Marine Weather Net

Cohasset, MA Weather Forecast




Cohasset, Massachusetts

 Lat: 42.24N, Lon: 70.8W

Current Conditions Updated: 154 PM EDT TUE MAY 26 2026

Mostly Clear
Temp: 74°F
  • Humidity:
  • 53%
  • Winds:
  • 9 MPH ESE
  • Gusts:
  • N/A MPH
  • Barometer:
  • 30.01 in.
  • Dewpoint:
  • 56°F
  • Heat index:
  • 77°F

  • Sunrise:
  • 5:11 AM EDT
  • Sunset:
  • 8:06 PM EDT
  • Moonrise:
  • 3:50 PM EDT
  • Moonset:
  • 2:32 AM EDT

THIS AFTERNOON

SUNNY

Hi: 81°F
Lo: 61°F

WEDNESDAY

PARTLY SUNNY
Hi: 85°F
Lo: 60°F
Precip: 30%

THURSDAY

PARTLY SUNNY
Hi: 71°F
Lo: 51°F
Precip: 40%

MONDAY

PARTLY SUNNY
Hi: 70°F
Precip: 30%
Weather Forecast In Detail:
Forecast Issued: 1002 AM EDT Tue May 26 2026

This Afternoon...Sunny. Highs in the lower 80s. Light and variable winds, becoming southwest 5 to 10 mph.
Tonight...Partly cloudy in the evening, then becoming mostly cloudy. Lows in the lower 60s. Southwest winds 5 to 10 mph.
Wednesday...Partly sunny. A chance of showers in the afternoon. Highs in the mid 80s. Southwest winds 5 to 10 mph. Gusts up to 20 mph in the afternoon. Chance of rain 30 percent.
Wednesday Night...Mostly cloudy. Lows around 60. Northwest winds 5 to 10 mph.
Thursday...Partly sunny with a 40 percent chance of showers. Cooler with highs in the lower 70s. North winds 5 to 10 mph.
Thursday Night And Friday...Partly cloudy. A 40 percent chance of showers. Lows in the lower 50s. Highs in the upper 60s.
Friday Night And Saturday...Mostly cloudy. A 50 percent chance of showers. Lows around 50. Highs in the mid 60s.
Saturday Night...Partly cloudy with a 40 percent chance of showers. Lows in the upper 40s.
Sunday And Sunday Night...Partly cloudy. Highs in the upper 60s. Lows in the lower 50s.
Monday...Partly sunny with a 30 percent chance of showers. Highs around 70.
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