Marine Weather Net

East Falmouth, MA Weather Forecast


Marine Forecast: Nantucket Sound


East Falmouth, Massachusetts

 Lat: 41.58N, Lon: 70.56W

Current Conditions Updated: 1045 AM EDT WED AUG 19 2026

Mostly Clear
Temp: 80°F
  • Humidity:
  • 78%
  • Winds:
  • 16 MPH SW
  • Gusts:
  • N/A MPH
  • Barometer:
  • 29.9 in.
  • Dewpoint:
  • 73°F
  • Heat index:
  • 84°F

  • Sunrise:
  • 5:53 AM EDT
  • Sunset:
  • 7:34 PM EDT
  • Moonrise:
  • 1:36 PM EDT
  • Moonset:
  • 10:45 PM EDT

THIS AFTERNOON

MOSTLY SUNNY
Hi: 80°F
Lo: 75°F

THURSDAY

PARTLY SUNNY
Hi: 81°F
Lo: 67°F
Precip: 40%

FRIDAY

MOSTLY SUNNY
Hi: 75°F
Lo: 65°F

SUNDAY

CHANCE OF SHOWERS
Hi: 79°F
Lo: 65°F
Precip: 50%
Weather Forecast In Detail:
Forecast Issued: 1003 AM EDT Wed Aug 19 2026

This Afternoon...Mostly sunny. Highs around 80. Southwest winds 10 to 15 mph.
Tonight...Partly cloudy. Patchy fog after midnight. Humid with lows around 70. Southwest winds 5 to 10 mph. Gusts up to 20 mph in the evening.
Thursday...Partly sunny. Patchy fog in the morning. A chance of showers in the afternoon. Humid with highs in the lower 80s. Southwest winds 5 to 10 mph. Chance of rain 40 percent.
Thursday Night...Mostly cloudy. Humid with lows in the upper 60s. West winds around 5 mph, becoming northwest after midnight.
Friday...Mostly sunny. Humid with highs in the mid 70s. Northeast winds 5 to 10 mph.
Friday Night...Partly cloudy. Lows in the mid 60s.
Saturday And Saturday Night...Showers likely. Highs in the mid 70s. Lows in the mid 60s. Chance of rain 60 percent.
Sunday...Mostly cloudy with a 50 percent chance of showers. Highs in the upper 70s.
Sunday Night...Mostly cloudy with a 30 percent chance of showers. Lows in the upper 60s.
Monday And Monday Night...Partly cloudy. Highs around 80. Lows in the mid 60s.
Tuesday...Sunny. Highs in the upper 70s.
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