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 FRI DEC 12 2025

Clear


Temp: 24°F
  • Humidity:
  • 45%
  • Winds:
  • 8 MPH W
  • Gusts:
  • 17 MPH
  • Barometer:
  • 29.74 in.
  • Dewpoint:
  • 6°F
  • Heat index:
  • 24°F

  • Sunrise:
  • 6:56 AM EST
  • Sunset:
  • 4:09 PM EST
  • Moonrise:
  • N/A EST
  • Moonset:
  • 12:07 PM EST

TONIGHT

WINDY
Lo: 25°F

FRIDAY

SUNNY

Hi: 35°F
Lo: 29°F

SATURDAY

PARTLY SUNNY
Hi: 41°F
Lo: 29°F

SUNDAY

SNOW
Hi: 35°F
Lo: 20°F
Precip: 70%
Weather Forecast In Detail:
Forecast Issued: 103 AM EST Fri Dec 12 2025

WIND ADVISORY REMAINS IN EFFECT UNTIL 10 AM EST THIS MORNING
Rest Of Tonight...Mostly clear and blustery, cooler. Near steady temperature in the mid 20s. West winds 15 to 25 mph with gusts up to 45 mph.
Friday...Sunny, blustery with highs in the mid 30s. West winds 15 to 25 mph with gusts up to 45 mph.
Friday Night...Mostly clear. Lows in the upper 20s. West winds 10 to 15 mph. Gusts up to 35 mph, Decreasing to 25 mph after midnight.
Saturday...Partly sunny. Highs in the lower 40s. Southwest winds 5 to 10 mph. Gusts up to 20 mph in the afternoon.
Saturday Night...Cloudy with a 50 percent chance of snow. Lows in the upper 20s. West winds 5 to 10 mph. Gusts up to 20 mph in the evening.
Sunday...Snow likely with a chance of rain. Highs in the mid 30s. Chance of precipitation 70 percent.
Sunday Night...Mostly cloudy with a 50 percent chance of snow. Brisk with lows around 20.
Monday...Mostly sunny and brisk. Highs around 30.
Monday Night...Mostly cloudy. Near steady temperature in the mid 20s.
Tuesday...Mostly sunny. Highs in the mid 30s.
Tuesday Night And Wednesday...Mostly cloudy. Lows in the upper 20s. Highs in the mid 40s.
Wednesday Night...Mostly cloudy. Lows in the mid 30s.
Thursday...Mostly cloudy with a 30 percent chance of rain. Highs in the upper 40s.
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