Fairfield County, CT: Current UV Index and Hourly Forecast

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As of 3:06 PM EDT on May 29, 2026, out of 73 cities in Fairfield County, CT in our database, 42 cities (58%) have a UV Index reading of Moderate, while 31 cities (42%) have a UV Index reading of High. The city with the highest UV Index reading right now is Stamford, CT with a reading of 5.6.

Over the next 24 hours, the highest UV Index reading in Fairfield County, CT is expected to be 6.7 in Byram between 1:00 PM - 2:00 PM EDT tomorrow.

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Current UV Index in Cities in Fairfield County, CT

• Ball Pond - 3.2
• Bigelow Corners - 3.2
• Bogus Hill - 3.2
• Botsford - 5.2
• Branchville - 5.5
• Bridgeport - 5.2
• Byram - 5.6
• Candlewood Isle - 3.2
• Candlewood Knolls - 3.2
• Candlewood Orchards - 3.2
• Candlewood Shores - 3.2
• Cannondale - 5.5
• Coleytown - 5.2
• Compo - 5.3
• Cos Cob - 5.6
• Danbury - 3.2
• Daniels Farm - 5.2
• Darien Downtown - 5.6
• Dodgingtown - 2.5
• East Village - 5.2
• Fairfield University - 5.2
• Georgetown - 5.5
• Glenville - 5.6
• Greens Farms - 5.2
• Hawleyville - 2.5
• Indian Field - 5.6
• Inglenook - 3.2
• Kellogg Point - 3.2
• Knollcrest - 3.2
• Lakes East - 5.5
• Lakes West - 5.5
• Lakeside Woods - 3.2
• Long Hill - 5.2
• Lordship - 2.8
• Mamanasco Lake - 5.5
• Mill Plain - 5.2
• Murray - 5.2
• New Canaan - 5.5
• Noroton - 5.6
• Noroton Heights - 5.6
• Norwalk - 5.6
• Old Greenwich - 5.6
• Old Hill - 5.5
• Oronoque - 2.8
• Pemberwick - 5.6
• Plattsville - 5.2
• Poplar Plains - 5.5
• Redding Center - 5.5
• Ridgebury - 5.5
• Riverside - 5.6
• Rock Ridge - 5.6
• Route 7 Gateway - 5.5
• Sacred Heart University - 5.2
• Sail Harbor - 3.2
• Sandy Hook - 2.5
• Saugatuck - 5.3
• Shelton - 5.2
• Sherman - 3.2
• South Wilton - 5.5
• Southport - 5.2
• Stamford - 5.6
• Staples - 5.2
• Stepney - 5.2
• Stratford Downtown - 5.2
• Tashua - 5.2
• Taylor Corners - 3.2
• Tokeneke - 5.6
• Topstone - 5.5
• Trumbull Center - 5.2
• West Mountain - 5.5
• Weston - 5.5
• Westport Village - 5.2
• Wilton Center - 5.5