Marine Weather Net

Dennis Port, MA Weather Forecast


Marine Forecast: Nantucket Sound


Dennis Port, Massachusetts

 Lat: 41.66N, Lon: 70.13W

Current Conditions Updated: 852 PM EDT WED OCT 7 2026

Clear


Temp: 59°F
  • Humidity:
  • 77%
  • Winds:
  • 6 MPH VRB
  • Gusts:
  • N/A MPH
  • Barometer:
  • 29.93 in.
  • Dewpoint:
  • 52°F
  • Heat index:
  • 59°F

  • Sunrise:
  • 6:41 AM EDT
  • Sunset:
  • 6:12 PM EDT
  • Moonrise:
  • 3:18 AM EDT
  • Moonset:
  • 4:43 PM EDT

TONIGHT

MOSTLY CLEAR
Lo: 51°F

THURSDAY

PARTLY SUNNY
Hi: 71°F
Lo: 50°F
Precip: 20%

FRIDAY

SUNNY

Hi: 65°F
Lo: 45°F

SATURDAY

SUNNY

Hi: 61°F
Lo: 55°F
Weather Forecast In Detail:
Forecast Issued: 703 PM EDT Wed Oct 07 2026

Tonight...Mostly clear. Not as cool with lows in the lower 50s. Southwest winds 10 to 15 mph with gusts up to 30 mph.
Thursday...Partly sunny. A slight chance of showers in the afternoon. Highs in the lower 70s. Southwest winds 10 to 15 mph with gusts up to 30 mph. Chance of rain 20 percent.
Thursday Night...Mostly clear. Lows around 50. West winds 5 to 10 mph with gusts up to 20 mph.
Friday...Sunny. Highs in the mid 60s. West winds 5 to 10 mph with gusts up to 20 mph.
Friday Night...Mostly clear. Lows in the mid 40s. Northwest winds 5 to 10 mph with gusts up to 20 mph.
Saturday...Sunny. Highs in the lower 60s.
Saturday Night...Partly cloudy. Lows in the mid 50s.
Sunday...Partly sunny with a 50 percent chance of showers. Highs in the mid 60s.
Sunday Night...Showers. Lows around 60. Chance of rain 80 percent.
Columbus Day...Showers likely. Highs in the upper 60s. Chance of rain 70 percent.
Monday Night...Mostly cloudy with a 30 percent chance of showers. Lows in the mid 50s.
Tuesday And Tuesday Night...Mostly cloudy. A 40 percent chance of showers. Highs in the lower 60s. Lows in the upper 40s.
Wednesday...Partly sunny with a 40 percent chance of showers. Highs in the upper 50s.
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