Marine Weather Net

Cambridge, MA Weather Forecast


Marine Forecast: Boston Harbor


Cambridge, Massachusetts

 Lat: 42.38N, Lon: 71.11W

Current Conditions Updated: 754 AM EDT TUE AUG 4 2026

Mostly Clear
Temp: 72°F
  • Humidity:
  • 68%
  • Winds:
  • 9 MPH W
  • Gusts:
  • 18 MPH
  • Barometer:
  • 30.05 in.
  • Dewpoint:
  • 61°F
  • Heat index:
  • 75°F

  • Sunrise:
  • 5:38 AM EDT
  • Sunset:
  • 7:59 PM EDT
  • Moonrise:
  • 10:36 PM EDT
  • Moonset:
  • 12:03 PM EDT

TODAY

SUNNY

Hi: 85°F
Lo: 65°F

WEDNESDAY

MOSTLY SUNNY
Hi: 85°F
Lo: 75°F

THURSDAY

PARTLY SUNNY
Hi: 90°F
Lo: 71°F
Precip: 40%

FRIDAY

SUNNY

Hi: 91°F
Lo: 71°F
Precip: 30%
Weather Forecast In Detail:
Forecast Issued: 703 AM EDT Tue Aug 04 2026

Today...Sunny. Highs in the mid 80s. West winds around 5 mph.
Tonight...Mostly clear in the evening, then becoming partly cloudy. Lows in the mid 60s. Southwest winds around 5 mph.
Wednesday...Mostly sunny. Highs in the mid 80s. Southwest winds around 5 mph.
Wednesday Night...Partly cloudy. Humid with lows around 70. Southwest winds around 5 mph.
Thursday...Partly sunny with a chance of showers. Hot with highs around 90. Southwest winds 5 to 10 mph. Chance of rain 40 percent.
Thursday Night...Partly cloudy with a chance of showers. Lows in the lower 70s. Chance of rain 30 percent.
Friday...Sunny with a chance of showers and thunderstorms. Hot with highs in the lower 90s. Chance of rain 30 percent. Heat index values up to 100.
Friday Night...Partly cloudy with a chance of showers and thunderstorms. Lows in the lower 70s. Chance of rain 30 percent.
Saturday And Saturday Night...Partly cloudy. A chance of showers. Highs in the upper 80s. Lows in the lower 70s. Chance of rain 40 percent.
Sunday...Mostly clear. Hot. Highs around 90. Lows in the lower 70s.
Monday...Mostly clear. Hot. Highs around 90. Lows in the lower 70s.
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