Marine Weather Net

Cohasset, MA Weather Forecast




Cohasset, Massachusetts

 Lat: 42.24N, Lon: 70.8W

Current Conditions Updated: 1154 PM EDT MON JUN 15 2026

Partly Cloudy
Temp: 68°F
  • Humidity:
  • 54%
  • Winds:
  • 15 MPH NW
  • Gusts:
  • 28 MPH
  • Barometer:
  • 29.71 in.
  • Dewpoint:
  • 51°F
  • Heat index:
  • 68°F

  • Sunrise:
  • 5:04 AM EDT
  • Sunset:
  • 8:20 PM EDT
  • Moonrise:
  • 6:20 AM EDT
  • Moonset:
  • 10:24 PM EDT

TONIGHT

CLEARING

Lo: 59°F

TUESDAY

SUNNY

Hi: 79°F
Lo: 59°F

WEDNESDAY

PARTLY SUNNY
Hi: 81°F
Lo: 61°F

THURSDAY

SHOWERS
Hi: 81°F
Lo: 60°F
Precip: 60%
Weather Forecast In Detail:
Forecast Issued: 1002 PM EDT Mon Jun 15 2026

Overnight...Partly cloudy, then clearing. Cooler with lows in the upper 50s. Northwest winds 10 to 15 mph.
Tuesday...Sunny. Highs in the upper 70s. West winds 5 to 10 mph. Gusts up to 20 mph in the morning.
Tuesday Night...Mostly clear. Lows in the upper 50s. Southwest winds 5 to 10 mph.
Wednesday...Partly sunny. Highs in the lower 80s. South winds 5 to 10 mph.
Wednesday Night...Partly cloudy with a 40 percent chance of showers. Lows in the lower 60s. South winds 5 to 10 mph.
Thursday...Showers likely. Highs in the lower 80s. Chance of rain 60 percent.
Thursday Night...Partly cloudy with a 40 percent chance of showers. Lows in the mid 60s.
Juneteenth And Friday Night...Partly cloudy. Highs in the mid 80s. Lows around 60.
Saturday...Mostly clear. Highs in the lower 80s. Lows in the upper 50s.
Sunday...Mostly clear. Highs in the lower 80s. Lows in the upper 50s.
Sunday Night...Partly cloudy. Lows in the upper 50s.
Monday...Partly sunny with a 40 percent chance of showers. Highs around 80.
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