Marine Weather Net

Dartmouth, MA Weather Forecast


Marine Forecast: Buzzards Bay


Dartmouth, Massachusetts

 Lat: 41.78N, Lon: 71.1W

Current Conditions Updated: 1052 PM EDT THU AUG 6 2026

Clear


Temp: 77°F
  • Humidity:
  • 93%
  • Winds:
  • N/A
  • Gusts:
  • N/A MPH
  • Barometer:
  • 30.09 in.
  • Dewpoint:
  • 75°F
  • Heat index:
  • 78°F

  • Sunrise:
  • 5:42 AM EDT
  • Sunset:
  • 7:55 PM EDT
  • Moonrise:
  • 11:45 PM EDT
  • Moonset:
  • 2:31 PM EDT

TONIGHT

PARTLY CLOUDY
Lo: 71°F

FRIDAY

PARTLY SUNNY
Hi: 90°F
Lo: 75°F
Precip: 20%

SATURDAY

PARTLY SUNNY
Hi: 89°F
Lo: 75°F
Precip: 50%

SUNDAY

MOSTLY CLEAR
Hi: 89°F
Lo: 65°F
Weather Forecast In Detail:
Forecast Issued: 1004 PM EDT Thu Aug 06 2026

HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT FRIDAY
Overnight...Mostly clear, then becoming partly cloudy. Patchy fog. Lows in the lower 70s. Southwest winds around 5 mph.
Friday...Partly sunny. Patchy fog in the morning. A slight chance of showers and thunderstorms in the afternoon. Hot with highs around 90. Southwest winds 5 to 10 mph. Chance of rain 20 percent. Heat index values up to 100.
Friday Night...Partly cloudy in the evening, then becoming mostly cloudy. Humid with lows in the lower 70s. Southwest winds around 5 mph.
Saturday...Partly sunny with a chance of showers and thunderstorms. Humid with highs in the upper 80s. Southwest winds 5 to 10 mph. Gusts up to 20 mph in the afternoon. Chance of rain 50 percent.
Saturday Night...Partly cloudy with a chance of showers. Humid with lows in the lower 70s. Southwest winds 5 to 10 mph. Gusts up to 20 mph in the evening. Chance of rain 40 percent.
Sunday...Mostly clear. Highs in the upper 80s. Lows in the mid 60s.
Monday...Mostly clear. Highs in the upper 80s. Lows in the mid 60s.
Monday Night...Partly cloudy. Lows in the upper 60s.
Tuesday...Partly sunny with a chance of showers. Highs in the upper 80s. Chance of rain 40 percent.
Tuesday Night...Mostly cloudy with a chance of showers. Lows in the upper 60s. Chance of rain 40 percent.
Wednesday...Partly sunny with a 30 percent chance of showers. Highs in the mid 80s.
Wednesday Night...Partly cloudy. Lows in the mid 60s.
Thursday...Partly sunny with a chance of showers. Highs in the lower 80s. Chance of rain 40 percent.
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