Marine Weather Net

Dennis Port, MA Weather Forecast


Marine Forecast: Nantucket Sound


Dennis Port, Massachusetts

 Lat: 41.66N, Lon: 70.13W

Current Conditions Updated: 109 PM EDT THU AUG 6 2026

Overcast
Temp: 80°F
  • Humidity:
  • 84%
  • Winds:
  • 6 MPH VRB
  • Gusts:
  • 17 MPH
  • Barometer:
  • 30.12 in.
  • Dewpoint:
  • 75°F
  • Heat index:
  • 85°F

  • Sunrise:
  • 5:38 AM EDT
  • Sunset:
  • 7:51 PM EDT
  • Moonrise:
  • 11:41 PM EDT
  • Moonset:
  • 2:27 PM EDT

THIS AFTERNOON

SUNNY

Lo: 75°F

FRIDAY

SUNNY

Hi: 85°F
Lo: 75°F

SATURDAY

MOSTLY SUNNY
Hi: 81°F
Lo: 71°F

SUNDAY

MOSTLY CLEAR
Hi: 85°F
Lo: 71°F
Weather Forecast In Detail:
Forecast Issued: 103 PM EDT Thu Aug 06 2026

This Afternoon...Sunny. Near steady temperature in the lower 80s. Southwest winds 10 to 15 mph.
Tonight...Partly cloudy. Patchy fog after midnight. Humid with lows in the lower 70s. Southwest winds 10 to 15 mph.
Friday...Sunny. Patchy fog in the morning. Humid with highs in the mid 80s. Southwest winds 5 to 10 mph. Gusts up to 20 mph in the afternoon.
Friday Night...Partly cloudy. Humid with lows in the lower 70s. Southwest winds 5 to 10 mph. Gusts up to 20 mph in the evening.
Saturday...Mostly sunny. Humid with highs in the lower 80s. Southwest winds 10 to 15 mph with gusts up to 25 mph.
Saturday Night...Partly cloudy. Lows in the lower 70s.
Sunday...Mostly clear. Highs in the mid 80s. Lows in the lower 70s.
Monday...Mostly clear. Highs in the mid 80s. Lows in the lower 70s.
Monday Night...Partly cloudy. Lows in the lower 70s.
Tuesday...Partly sunny with a 40 percent chance of showers. Highs in the mid 80s.
Tuesday Night...Mostly cloudy with a 40 percent chance of showers. Lows around 70.
Wednesday...Mostly sunny. Highs in the lower 80s.
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