Harris County, TX: Current UV Index and Hourly Forecast

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As of 2:51 AM CDT on August 9, 2026, all 37 cities in Harris County, TX in our database have a UV Index reading of 0, indicating no radiation from the sun.

Over the next 24 hours, the highest UV Index reading in Harris County, TX is expected to be 10.6 in Houston between 1:00 PM - 2:00 PM CDT today.

Search Cities in Harris County, TX

Current UV Index in Cities in Harris County, TX

• Aldine - 0
• Atascocita - 0
• Barrett - 0
• Baytown - 0
• Bellaire - 0
• Bunker Hill Village - 0
• Channelview - 0
• Cloverleaf - 0
• Crosby - 0
• Deer Park - 0
• El Lago - 0
• Galena Park - 0
• Hedwig Village - 0
• Highlands - 0
• Hilshire Village - 0
• Houston - 0
• Humble - 0
• Hunters Creek Village - 0
• Jacinto City - 0
• Jersey Village - 0
• Katy - 0
• La Porte - 0
• Morgan's Point - 0
• Nassau Bay - 0
• Pasadena - 0
• Piney Point Village - 0
• Seabrook - 0
• Sheldon - 0
• Shoreacres - 0
• South Houston - 0
• Southside Place - 0
• Spring - 0
• Spring Valley Village - 0
• Taylor Lake Village - 0
• Tomball - 0
• Webster - 0
• West University Place - 0