Barnstable County, MA: Current UV Index and Hourly Forecast

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As of 12:34 PM EST on January 8, 2026, all 31 cities in Barnstable County, MA in our database have a UV Index reading of Low. The city with the highest UV Index reading right now is South Yarmouth, MA with a reading of 1.5.

Over the next 24 hours, the highest UV Index reading in Barnstable County, MA is expected to be 1.6 in East Falmouth between 11:00 AM - 12:00 PM EST tomorrow.

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Current UV Index in Cities in Barnstable County, MA

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