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 SAT SEP 19 2026

Mostly Cloudy
Temp: 61°F
  • Humidity:
  • 53%
  • Winds:
  • 9 MPH E
  • Gusts:
  • N/A MPH
  • Barometer:
  • 30.21 in.
  • Dewpoint:
  • 44°F
  • Heat index:
  • 61°F

  • Sunrise:
  • 6:26 AM EDT
  • Sunset:
  • 6:47 PM EDT
  • Moonrise:
  • 3:15 PM EDT
  • Moonset:
  • 11:48 PM EDT

THIS AFTERNOON

MOSTLY SUNNY
Lo: 45°F

SUNDAY

SHOWERS
Hi: 61°F
Lo: 51°F
Precip: 100%

MONDAY

PARTLY SUNNY
Hi: 69°F
Lo: 49°F

THURSDAY

CHANCE OF SHOWERS
Hi: 61°F
Lo: 49°F
Precip: 30%
Weather Forecast In Detail:
Forecast Issued: 103 PM EDT Sat Sep 19 2026

This Afternoon...Mostly sunny and much cooler. Near steady temperature in the lower 60s. East winds around 5 mph.
Tonight...Partly cloudy. Lows in the mid 40s. Southeast winds around 5 mph.
Sunday...Showers in the afternoon. Patchy fog in the afternoon. Highs in the lower 60s. Southeast winds 5 to 10 mph. Chance of rain near 100 percent.
Sunday Night...Showers. Patchy fog. Lows in the lower 50s. East winds 5 to 10 mph, becoming north after midnight. Chance of rain near 100 percent.
Monday...Partly sunny. Highs in the upper 60s. Northeast winds 5 to 10 mph with gusts up to 20 mph.
Monday Night...Mostly cloudy. Lows in the upper 40s. Highs in the lower 60s.
Tuesday...Mostly cloudy. Lows in the upper 40s. Highs in the lower 60s.
Wednesday...Mostly cloudy. Lows in the upper 40s. Highs in the lower 60s.
Thursday...Mostly cloudy with a 30 percent chance of showers. Highs in the lower 60s.
Thursday Night And Friday...Mostly cloudy. A 40 percent chance of showers. Lows in the upper 40s. Highs in the lower 60s.
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