Barnstable County, MA: Current UV Index and Hourly Forecast

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As of 9:03 AM EST on December 19, 2025, 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 0.2.

Over the next 24 hours, the highest UV Index reading in Barnstable County, MA is expected to be 0.8 in West Falmouth between 12:00 PM - 1:00 PM EST today.

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Current UV Index in Cities in Barnstable County, MA

• Buzzards Bay - 0.2
• Dennis Port - 0.2
• East Dennis - 0.2
• East Falmouth - 0.2
• East Harwich - 0.2
• East Sandwich - 0.2
• Forestdale - 0.2
• Harwich Center - 0.2
• Harwich Port - 0.2
• Mashpee Neck - 0.2
• Monomoscoy Island - 0.2
• Monument Beach - 0.2
• New Seabury - 0.2
• North Eastham - 0.2
• North Falmouth - 0.2
• Northwest Harwich - 0.2
• Pocasset - 0.2
• Popponesset - 0.2
• Popponesset Island - 0.2
• Sagamore - 0.2
• Seabrook - 0.2
• Seconsett Island - 0.2
• South Dennis - 0.2
• South Yarmouth - 0.2
• Teaticket - 0.2
• West Chatham - 0.2
• West Dennis - 0.2
• West Falmouth - 0.2
• West Yarmouth - 0.2
• Woods Hole - 0.2
• Yarmouth Port - 0.2