Marine Weather Net

Cohasset, MA Weather Forecast




Cohasset, Massachusetts

 Lat: 42.24N, Lon: 70.8W

Current Conditions Updated: 454 PM EDT SAT JUN 13 2026

Mostly Clear
Temp: 89°F
  • Humidity:
  • 29%
  • Winds:
  • 9 MPH NW
  • Gusts:
  • 22 MPH
  • Barometer:
  • 29.77 in.
  • Dewpoint:
  • 53°F
  • Heat index:
  • 89°F

  • Sunrise:
  • 5:04 AM EDT
  • Sunset:
  • 8:19 PM EDT
  • Moonrise:
  • 3:12 AM EDT
  • Moonset:
  • 7:15 PM EDT

TONIGHT

MOSTLY CLEAR
Lo: 65°F

SUNDAY

MOSTLY SUNNY
Hi: 91°F
Lo: 61°F

MONDAY

PARTLY SUNNY
Hi: 81°F
Lo: 59°F

TUESDAY

SUNNY

Hi: 81°F
Lo: 61°F
Weather Forecast In Detail:
Forecast Issued: 403 PM EDT Sat Jun 13 2026

Tonight...Mostly clear. Lows in the mid 60s. West winds around 5 mph.
Sunday...Mostly sunny. Hot with highs in the lower 90s. Southwest winds 10 to 15 mph. Gusts up to 25 mph in the afternoon.
Sunday Night...Mostly cloudy. Showers after midnight. Lows in the lower 60s. South winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 80 percent.
Monday...Partly sunny. Not as warm with highs in the lower 80s. West winds around 10 mph.
Monday Night...Mostly clear. Lows in the upper 50s. Northwest winds 5 to 10 mph.
Tuesday...Sunny. Highs in the lower 80s.
Tuesday Night And Wednesday...Partly cloudy. Lows in the upper 50s. Highs in the lower 80s.
Wednesday Night...Mostly cloudy. Lows around 60.
Thursday And Thursday Night...Mostly cloudy. A chance of showers. Highs in the mid 80s. Lows in the mid 60s. Chance of rain 40 percent.
Juneteenth And Friday Night...Partly cloudy. Highs in the upper 80s. Lows in the lower 60s.
Saturday...Sunny. Highs in the upper 80s.
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