Marine Weather Net

Winthrop, MA Weather Forecast

Marine Forecast: Boston Harbor

Winthrop, Massachusetts

 Lat: 42.38N, Lon: 70.98W

Current Conditions Updated: 754 PM EDT WED OCT 27 2021

Temp: 50°F
  • Humidity:
  • 76%
  • Winds:
  • 13 MPH N
  • Gusts:
  • N/A MPH
  • Barometer:
  • 29.81 in.
  • Dewpoint:
  • 43°F
  • Heat index:
  • 50°F

  • Sunrise:
  • 7:09 AM EDT
  • Sunset:
  • 5:43 PM EDT
  • Moonrise:
  • 10:35 PM EDT
  • Moonset:
  • 1:40 PM EDT


Lo: 41°F
Precip: 20%


Hi: 51°F
Lo: 41°F


Hi: 55°F
Lo: 50°F


Hi: 61°F
Lo: 55°F
Precip: 90%
Weather Forecast In Detail:
Forecast Issued: 726 PM EDT Wed Oct 27 2021

Tonight...Cloudy. Isolated showers this evening. Patchy fog this evening. Breezy with lows in the lower 40s. North winds 15 to 25 mph with gusts up to 40 mph. Chance of rain 20 percent.
Thursday...Mostly cloudy. Highs in the lower 50s. North winds 10 to 15 mph with gusts up to 25 mph.
Thursday Night...Partly cloudy in the evening, then becoming mostly cloudy. Lows in the lower 40s. North winds 5 to 10 mph. Gusts up to 20 mph in the evening.
Friday...Mostly cloudy. Highs in the mid 50s. Northeast winds 10 to 15 mph.
Friday Night...Rain likely. Near steady temperature in the lower 50s. East winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 70 percent.
Saturday...Rain. Highs in the lower 60s. Chance of rain 90 percent.
Saturday Night...Rain. Lows in the mid 50s. Chance of rain 80 percent.
Sunday...Mostly cloudy with a 40 percent chance of rain. Highs in the mid 60s.
Sunday Night...Partly cloudy. Lows in the upper 40s.
Monday...Sunny. Highs in the lower 60s.
Monday Night...Mostly clear. Lows in the lower 40s.
Tuesday...Mostly sunny. Highs in the upper 50s.
Tuesday Night...Mostly cloudy. Lows in the mid 40s.
Wednesday...Partly sunny with a 30 percent chance of showers. Highs in the upper 50s.