Marine Weather Net

Cambridge, MA Weather Forecast


Marine Forecast: Boston Harbor


Cambridge, Massachusetts

 Lat: 42.38N, Lon: 71.11W

Current Conditions Updated: 1054 AM EDT WED MAY 6 2026

Overcast
Temp: 69°F
  • Humidity:
  • 58%
  • Winds:
  • 16 MPH S
  • Gusts:
  • 26 MPH
  • Barometer:
  • 29.81 in.
  • Dewpoint:
  • 54°F
  • Heat index:
  • 69°F

  • Sunrise:
  • 5:31 AM EDT
  • Sunset:
  • 7:48 PM EDT
  • Moonrise:
  • 12:04 AM EDT
  • Moonset:
  • 8:32 AM EDT

TODAY

CHANCE OF SHOWERS
Hi: 71°F
Lo: 51°F
Precip: 70%

THURSDAY

MOSTLY SUNNY
Hi: 65°F
Lo: 45°F

FRIDAY

SUNNY

Hi: 61°F
Lo: 49°F

SUNDAY

PARTLY SUNNY
Hi: 71°F
Lo: 51°F
Weather Forecast In Detail:
Forecast Issued: 702 AM EDT Wed May 06 2026

Today...Mostly cloudy. Showers likely this afternoon. Cooler with highs in the lower 70s. South winds 15 to 20 mph with gusts up to 30 mph. Chance of rain 70 percent.
Tonight...Showers likely with isolated thunderstorms. Patchy fog. Lows in the lower 50s. Southwest winds 10 to 15 mph with gusts up to 25 mph, becoming west 5 to 10 mph after midnight. Chance of rain 70 percent.
Thursday...Mostly sunny. Highs in the mid 60s. Northwest winds around 10 mph.
Thursday Night...Partly cloudy. Lows in the mid 40s. West winds 5 to 10 mph.
Friday...Sunny. Highs in the lower 60s. West winds 10 to 15 mph with gusts up to 25 mph.
Friday Night...Partly cloudy. Lows in the mid 40s.
Saturday And Saturday Night...Mostly cloudy with a 50 percent chance of showers. Highs in the mid 60s. Lows in the upper 40s.
Sunday...Partly sunny. Highs in the lower 70s.
Sunday Night...Showers likely. Lows in the lower 50s. Chance of rain 70 percent.
Monday...Showers likely. Highs in the mid 60s. Chance of rain 60 percent.
Monday Night...Mostly cloudy with a 50 percent chance of showers. Lows in the mid 40s.
Tuesday...Mostly sunny. Highs in the lower 60s.
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