Marine Weather Net

Boston, MA Weather Forecast


Marine Forecast: Boston Harbor


Boston, Massachusetts

 Lat: 42.36N, Lon: 71.06W

Current Conditions Updated: 324 PM EDT MON MAY 25 2026

Mostly Cloudy
Temp: 70°F
  • Humidity:
  • 68%
  • Winds:
  • 10 MPH WSW
  • Gusts:
  • N/A MPH
  • Barometer:
  • 29.98 in.
  • Dewpoint:
  • 59°F
  • Heat index:
  • 74°F

  • Sunrise:
  • 5:12 AM EDT
  • Sunset:
  • 8:07 PM EDT
  • Moonrise:
  • 2:47 PM EDT
  • Moonset:
  • 2:13 AM EDT

THIS AFTERNOON

CHANCE OF SHOWERS
Hi: 71°F
Lo: 57°F
Precip: 20%

TUESDAY

MOSTLY SUNNY
Hi: 81°F
Lo: 61°F

WEDNESDAY

PARTLY SUNNY
Hi: 85°F
Lo: 51°F
Precip: 30%

FRIDAY

PARTLY SUNNY
Hi: 69°F
Lo: 51°F
Precip: 30%
Weather Forecast In Detail:
Forecast Issued: 103 PM EDT Mon May 25 2026

This Afternoon...Mostly cloudy with a 20 percent chance of showers. Areas of fog. Not as cool with highs in the lower 70s. West winds 5 to 10 mph.
Tonight...Mostly clear in the evening, then becoming partly cloudy. Areas of fog after midnight. Lows in the upper 50s. West winds around 5 mph.
Tuesday...Mostly sunny. Warmer with highs in the lower 80s. Southwest winds 5 to 10 mph.
Tuesday Night...Partly cloudy. Lows in the lower 60s. Southwest winds 5 to 10 mph.
Wednesday...Partly sunny with a chance of showers. Highs in the mid 80s. West winds 5 to 10 mph. Gusts up to 20 mph in the afternoon. Chance of rain 30 percent.
Wednesday Night And Thursday...Partly cloudy. A chance of showers. Lows in the upper 50s. Highs in the lower 70s. Chance of rain 30 percent.
Thursday Night...Partly cloudy. Lows in the lower 50s.
Friday...Partly sunny with a 30 percent chance of showers. Highs in the upper 60s.
Friday Night And Saturday...Mostly cloudy. A 40 percent chance of showers. Lows in the lower 50s. Highs in the upper 60s.
Saturday Night...Partly cloudy with a 30 percent chance of showers. Lows in the lower 50s.
Sunday...Mostly sunny. Highs in the upper 60s.
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