Connecticut (CT): Current UV Index and Hourly Forecast

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As of 1:20 PM EST on December 15, 2025, all 184 cities in Connecticut in our database have a UV Index reading of Low. The city with the highest UV Index reading right now is Norwich, CT with a reading of 1.4.

Over the next 24 hours, the highest UV Index reading in Connecticut is expected to be 1.8 in Byram between 12:00 PM - 1:00 PM EST tomorrow.

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Counties in Connecticut (CT)

• Fairfield County
• Hartford County
• Litchfield County
• Middlesex County
• New Haven County
• New London County
• Tolland County
• Windham County

Current UV Index in Major Cities in Connecticut (CT)

• Ansonia - 1.2
• Bridgeport - 1.3
• Bristol - 1.1
• Conning Towers Nautilus Park - 1.4
• Danbury - 1.1
• Derby - 1.2
• Glastonbury Center - 1.1
• Hartford - 1
• Kensington - 1
• Long Hill - 1.3
• Meriden - 1.2
• Middletown - 1.2
• Milford city - 1.2
• Naugatuck - 1.2
• New Britain - 1
• New Canaan - 1.2
• New Haven - 1.2
• New London - 1.3
• Norwalk - 1.3
• Norwich - 1.4
• Oakville - 1.2
• Riverside - 1.3
• Rockville - 1.1
• Sandy Hook - 1.1
• Shelton - 1.3
• Southwood Acres - 1.1
• Stamford - 1.3
• Staples - 1.3
• Storrs - 1.1
• Thompsonville - 1.1
• Torrington - 1
• Trumbull Center - 1.3
• Wallingford Center - 1.2
• Waterbury - 1.2
• West Haven - 1.2
• Willimantic - 1.1