Hartford County, CT: Current UV Index and Hourly Forecast

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As of 9:57 AM EDT on August 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 Glastonbury Center, CT with a reading of 2.4.

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

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Current UV Index in Cities in Hartford County, CT

• Blue Hills - 2.3
• Bristol - 2.2
• Broad Brook - 2.2
• Canton Valley - 2.2
• Collinsville - 2.2
• Glastonbury Center - 2.4
• Hartford - 2.3
• Hazardville - 2.2
• Kensington - 2.3
• New Britain - 2.3
• North Granby - 2.2
• Plantsville - 2.3
• Salmon Brook - 2.2
• Sherwood Manor - 2.2
• Simsbury Center - 2.2
• Southwood Acres - 2.2
• Suffield Depot - 2.2
• Tariffville - 2.2
• Terramuggus - 2.4
• Thompsonville - 2.2
• Weatogue - 2.3
• West Simsbury - 2.2