Marine Weather Net

Cohasset, MA Weather Forecast




Cohasset, Massachusetts

 Lat: 42.24N, Lon: 70.8W

Current Conditions Updated: 654 PM EDT WED OCT 28 2026

Mostly Cloudy
Temp: 49°F
  • Humidity:
  • 77%
  • Winds:
  • 6 MPH SSE
  • Gusts:
  • N/A MPH
  • Barometer:
  • 30.41 in.
  • Dewpoint:
  • 42°F
  • Heat index:
  • 49°F

  • Sunrise:
  • 7:08 AM EDT
  • Sunset:
  • 5:42 PM EDT
  • Moonrise:
  • 7:09 PM EDT
  • Moonset:
  • 10:24 AM EDT

TONIGHT

PARTLY CLOUDY
Lo: 41°F

THURSDAY

SUNNY

Hi: 69°F
Lo: 55°F

FRIDAY

SUNNY

Hi: 69°F
Lo: 39°F

SATURDAY

SUNNY

Hi: 55°F
Lo: 45°F
Weather Forecast In Detail:
Forecast Issued: 702 PM EDT Wed Oct 28 2026

Tonight...Partly cloudy this evening, then becoming mostly clear. Lows in the lower 40s. Southwest winds around 5 mph.
Thursday...Sunny. Not as cool with highs in the upper 60s. Southwest winds 5 to 10 mph with gusts up to 20 mph.
Thursday Night...Mostly clear in the evening, then becoming mostly cloudy. Not as cool with lows in the mid 50s. Southwest winds 5 to 10 mph with gusts up to 20 mph.
Friday...Sunny. Highs in the upper 60s. West winds 5 to 10 mph with gusts up to 20 mph.
Friday Night...Clear. Much cooler with lows in the upper 30s. Northwest winds 5 to 10 mph. Gusts up to 20 mph in the evening.
Saturday...Sunny, cooler with highs in the mid 50s.
Saturday Night And Sunday...Mostly clear. Lows in the lower 30s. Highs in the upper 50s.
Sunday Night...Mostly clear. Lows in the lower 40s.
Monday And Monday Night...Partly cloudy. Highs in the mid 60s. Lows in the mid 40s.
Tuesday...Partly sunny. Highs around 60.
Tuesday Night And Wednesday...Partly cloudy. Lows in the mid 40s. Highs in the lower 60s.
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