Marine Weather Net

Boston, MA Weather Forecast


Marine Forecast: Boston Harbor


Boston, Massachusetts

 Lat: 42.36N, Lon: 71.06W

Current Conditions Updated: 954 PM EDT THU OCT 15 2026

Mostly Clear
Temp: 52°F
  • Humidity:
  • 48%
  • Winds:
  • 6 MPH SSW
  • Gusts:
  • N/A MPH
  • Barometer:
  • 30.19 in.
  • Dewpoint:
  • 33°F
  • Heat index:
  • 52°F

  • Sunrise:
  • 6:54 AM EDT
  • Sunset:
  • 6:02 PM EDT
  • Moonrise:
  • 12:17 PM EDT
  • Moonset:
  • 8:42 PM EDT

TONIGHT

MOSTLY CLOUDY
Lo: 49°F

FRIDAY

CHANCE OF T-STORM
Hi: 69°F
Lo: 49°F
Precip: 70%

SATURDAY

PARTLY SUNNY
Lo: 31°F

SUNDAY

SUNNY

Hi: 55°F
Lo: 41°F
Weather Forecast In Detail:
Forecast Issued: 1002 PM EDT Thu Oct 15 2026

Overnight...Mostly cloudy. Near steady temperature in the upper 40s. Southeast winds 5 to 10 mph.
Friday...Showers likely in the morning, then showers likely with a slight chance of thunderstorms in the afternoon. Patchy fog. Highs in the upper 60s. South winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 70 percent.
Friday Night...Showers. Lows in the upper 40s. Southwest winds 10 to 15 mph, becoming west after midnight. Gusts up to 30 mph. Chance of rain 90 percent.
Saturday...Partly sunny and much cooler. Near steady temperature in the lower 50s. Northwest winds 15 to 20 mph with gusts up to 30 mph.
Saturday Night...Mostly clear. Patchy frost. Much cooler with lows in the lower 30s. Northwest winds 15 to 20 mph with gusts up to 30 mph, diminishing to around 5 mph after midnight.
Sunday...Sunny. Patchy frost. Highs in the mid 50s.
Sunday Night...Clear. Lows in the upper 30s.
Monday And Monday Night...Mostly clear. Highs around 60. Lows in the lower 40s.
Tuesday And Tuesday Night...Partly cloudy. Highs in the lower 60s. Lows in the mid 40s.
Wednesday And Wednesday Night...Mostly clear. Highs around 60. Lows in the lower 40s.
Thursday...Mostly sunny. Highs in the upper 50s.
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