Marine Weather Net

Dennis Port, MA Weather Forecast


Marine Forecast: Nantucket Sound


Dennis Port, Massachusetts

 Lat: 41.66N, Lon: 70.13W

Current Conditions Updated: 352 AM EST SAT JAN 10 2026

Fog
Temp: 39°F
  • Humidity:
  • 100%
  • Winds:
  • N/A
  • Gusts:
  • N/A MPH
  • Barometer:
  • 30.08 in.
  • Dewpoint:
  • 39°F
  • Heat index:
  • 39°F

  • Sunrise:
  • 7:05 AM EST
  • Sunset:
  • 4:27 PM EST
  • Moonrise:
  • N/A EST
  • Moonset:
  • 10:49 AM EST

TONIGHT

MOSTLY CLOUDY
Lo: 39°F

SATURDAY

CHANCE OF RAIN
Hi: 45°F
Lo: 39°F
Precip: 50%

SUNDAY

RAIN
Hi: 41°F
Lo: 29°F
Precip: 70%

MONDAY

SUNNY

Hi: 39°F
Lo: 31°F
Weather Forecast In Detail:
Forecast Issued: 105 AM EST Sat Jan 10 2026

Rest Of Tonight...Mostly cloudy. Not as cool with lows in the upper 30s. West winds 10 to 15 mph with gusts up to 30 mph.
Saturday...Cloudy. A chance of rain in the afternoon. Highs in the mid 40s. Northwest winds 5 to 10 mph, becoming northeast in the afternoon. Chance of rain 50 percent.
Saturday Night...Rain. Lows in the upper 30s. Southeast winds 10 to 15 mph with gusts up to 25 mph. Chance of rain near 100 percent.
Sunday...Rain likely. Highs in the lower 40s. West winds 10 to 15 mph. Gusts up to 30 mph in the afternoon. Chance of rain 70 percent.
Sunday Night...Partly cloudy with a chance of rain. Blustery, cooler with lows in the upper 20s. West winds 15 to 25 mph with gusts up to 45 mph. Chance of rain 30 percent.
Monday...Sunny, blustery with highs in the upper 30s.
Monday Night And Tuesday...Partly cloudy. Lows in the lower 30s. Highs in the lower 40s.
Tuesday Night And Wednesday...Mostly cloudy. Lows in the mid 30s. Highs in the mid 40s.
Wednesday Night...Cloudy with a 30 percent chance of rain showers. Lows in the lower 30s.
Thursday...Mostly cloudy with a chance of rain, snow and freezing rain. Near steady temperature in the mid 30s. Chance of precipitation 30 percent.
Thursday Night...Mostly cloudy with a chance of snow and freezing rain. Lows in the mid 20s. Chance of precipitation 40 percent.
Friday...Mostly cloudy with a 40 percent chance of snow. Near steady temperature in the upper 20s.
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