Marine Weather Net

Cambridge, MA Weather Forecast


Marine Forecast: Boston Harbor


Cambridge, Massachusetts

 Lat: 42.38N, Lon: 71.11W

Current Conditions Updated: 154 AM EST MON DEC 29 2025

Light Rain
Temp: 35°F
  • Humidity:
  • 95%
  • Winds:
  • 10 MPH SE
  • Gusts:
  • N/A MPH
  • Barometer:
  • 29.75 in.
  • Dewpoint:
  • 34°F
  • Heat index:
  • 35°F

  • Sunrise:
  • 7:11 AM EST
  • Sunset:
  • 4:18 PM EST
  • Moonrise:
  • 12:07 PM EST
  • Moonset:
  • 1:38 AM EST

TONIGHT

RAIN
Lo: 29°F
Precip: 100%

MONDAY

RAIN
Hi: 49°F
Lo: 21°F
Precip: 90%

TUESDAY

PARTLY SUNNY
Hi: 29°F
Lo: 20°F

NEW YEARS DAY THROUGH FRIDAY

PARTLY CLOUDY
Hi: 29°F
Lo: 18°F
Weather Forecast In Detail:
Forecast Issued: 1004 PM EST Sun Dec 28 2025

WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 7 PM THIS EVENING TO 6 AM EST MONDAY
Overnight...Freezing rain likely, then rain and freezing rain. Patchy fog. Additional ice accumulation of up to a tenth of an inch. Not as cool with lows in the upper 20s. Temperature rising into the upper 30s. South winds 5 to 10 mph. Chance of precipitation near 100 percent.
Monday...Rain. Patchy fog in the morning. Not as cool with highs in the upper 40s. South winds 5 to 10 mph with gusts up to 25 mph. Chance of rain 90 percent.
Monday Night...Partly cloudy. Lows in the lower 20s. West winds 15 to 20 mph with gusts up to 30 mph.
Tuesday...Partly sunny. Much colder with highs in the upper 20s. West winds 15 to 20 mph with gusts up to 40 mph.
Tuesday Night...Mostly cloudy. Near steady temperature in the lower 20s. West winds 10 to 15 mph with gusts up to 30 mph.
Wednesday And Wednesday Night...Mostly cloudy. Highs in the mid 30s. Lows around 20.
New Years Day Through Friday...Partly cloudy. Cold. Highs in the upper 20s. Lows 10 to 15.
Friday Night...Mostly clear. Lows 15 to 20.
Saturday...Partly cloudy. Highs in the lower 30s. Lows in the lower 20s.
Sunday...Partly cloudy. Highs in the lower 30s. Lows in the lower 20s.
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