Harris County, TX: Current UV Index and Hourly Forecast

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As of 7:06 PM CDT on June 9, 2026, all 37 cities in Harris County, TX in our database have a UV Index reading of Low. The city with the highest UV Index reading right now is Houston, TX with a reading of 0.6.

Over the next 24 hours, the highest UV Index reading in Harris County, TX is expected to be 11.6 in Spring between 1:00 PM - 2:00 PM CDT tomorrow.

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Current UV Index in Cities in Harris County, TX

• Aldine - 0.6
• Atascocita - 0.6
• Barrett - 0.5
• Baytown - 0.5
• Bellaire - 0.6
• Bunker Hill Village - 0.6
• Channelview - 0.5
• Cloverleaf - 0.6
• Crosby - 0.6
• Deer Park - 0.5
• El Lago - 0.5
• Galena Park - 0.6
• Hedwig Village - 0.6
• Highlands - 0.5
• Hilshire Village - 0.6
• Houston - 0.6
• Humble - 0.6
• Hunters Creek Village - 0.6
• Jacinto City - 0.6
• Jersey Village - 0.6
• Katy - 0.6
• La Porte - 0.5
• Morgan's Point - 0.5
• Nassau Bay - 0.5
• Pasadena - 0.6
• Piney Point Village - 0.6
• Seabrook - 0.5
• Sheldon - 0.6
• Shoreacres - 0.5
• South Houston - 0.6
• Southside Place - 0.6
• Spring - 0.6
• Spring Valley Village - 0.6
• Taylor Lake Village - 0.5
• Tomball - 0.6
• Webster - 0.5
• West University Place - 0.6