Marine Weather Net

Mattapoisett, MA Weather Forecast


Marine Forecast: Buzzards Bay


Mattapoisett, Massachusetts

 Lat: 41.66N, Lon: 70.82W

Current Conditions Updated: 1145 AM EDT THU AUG 6 2026

Partly Cloudy
Temp: 85°F
  • Humidity:
  • 74%
  • Winds:
  • 8 MPH WSW
  • Gusts:
  • N/A MPH
  • Barometer:
  • 30.11 in.
  • Dewpoint:
  • 76°F
  • Heat index:
  • 94°F

  • Sunrise:
  • 5:41 AM EDT
  • Sunset:
  • 7:53 PM EDT
  • Moonrise:
  • 11:44 PM EDT
  • Moonset:
  • 2:30 PM EDT

THIS AFTERNOON

MOSTLY SUNNY
Hi: 85°F
Lo: 75°F

FRIDAY

SUNNY

Hi: 89°F
Lo: 75°F

SATURDAY

MOSTLY SUNNY
Hi: 89°F
Lo: 71°F

SUNDAY

MOSTLY CLEAR
Hi: 89°F
Lo: 71°F
Weather Forecast In Detail:
Forecast Issued: 1003 AM EDT Thu Aug 06 2026

HEAT ADVISORY IN EFFECT UNTIL 8 PM EDT FRIDAY
This Afternoon...Mostly sunny. Highs in the mid 80s. Southwest winds 5 to 10 mph. Gusts up to 20 mph.
Tonight...Partly cloudy. Patchy fog after midnight. Humid with lows in the lower 70s. Southwest winds 5 to 10 mph. Gusts up to 20 mph in the evening.
Friday...Sunny. Patchy fog in the morning. Humid with highs in the upper 80s. Southwest winds 5 to 10 mph. Gusts up to 20 mph in the afternoon. Heat index values up to 100.
Friday Night...Mostly cloudy. Humid with lows in the lower 70s. Southwest winds 5 to 10 mph. Gusts up to 20 mph in the evening.
Saturday...Mostly sunny. Humid with highs in the upper 80s. Southwest winds 10 to 15 mph with gusts up to 25 mph.
Saturday Night...Partly cloudy. Lows in the lower 70s.
Sunday...Mostly clear. Highs in the upper 80s. Lows in the lower 70s.
Monday...Mostly clear. Highs in the upper 80s. Lows in the lower 70s.
Monday Night...Partly cloudy. Lows in the lower 70s.
Tuesday...Partly sunny with a 30 percent chance of showers. Highs in the mid 80s.
Tuesday Night...Mostly cloudy with a 40 percent chance of showers. Lows in the upper 60s.
Wednesday...Mostly sunny. Highs in the mid 80s.
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