Barnstable County, MA: Current UV Index and Hourly Forecast

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As of 1:33 PM EDT on April 22, 2026, out of 31 cities in Barnstable County, MA in our database, 25 cities (81%) have a UV Index reading of Low, while 6 cities (19%) have a UV Index reading of Moderate. The city with the highest UV Index reading right now is East Harwich, MA with a reading of 3.1.

Over the next 24 hours, the highest UV Index reading in Barnstable County, MA is expected to be 5.7 in East Falmouth between 12:00 PM - 1:00 PM EDT tomorrow.

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Current UV Index in Cities in Barnstable County, MA

• Buzzards Bay - 1.5
• Dennis Port - 2.3
• East Dennis - 2.3
• East Falmouth - 1.6
• East Harwich - 3.1
• East Sandwich - 1.5
• Forestdale - 1.5
• Harwich Center - 3.1
• Harwich Port - 3.1
• Mashpee Neck - 1.6
• Monomoscoy Island - 1.6
• Monument Beach - 1.5
• New Seabury - 1.6
• North Eastham - 3.1
• North Falmouth - 0.9
• Northwest Harwich - 3.1
• Pocasset - 1.5
• Popponesset - 1.6
• Popponesset Island - 1.6
• Sagamore - 1.5
• Seabrook - 1.6
• Seconsett Island - 1.6
• South Dennis - 2.3
• South Yarmouth - 2.3
• Teaticket - 1.6
• West Chatham - 3.1
• West Dennis - 2.3
• West Falmouth - 1.1
• West Yarmouth - 2.3
• Woods Hole - 1.1
• Yarmouth Port - 2.3