Marine Weather Net

Cambridge, MA Weather Forecast


Marine Forecast: Boston Harbor


Cambridge, Massachusetts

 Lat: 42.38N, Lon: 71.11W

Current Conditions Updated: 354 PM EDT SAT SEP 5 2026

Partly Cloudy
Temp: 68°F
  • Humidity:
  • 75%
  • Winds:
  • 15 MPH ENE
  • Gusts:
  • N/A MPH
  • Barometer:
  • 29.85 in.
  • Dewpoint:
  • 60°F
  • Heat index:
  • 68°F

  • Sunrise:
  • 6:11 AM EDT
  • Sunset:
  • 7:12 PM EDT
  • Moonrise:
  • N/A EDT
  • Moonset:
  • 3:53 PM EDT

THIS AFTERNOON

ISOLATED SHOWERS
Lo: 59°F
Precip: 20%

SUNDAY

MOSTLY SUNNY
Hi: 71°F
Lo: 51°F

LABOR DAY

SUNNY

Hi: 79°F
Lo: 60°F

TUESDAY

MOSTLY SUNNY
Hi: 79°F
Lo: 69°F
Weather Forecast In Detail:
Forecast Issued: 102 PM EDT Sat Sep 05 2026

HIGH RIP CURRENT RISK IN EFFECT FROM LATE TONIGHT THROUGH SUNDAY EVENING
This Afternoon...Cloudy with isolated showers. Cooler. Near steady temperature around 70. Northeast winds 5 to 10 mph. Chance of rain 20 percent.
Tonight...Mostly cloudy. Lows in the upper 50s. North winds around 5 mph.
Sunday...Mostly sunny. Highs in the lower 70s. North winds 5 to 10 mph.
Sunday Night...Mostly clear. Lows in the lower 50s. Northwest winds around 5 mph.
Labor Day...Sunny. Highs in the upper 70s. Northwest winds 5 to 10 mph.
Monday Night...Mostly clear. Lows around 60.
Tuesday...Mostly sunny. Highs in the upper 70s.
Tuesday Night And Wednesday...Mostly cloudy. Lows around 60. Highs in the upper 70s.
Wednesday Night...Mostly cloudy with a 50 percent chance of showers. Lows in the upper 60s.
Thursday...Partly sunny with a 30 percent chance of showers. Highs in the lower 80s.
Thursday Night And Friday...Partly cloudy. Lows in the upper 50s. Highs in the lower 70s.
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