Marine Weather Net

Cambridge, MA Weather Forecast


Marine Forecast: Boston Harbor


Cambridge, Massachusetts

 Lat: 42.38N, Lon: 71.11W

Current Conditions Updated: 1154 PM EDT THU MAR 19 2026

Overcast
Temp: 37°F
  • Humidity:
  • 69%
  • Winds:
  • 10 MPH WSW
  • Gusts:
  • N/A MPH
  • Barometer:
  • 30.18 in.
  • Dewpoint:
  • 28°F
  • Heat index:
  • 37°F

  • Sunrise:
  • 6:46 AM EDT
  • Sunset:
  • 6:55 PM EDT
  • Moonrise:
  • 7:18 AM EDT
  • Moonset:
  • 9:16 PM EDT

TONIGHT

MOSTLY CLOUDY
Lo: 35°F

FRIDAY

SUNNY

Hi: 55°F
Lo: 41°F
Precip: 20%

SATURDAY

MOSTLY SUNNY
Hi: 55°F
Lo: 35°F

SUNDAY

CHANCE OF RAIN
Hi: 51°F
Lo: 39°F
Precip: 40%
Weather Forecast In Detail:
Forecast Issued: 1005 PM EDT Thu Mar 19 2026

Overnight...Mostly cloudy. Near steady temperature in the mid 30s. Southwest winds around 5 mph.
Friday...Sunny in the morning, then mostly cloudy with a slight chance of rain showers in the afternoon. Not as cool with highs in the mid 50s. West winds around 5 mph, becoming south 10 to 15 mph with gusts up to 30 mph in the afternoon. Chance of rain 20 percent.
Friday Night...Showers. Lows in the lower 40s. Southwest winds 10 to 15 mph with gusts up to 30 mph. Chance of rain 90 percent.
Saturday...Mostly sunny. Highs in the mid 50s. Northwest winds 10 to 15 mph with gusts up to 30 mph.
Saturday Night...Mostly cloudy. Lows in the mid 30s. Northwest winds 10 to 15 mph, becoming west around 5 mph after midnight.
Sunday...Mostly cloudy with a 40 percent chance of rain. Highs in the lower 50s.
Sunday Night...Rain likely. Lows in the upper 30s. Chance of rain 70 percent.
Monday...Rain likely. Highs in the mid 40s. Chance of rain 60 percent.
Monday Night...Partly cloudy. Lows in the upper 20s. Highs in the lower 40s.
Tuesday...Partly cloudy. Lows in the upper 20s. Highs in the lower 40s.
Wednesday...Partly sunny with a chance of rain. Highs in the upper 40s. Chance of rain 30 percent.
Wednesday Night And Thursday...Mostly cloudy. Lows in the upper 20s. Highs in the upper 40s.
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