Hartford County, CT: Current UV Index and Hourly Forecast

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As of 7:57 PM EDT on April 28, 2026, all 22 cities in Hartford County, CT in our database have a UV Index reading of Low. The city with the highest UV Index reading right now is Hartford, CT with a reading of 0.1.

Over the next 24 hours, the highest UV Index reading in Hartford County, CT is expected to be 6.8 in Bristol between 1:00 PM - 2:00 PM EDT tomorrow.

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Current UV Index in Cities in Hartford County, CT

• Blue Hills - 0.1
• Bristol - 0.1
• Broad Brook - 0.1
• Canton Valley - 0.1
• Collinsville - 0.1
• Glastonbury Center - 0.1
• Hartford - 0.1
• Hazardville - 0.1
• Kensington - 0.1
• New Britain - 0.1
• North Granby - 0.1
• Plantsville - 0.1
• Salmon Brook - 0.1
• Sherwood Manor - 0.1
• Simsbury Center - 0.1
• Southwood Acres - 0.1
• Suffield Depot - 0.1
• Tariffville - 0.1
• Terramuggus - 0.1
• Thompsonville - 0.1
• Weatogue - 0.1
• West Simsbury - 0.1