Marine Weather Net

Cohasset, MA Weather Forecast




Cohasset, Massachusetts

 Lat: 42.24N, Lon: 70.8W

Current Conditions Updated: 1054 AM EDT WED MAY 6 2026

Overcast
Temp: 69°F
  • Humidity:
  • 58%
  • Winds:
  • 16 MPH S
  • Gusts:
  • 26 MPH
  • Barometer:
  • 29.81 in.
  • Dewpoint:
  • 54°F
  • Heat index:
  • 69°F

  • Sunrise:
  • 5:30 AM EDT
  • Sunset:
  • 7:46 PM EDT
  • Moonrise:
  • 12:02 AM EDT
  • Moonset:
  • 8:31 AM EDT

TODAY

CHANCE OF SHOWERS
Hi: 69°F
Lo: 51°F
Precip: 60%

THURSDAY

PARTLY SUNNY
Hi: 65°F
Lo: 45°F

FRIDAY

SUNNY

Hi: 61°F
Lo: 49°F

SUNDAY

PARTLY SUNNY
Hi: 71°F
Lo: 45°F
Weather Forecast In Detail:
Forecast Issued: 702 AM EDT Wed May 06 2026

Today...Mostly cloudy. Showers likely this afternoon. Cooler with highs in the upper 60s. South winds 15 to 20 mph with gusts up to 30 mph. Chance of rain 60 percent.
Tonight...Showers likely with isolated thunderstorms. Patchy fog. Lows in the lower 50s. Southwest winds 15 to 20 mph with gusts up to 30 mph, becoming west around 10 mph with gusts up to 20 mph after midnight. Chance of rain 70 percent.
Thursday...Partly sunny. Highs in the mid 60s. Northwest winds 5 to 10 mph.
Thursday Night...Partly cloudy. Lows in the mid 40s. West winds 5 to 10 mph.
Friday...Sunny. Highs in the lower 60s. West winds 10 to 15 mph.
Friday Night...Partly cloudy. Lows in the mid 40s.
Saturday And Saturday Night...Mostly cloudy with a 50 percent chance of showers. Highs in the mid 60s. Lows in the upper 40s.
Sunday...Partly sunny. Highs in the lower 70s.
Sunday Night And Monday...Showers likely. Lows around 50. Highs in the lower 60s. Chance of rain 70 percent.
Monday Night...Mostly cloudy with a 50 percent chance of showers. Lows in the mid 40s.
Tuesday...Mostly sunny. Highs in the lower 60s.
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