Dallas County - 5.3
- Denton County - 6.3
- Ellis County - 5.7
- El Paso County - 8.1
- Fort Bend County - 6.5
- Galveston County - 7.4
- Harris County - 7
- Hays County - 4.8
- Hidalgo County - 8.4
- Jefferson County - 7.5
- Lubbock County - 7.1
- McLennan County - 6.2
- Montgomery County - 7.3
- Nueces County - 7.1
- Smith County - 6.1
- Tarrant County - 7.1
- Travis County - 5.4
- Webb County - 8.3
- Williamson County - 5.9
1272 Places in Texas (TX)
Maximum UV Index Today