Marine Weather Net

Nantucket, MA Weather Forecast


Marine Forecast: Nantucket Sound


Nantucket, Massachusetts

 Lat: 41.28N, Lon: 70.1W

Current Conditions Updated: 553 AM EST THU NOV 20 2025

Clear


Temp: 34°F
  • Humidity:
  • 81%
  • Winds:
  • 6 MPH N
  • Gusts:
  • N/A MPH
  • Barometer:
  • N/A
  • Dewpoint:
  • 29°F
  • Heat index:
  • 34°F

  • Sunrise:
  • 6:32 AM EST
  • Sunset:
  • 4:16 PM EST
  • Moonrise:
  • 7:10 AM EST
  • Moonset:
  • 4:07 PM EST

TODAY

MOSTLY CLOUDY
Hi: 49°F
Lo: 39°F

FRIDAY

MOSTLY SUNNY
Hi: 51°F
Lo: 45°F

SATURDAY

PARTLY SUNNY
Hi: 51°F
Lo: 45°F
Precip: 50%

MONDAY

SUNNY

Lo: 41°F
Weather Forecast In Detail:
Forecast Issued: 404 AM EST Thu Nov 20 2025

Today...Mostly cloudy. Highs in the upper 40s. Northeast winds 5 to 10 mph.
Tonight...Mostly cloudy. Lows in the upper 30s. North winds around 5 mph.
Friday...Mostly sunny. Highs in the lower 50s. Southwest winds 10 to 15 mph.
Friday Night...Rain likely. Lows in the mid 40s. Southwest winds 10 to 15 mph. Chance of rain 60 percent.
Saturday...Partly sunny with a 50 percent chance of rain. Highs in the lower 50s. North winds 15 to 20 mph.
Saturday Night And Sunday...Partly cloudy. Lows in the mid 30s. Highs in the upper 40s.
Sunday Night...Partly cloudy. Near steady temperature in the mid 40s.
Monday...Sunny. Near steady temperature in the upper 40s.
Monday Night...Partly cloudy. Lows in the lower 40s.
Tuesday...Mostly cloudy. Highs in the lower 50s.
Tuesday Night...Cloudy with a 50 percent chance of rain. Near steady temperature in the mid 40s.
Wednesday...Mostly cloudy with a 50 percent chance of rain. Highs in the mid 50s.
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