Hartford County, CT: Current UV Index and Hourly Forecast

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As of 8:52 AM EDT on July 19, 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 1.2.

Over the next 24 hours, the highest UV Index reading in Hartford County, CT is expected to be 7.9 in Plantsville between 1:00 PM - 2:00 PM EDT today.

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Current UV Index in Cities in Hartford County, CT

• Blue Hills - 1.2
• Bristol - 1.1
• Broad Brook - 1.2
• Canton Valley - 1.1
• Collinsville - 1.1
• Glastonbury Center - 1.2
• Hartford - 1.2
• Hazardville - 1.2
• Kensington - 1.2
• New Britain - 1.2
• North Granby - 1.2
• Plantsville - 1.1
• Salmon Brook - 1.2
• Sherwood Manor - 1.2
• Simsbury Center - 1.2
• Southwood Acres - 1.2
• Suffield Depot - 1.2
• Tariffville - 1.2
• Terramuggus - 1.2
• Thompsonville - 1.2
• Weatogue - 1.2
• West Simsbury - 1.2