Marine Weather Net

Nantucket, MA Weather Forecast


Marine Forecast: Nantucket Sound


Nantucket, Massachusetts

 Lat: 41.28N, Lon: 70.1W

Current Conditions Updated: 553 AM EDT THU OCT 8 2026

Clear


Temp: 59°F
  • Humidity:
  • 89%
  • Winds:
  • 9 MPH SW
  • Gusts:
  • N/A MPH
  • Barometer:
  • 29.85 in.
  • Dewpoint:
  • 56°F
  • Heat index:
  • 59°F

  • Sunrise:
  • 6:42 AM EDT
  • Sunset:
  • 6:11 PM EDT
  • Moonrise:
  • 4:28 AM EDT
  • Moonset:
  • 5:05 PM EDT

TODAY

SUNNY

Hi: 69°F
Lo: 55°F
Precip: 20%

FRIDAY

SUNNY

Hi: 65°F
Lo: 50°F

SATURDAY

SUNNY

Hi: 61°F
Lo: 59°F

SUNDAY

PARTLY SUNNY
Hi: 65°F
Lo: 60°F
Weather Forecast In Detail:
Forecast Issued: 402 AM EDT Thu Oct 08 2026

Today...Sunny. A slight chance of showers this afternoon. Highs in the upper 60s. Southwest winds 15 to 20 mph with gusts up to 30 mph. Chance of rain 20 percent.
Tonight...Mostly clear. Lows in the mid 50s. West winds 10 to 15 mph with gusts up to 25 mph.
Friday...Sunny. Highs in the mid 60s. West winds 10 to 15 mph with gusts up to 25 mph.
Friday Night...Mostly clear. Lows around 50. Northwest winds 10 to 15 mph.
Saturday...Sunny. Highs in the lower 60s. Northwest winds 5 to 10 mph.
Saturday Night...Partly cloudy. Near steady temperature in the upper 50s.
Sunday...Partly sunny. Highs in the mid 60s.
Sunday Night...Showers. Near steady temperature in the lower 60s. Chance of rain 80 percent.
Columbus Day...Showers. Highs in the mid 60s. Chance of rain 80 percent.
Monday Night...Mostly cloudy with a chance of showers. Lows in the upper 50s. Chance of rain 40 percent.
Tuesday...Partly sunny with a 30 percent chance of showers. Highs in the mid 60s.
Tuesday Night...Mostly cloudy with a 50 percent chance of showers. Breezy with lows in the lower 50s.
Wednesday...Partly sunny with a 30 percent chance of showers. Breezy with highs in the upper 50s.
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