Collin County, TX: Current UV Index and Hourly Forecast

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As of 11:20 PM CDT on June 4, 2025, all 25 cities in Collin 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 Collin County, TX is expected to be 10.6 in Josephine between 1:00 PM - 2:00 PM CDT tomorrow.

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Current UV Index in Cities in Collin County, TX

• Allen - 0
• Anna - 0
• Blue Ridge - 0
• Celina - 0
• Fairview - 0
• Farmersville - 0
• Frisco - 0
• Josephine - 0
• Lavon - 0
• Lowry Crossing - 0
• Lucas - 0
• McKinney - 0
• Melissa - 0
• Murphy - 0
• Nevada - 0
• New Hope - 0
• Parker - 0
• Plano - 0
• Princeton - 0
• Prosper - 0
• Seis Lagos - 0
• St. Paul - 0
• Westminster - 0
• Weston - 0
• Wylie - 0