Marine Weather Net

Cambridge, MA Weather Forecast


Marine Forecast: Boston Harbor


Cambridge, Massachusetts

 Lat: 42.38N, Lon: 71.11W

Current Conditions Updated: 454 AM EDT TUE JUL 14 2026

Mostly Clear
Temp: 72°F
  • Humidity:
  • 66%
  • Winds:
  • 14 MPH WSW
  • Gusts:
  • N/A MPH
  • Barometer:
  • 29.99 in.
  • Dewpoint:
  • 60°F
  • Heat index:
  • 75°F

  • Sunrise:
  • 5:18 AM EDT
  • Sunset:
  • 8:18 PM EDT
  • Moonrise:
  • 5:12 AM EDT
  • Moonset:
  • 8:57 PM EDT

TODAY

MOSTLY SUNNY
Hi: 95°F
Lo: 77°F

WEDNESDAY

PARTLY SUNNY
Hi: 95°F
Lo: 69°F
Precip: 30%

THURSDAY

SUNNY

Hi: 89°F
Lo: 65°F

SATURDAY

PARTLY SUNNY
Hi: 85°F
Lo: 69°F
Precip: 30%
Weather Forecast In Detail:
Forecast Issued: 404 AM EDT Tue Jul 14 2026

HEAT ADVISORY REMAINS IN EFFECT FROM 11 AM THIS MORNING TO 8 PM EDT WEDNESDAY
Today...Mostly sunny. Hot with highs in the mid 90s. West winds 10 to 15 mph. Gusts up to 20 mph, increasing to 30 mph this afternoon.
Tonight...Mostly clear in the evening, then becoming partly cloudy. Humid with lows in the upper 70s. West winds 10 to 15 mph. Gusts up to 30 mph in the evening. Heat index values up to 100 early.
Wednesday...Partly sunny. A chance of showers in the morning. Hot with highs in the mid 90s. Northwest winds around 10 mph with gusts up to 20 mph. Chance of rain 30 percent.
Wednesday Night...Partly cloudy. Cooler with lows in the upper 60s. Northwest winds 5 to 10 mph. Gusts up to 20 mph in the evening.
Thursday...Sunny. Highs in the upper 80s. West winds 10 to 15 mph with gusts up to 25 mph.
Thursday Night...Partly cloudy. Lows in the mid 60s.
Friday And Friday Night...Mostly clear. Highs in the lower 80s. Lows in the mid 60s.
Saturday...Partly sunny with a 30 percent chance of showers. Highs in the mid 80s.
Saturday Night...Mostly cloudy with a 40 percent chance of showers. Lows in the upper 60s.
Sunday And Sunday Night...Mostly cloudy. A chance of showers. Highs in the lower 80s. Lows in the upper 60s. Chance of rain 40 percent.
Monday...Partly sunny with a 30 percent chance of showers. Highs in the mid 80s.
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