Marine Weather Net

Nantucket, MA Weather Forecast


Marine Forecast: Nantucket Sound


Nantucket, Massachusetts

 Lat: 41.28N, Lon: 70.1W

Current Conditions Updated: 153 AM EDT WED AUG 26 2026

Clear


Temp: 67°F
  • Humidity:
  • 90%
  • Winds:
  • 7 MPH W
  • Gusts:
  • N/A MPH
  • Barometer:
  • 29.99 in.
  • Dewpoint:
  • 64°F
  • Heat index:
  • 67°F

  • Sunrise:
  • 5:59 AM EDT
  • Sunset:
  • 7:21 PM EDT
  • Moonrise:
  • 6:47 PM EDT
  • Moonset:
  • 4:10 AM EDT

TONIGHT

CLEAR

Lo: 69°F

WEDNESDAY

SUNNY

Hi: 75°F
Lo: 67°F

THURSDAY

MOSTLY SUNNY
Hi: 79°F
Lo: 67°F

FRIDAY

PARTLY SUNNY
Hi: 79°F
Lo: 69°F
Precip: 50%
Weather Forecast In Detail:
Forecast Issued: 103 AM EDT Wed Aug 26 2026

Rest Of Tonight...Clear. Near steady temperature in the upper 60s. West winds 5 to 10 mph.
Wednesday...Sunny with highs in the mid 70s. Northwest winds 5 to 10 mph, becoming southwest in the afternoon.
Wednesday Night...Mostly clear in the evening, then becoming mostly cloudy. Humid with lows in the upper 60s. Southwest winds 5 to 10 mph.
Thursday...Mostly sunny. Humid with highs in the upper 70s. South winds 10 to 15 mph.
Thursday Night...Mostly cloudy with a chance of showers. Humid with lows in the upper 60s. South winds 10 to 15 mph. Chance of rain 50 percent.
Friday...Partly sunny with a 50 percent chance of showers. Highs in the upper 70s.
Friday Night And Saturday...Mostly cloudy. Lows in the upper 60s. Highs in the lower 70s.
Saturday Night...Partly cloudy. Near steady temperature in the upper 60s.
Sunday...Sunny. Highs in the mid 70s.
Sunday Night...Partly cloudy. Lows in the upper 60s. Highs in the upper 70s.
Monday...Partly cloudy. Lows in the upper 60s. Highs in the upper 70s.
Tuesday...Partly cloudy. Lows in the upper 60s. Highs in the upper 70s.
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