Marine Weather Net

Nantucket, MA Weather Forecast


Marine Forecast: Nantucket Sound


Nantucket, Massachusetts

 Lat: 41.28N, Lon: 70.1W

Current Conditions Updated: 1153 PM EDT THU JUL 16 2026

Clear


Temp: 61°F
  • Humidity:
  • 89%
  • Winds:
  • 5 MPH NE
  • Gusts:
  • N/A MPH
  • Barometer:
  • 29.89 in.
  • Dewpoint:
  • 58°F
  • Heat index:
  • 61°F

  • Sunrise:
  • 5:20 AM EDT
  • Sunset:
  • 8:09 PM EDT
  • Moonrise:
  • 9:07 AM EDT
  • Moonset:
  • 10:15 PM EDT

TONIGHT

CLEARING

Lo: 61°F

FRIDAY

SUNNY

Hi: 79°F
Lo: 61°F

SATURDAY

MOSTLY SUNNY
Hi: 80°F
Lo: 70°F

SUNDAY

SHOWERS
Hi: 81°F
Lo: 69°F
Precip: 90%
Weather Forecast In Detail:
Forecast Issued: 1004 PM EDT Thu Jul 16 2026

Overnight...Partly cloudy, then clearing. Patchy smoke. Lows in the lower 60s. Northwest winds 5 to 10 mph. Gusts up to 20 mph.
Friday...Sunny. Highs in the upper 70s. Northwest winds around 10 mph, becoming southwest with gusts up to 20 mph in the afternoon.
Friday Night...Mostly clear in the evening, then becoming partly cloudy. Lows in the lower 60s. South winds 5 to 10 mph. Gusts up to 20 mph in the evening.
Saturday...Mostly sunny. Humid with highs around 80. South winds 15 to 20 mph.
Saturday Night...Showers with a chance of thunderstorms. Breezy with lows around 70. Southwest winds 15 to 25 mph with gusts up to 35 mph. Chance of rain near 100 percent.
Sunday...Showers. Highs in the lower 80s. Chance of rain 90 percent.
Sunday Night...Partly cloudy. Lows in the upper 60s.
Monday...Sunny. Highs in the upper 70s.
Monday Night...Partly cloudy. Lows in the upper 60s.
Tuesday...Partly sunny with a chance of showers. Highs in the upper 70s. Chance of rain 40 percent.
Tuesday Night And Wednesday...Showers likely. Breezy. Lows in the upper 60s. Highs in the upper 70s. Chance of rain 70 percent.
Wednesday Night...Mostly cloudy with a chance of showers. Lows in the upper 60s. Chance of rain 50 percent.
Thursday...Partly sunny with a 50 percent chance of showers. Highs in the upper 70s.
SHARE THIS PAGE: