Barnstable County, MA: Current UV Index and Hourly Forecast

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As of 8:35 AM EDT on March 13, 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 0.3.

Over the next 24 hours, the highest UV Index reading in Barnstable County, MA is expected to be 3.4 in East Falmouth between 1:00 PM - 2:00 PM EDT today.

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Current UV Index in Cities in Barnstable County, MA

• Buzzards Bay - 0.3
• Dennis Port - 0.3
• East Dennis - 0.3
• East Falmouth - 0.3
• East Harwich - 0.3
• East Sandwich - 0.3
• Forestdale - 0.3
• Harwich Center - 0.3
• Harwich Port - 0.3
• Mashpee Neck - 0.3
• Monomoscoy Island - 0.3
• Monument Beach - 0.3
• New Seabury - 0.3
• North Eastham - 0.3
• North Falmouth - 0.3
• Northwest Harwich - 0.3
• Pocasset - 0.3
• Popponesset - 0.3
• Popponesset Island - 0.3
• Sagamore - 0.3
• Seabrook - 0.3
• Seconsett Island - 0.3
• South Dennis - 0.3
• South Yarmouth - 0.3
• Teaticket - 0.3
• West Chatham - 0.3
• West Dennis - 0.3
• West Falmouth - 0.3
• West Yarmouth - 0.3
• Woods Hole - 0.3
• Yarmouth Port - 0.3