Marine Weather Net

Dennis Port, MA Weather Forecast


Marine Forecast: Nantucket Sound


Dennis Port, Massachusetts

 Lat: 41.66N, Lon: 70.13W

Current Conditions Updated: 652 AM EDT WED OCT 28 2026

Clear


Temp: 36°F
  • Humidity:
  • 96%
  • Winds:
  • 3 MPH NW
  • Gusts:
  • N/A MPH
  • Barometer:
  • 30.46 in.
  • Dewpoint:
  • 35°F
  • Heat index:
  • 36°F

  • Sunrise:
  • 7:05 AM EDT
  • Sunset:
  • 5:40 PM EDT
  • Moonrise:
  • 7:09 PM EDT
  • Moonset:
  • 10:19 AM EDT

TODAY

MOSTLY SUNNY
Hi: 55°F
Lo: 45°F

THURSDAY

SUNNY

Hi: 61°F
Lo: 55°F

FRIDAY

SUNNY

Hi: 65°F
Lo: 49°F

MONDAY

PARTLY SUNNY
Hi: 60°F
Lo: 49°F
Weather Forecast In Detail:
Forecast Issued: 102 AM EDT Wed Oct 28 2026

Rest Of Tonight...Mostly clear and much cooler. Near steady temperature in the upper 30s. Light and variable winds.
Wednesday...Mostly sunny. Highs in the mid 50s. South winds around 5 mph.
Wednesday Night...Partly cloudy in the evening, then clearing. Not as cool with lows in the mid 40s. Southwest winds around 5 mph.
Thursday...Sunny. Highs in the lower 60s. Southwest winds 10 to 15 mph.
Thursday Night...Mostly clear. Lows in the mid 50s. Southwest winds 5 to 10 mph with gusts up to 20 mph.
Friday...Sunny. Highs in the mid 60s.
Friday Night And Saturday...Clear. Lows in the lower 40s. Highs in the lower 50s.
Saturday Night And Sunday...Mostly clear. Lows in the lower 40s. Highs in the upper 50s.
Sunday Night...Partly cloudy. Lows in the upper 40s.
Monday...Partly sunny. Highs around 60.
Monday Night And Tuesday...Mostly cloudy. A 30 percent chance of showers. Lows in the upper 40s. Highs in the upper 50s.
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