Marine Weather Net

Cambridge, MA Weather Forecast


Marine Forecast: Boston Harbor


Cambridge, Massachusetts

 Lat: 42.38N, Lon: 71.11W

Current Conditions Updated: 1254 AM EDT FRI JUN 19 2026

Mostly Clear
Temp: 71°F
  • Humidity:
  • 73%
  • Winds:
  • 14 MPH WSW
  • Gusts:
  • N/A MPH
  • Barometer:
  • 29.51 in.
  • Dewpoint:
  • 62°F
  • Heat index:
  • 73°F

  • Sunrise:
  • 5:05 AM EDT
  • Sunset:
  • 8:23 PM EDT
  • Moonrise:
  • 10:18 AM EDT
  • Moonset:
  • 11:57 PM EDT

TONIGHT

MOSTLY CLEAR
Lo: 61°F

JUNETEENTH

MOSTLY SUNNY
Hi: 81°F
Lo: 61°F

SATURDAY

SUNNY

Hi: 80°F
Lo: 61°F

SUNDAY

PARTLY SUNNY
Hi: 81°F
Lo: 60°F
Precip: 50%
Weather Forecast In Detail:
Forecast Issued: 1004 PM EDT Thu Jun 18 2026

Overnight...Mostly clear. Lows in the lower 60s. Southwest winds around 10 mph. Gusts up to 20 mph.
Juneteenth...Mostly sunny. Highs in the lower 80s. West winds 10 to 15 mph with gusts up to 30 mph.
Friday Night...Clear. Lows in the lower 60s. West winds 10 to 15 mph. Gusts up to 30 mph, Decreasing to 20 mph after midnight.
Saturday...Sunny. Highs around 80. West winds 10 to 15 mph with gusts up to 30 mph.
Saturday Night...Mostly clear. Lows in the lower 60s. West winds 10 to 15 mph. Gusts up to 25 mph in the evening.
Sunday...Partly sunny with a chance of showers. Highs in the lower 80s. Chance of rain 50 percent.
Sunday Night...Partly cloudy with a chance of showers. Lows around 60. Chance of rain 40 percent.
Monday...Showers likely. Highs in the upper 70s. Chance of rain 70 percent.
Monday Night...Showers likely. Lows in the lower 60s. Chance of rain 70 percent.
Tuesday...Partly sunny with a 50 percent chance of showers. Highs in the lower 80s.
Tuesday Night...Partly cloudy. Lows in the lower 60s.
Wednesday...Sunny. Highs in the mid 80s.
Wednesday Night...Partly cloudy. Lows in the lower 60s.
Thursday...Partly sunny with a chance of showers. Highs in the lower 80s. Chance of rain 40 percent.
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