Marine Weather Net

Nantucket, MA Weather Forecast


Marine Forecast: Nantucket Sound


Nantucket, Massachusetts

 Lat: 41.28N, Lon: 70.1W

Current Conditions Updated: 1253 AM EDT THU AUG 6 2026

Fog
Temp: 71°F
  • Humidity:
  • 96%
  • Winds:
  • 8 MPH WSW
  • Gusts:
  • N/A MPH
  • Barometer:
  • 30.15 in.
  • Dewpoint:
  • 70°F
  • Heat index:
  • 71°F

  • Sunrise:
  • 5:39 AM EDT
  • Sunset:
  • 7:50 PM EDT
  • Moonrise:
  • 11:42 PM EDT
  • Moonset:
  • 2:25 PM EDT

TONIGHT

MOSTLY CLOUDY
Lo: 70°F

THURSDAY

PARTLY SUNNY
Hi: 79°F
Lo: 75°F

FRIDAY

MOSTLY SUNNY
Hi: 80°F
Lo: 75°F

SATURDAY

PARTLY CLOUDY
Hi: 80°F
Lo: 71°F
Weather Forecast In Detail:
Forecast Issued: 103 AM EDT Thu Aug 06 2026

Rest Of Tonight...Mostly cloudy. Patchy fog. Near steady temperature around 70. Southwest winds 5 to 10 mph.
Thursday...Partly sunny. Patchy fog in the morning. Humid with highs in the upper 70s. Southwest winds 10 to 15 mph.
Thursday Night...Mostly cloudy. Patchy fog. Humid with lows in the lower 70s. Southwest winds 10 to 15 mph.
Friday...Mostly sunny. Humid with highs around 80. Southwest winds 10 to 15 mph.
Friday Night...Partly cloudy. Humid. Near steady temperature in the mid 70s. Southwest winds 10 to 15 mph.
Saturday...Partly cloudy. Highs around 80. Lows in the lower 70s.
Sunday...Partly cloudy. Highs around 80. Lows in the lower 70s.
Sunday Night And Monday...Mostly clear. Lows around 70. Highs around 80.
Monday Night And Tuesday...Partly cloudy. Lows around 70. Highs around 80.
Tuesday Night...Mostly cloudy with a 40 percent chance of showers. Lows in the upper 60s.
Wednesday...Partly sunny with a 30 percent chance of showers. Highs in the upper 70s.
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