Marine Weather Net

Mattapoisett, MA Weather Forecast


Marine Forecast: Buzzards Bay


Mattapoisett, Massachusetts

 Lat: 41.66N, Lon: 70.82W

Current Conditions Updated: 853 AM EDT THU MAY 21 2026

Mostly Cloudy
Temp: 63°F
  • Humidity:
  • 51%
  • Winds:
  • 12 MPH NE
  • Gusts:
  • 20 MPH
  • Barometer:
  • 30.17 in.
  • Dewpoint:
  • 45°F
  • Heat index:
  • 63°F

  • Sunrise:
  • 5:17 AM EDT
  • Sunset:
  • 8:00 PM EDT
  • Moonrise:
  • 10:06 AM EDT
  • Moonset:
  • 12:30 AM EDT

TODAY

CHANCE OF SHOWERS
Hi: 61°F
Lo: 45°F
Precip: 40%

FRIDAY

MOSTLY SUNNY
Hi: 65°F
Lo: 49°F

SATURDAY

MOSTLY CLOUDY
Hi: 65°F
Lo: 49°F

SUNDAY

SHOWERS
Hi: 61°F
Lo: 51°F
Precip: 80%
Weather Forecast In Detail:
Forecast Issued: 703 AM EDT Thu May 21 2026

Today...Cloudy with a 40 percent chance of showers. Much cooler with highs in the lower 60s. Northeast winds 5 to 10 mph. Gusts up to 20 mph this morning.
Tonight...Mostly cloudy. Lows in the mid 40s. South winds around 5 mph, becoming north after midnight.
Friday...Mostly sunny. Highs in the mid 60s. Northeast winds 5 to 10 mph with gusts up to 20 mph.
Friday Night...Mostly cloudy. Lows in the upper 40s. Southeast winds around 5 mph in the evening, becoming light and variable.
Saturday...Mostly cloudy. Highs in the mid 60s. East winds 5 to 10 mph.
Saturday Night...Showers likely. Lows in the upper 40s. Chance of rain 60 percent.
Sunday...Showers. Highs in the lower 60s. Chance of rain 80 percent.
Sunday Night...Showers. Lows in the lower 50s. Chance of rain 80 percent.
Memorial Day And Monday Night...Mostly cloudy with a 40 percent chance of showers. Highs around 70. Lows in the lower 50s.
Tuesday...Partly sunny. Highs in the upper 70s.
Tuesday Night And Wednesday...Partly cloudy. Lows in the mid 50s. Highs in the upper 70s.
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