Marine Weather Net

Cohasset, MA Weather Forecast




Cohasset, Massachusetts

 Lat: 42.24N, Lon: 70.8W

Current Conditions Updated: 354 PM EDT THU OCT 8 2026

Partly Cloudy
Temp: 72°F
  • Humidity:
  • 30%
  • Winds:
  • 17 MPH W
  • Gusts:
  • 28 MPH
  • Barometer:
  • 29.78 in.
  • Dewpoint:
  • 39°F
  • Heat index:
  • 76°F

  • Sunrise:
  • 6:45 AM EDT
  • Sunset:
  • 6:13 PM EDT
  • Moonrise:
  • 4:31 AM EDT
  • Moonset:
  • 5:08 PM EDT

THIS AFTERNOON

MOSTLY SUNNY
Lo: 50°F

FRIDAY

SUNNY

Hi: 65°F
Lo: 45°F

SATURDAY

SUNNY

Hi: 61°F
Lo: 49°F

SUNDAY

MOSTLY CLOUDY
Hi: 69°F
Lo: 55°F
Weather Forecast In Detail:
Forecast Issued: 102 PM EDT Thu Oct 08 2026

This Afternoon...Mostly sunny. Near steady temperature around 70. West winds around 10 mph with gusts up to 30 mph.
Tonight...Mostly clear. Lows around 50. West winds 5 to 10 mph. Gusts up to 30 mph in the evening.
Friday...Sunny. Highs in the mid 60s. West winds 10 to 15 mph with gusts up to 30 mph.
Friday Night...Clear. Lows in the mid 40s. West winds 5 to 10 mph. Gusts up to 30 mph in the evening.
Saturday...Sunny. Highs in the lower 60s. Northwest winds around 5 mph.
Saturday Night...Partly cloudy. Lows in the upper 40s.
Sunday...Mostly cloudy. Highs in the upper 60s.
Sunday Night...Showers likely. Lows in the mid 50s. Chance of rain 70 percent.
Columbus Day...Showers likely. Highs in the upper 60s. Chance of rain 70 percent.
Monday Night...Partly cloudy. Lows in the mid 50s.
Tuesday...Partly sunny with a 30 percent chance of showers. Highs in the mid 60s.
Tuesday Night...Mostly cloudy with a 40 percent chance of showers. Lows in the upper 40s.
Wednesday...Partly sunny. Highs in the upper 50s.
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