Marine Weather Net

Cambridge, MA Weather Forecast


Marine Forecast: Boston Harbor


Cambridge, Massachusetts

 Lat: 42.38N, Lon: 71.11W

Current Conditions Updated: 154 PM EDT FRI OCT 30 2026

Mostly Clear
Temp: 71°F
  • Humidity:
  • 29%
  • Winds:
  • 17 MPH W
  • Gusts:
  • 28 MPH
  • Barometer:
  • 29.88 in.
  • Dewpoint:
  • 38°F
  • Heat index:
  • 76°F

  • Sunrise:
  • 7:12 AM EDT
  • Sunset:
  • 5:40 PM EDT
  • Moonrise:
  • 9:24 PM EDT
  • Moonset:
  • 12:37 PM EDT

THIS AFTERNOON

SUNNY

Hi: 69°F
Lo: 55°F

FRIDAY

SUNNY

Hi: 69°F
Lo: 40°F

SATURDAY

SUNNY

Hi: 55°F
Lo: 41°F

TUESDAY

MOSTLY CLOUDY
Hi: 65°F
Lo: 45°F
Weather Forecast In Detail:
Forecast Issued: 1004 AM EDT Thu Oct 29 2026

This Afternoon...Sunny. Not as cool with highs in the upper 60s. Southwest winds 10 to 15 mph.
Tonight...Mostly clear in the evening, then becoming partly cloudy. Not as cool with lows in the mid 50s. Southwest winds around 10 mph. Gusts up to 20 mph in the evening.
Friday...Sunny. Highs in the upper 60s. West winds 10 to 15 mph with gusts up to 30 mph.
Friday Night...Mostly clear. Cooler with lows around 40. Northwest winds 5 to 10 mph. Gusts up to 25 mph in the evening.
Saturday...Sunny, cooler with highs in the mid 50s. Northwest winds 5 to 10 mph.
Saturday Night And Sunday...Mostly clear. Lows in the lower 30s. Highs in the lower 60s.
Sunday Night...Partly cloudy. Lows in the lower 40s. Highs in the mid 60s.
Monday...Partly cloudy. Lows in the lower 40s. Highs in the mid 60s.
Tuesday...Mostly cloudy. Highs in the mid 60s. Lows in the mid 40s.
Wednesday...Mostly cloudy. Highs in the mid 60s. Lows in the mid 40s.
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