Hartford County, CT: Current UV Index and Hourly Forecast

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As of 2:46 AM EDT on September 17, 2025, all 22 cities in Hartford County, CT 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 Hartford County, CT is expected to be 5.5 in Thompsonville between 1:00 PM - 2:00 PM EDT today.

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Current UV Index in Cities in Hartford County, CT

• Blue Hills - 0
• Bristol - 0
• Broad Brook - 0
• Canton Valley - 0
• Collinsville - 0
• Glastonbury Center - 0
• Hartford - 0
• Hazardville - 0
• Kensington - 0
• New Britain - 0
• North Granby - 0
• Plantsville - 0
• Salmon Brook - 0
• Sherwood Manor - 0
• Simsbury Center - 0
• Southwood Acres - 0
• Suffield Depot - 0
• Tariffville - 0
• Terramuggus - 0
• Thompsonville - 0
• Weatogue - 0
• West Simsbury - 0