Marine Weather Net

Boston, MA Weather Forecast


Marine Forecast: Boston Harbor


Boston, Massachusetts

 Lat: 42.36N, Lon: 71.06W

Current Conditions Updated: 1054 AM EDT TUE MAY 5 2026

Partly Cloudy
Temp: 70°F
  • Humidity:
  • 52%
  • Winds:
  • 8 MPH SW
  • Gusts:
  • N/A MPH
  • Barometer:
  • 29.82 in.
  • Dewpoint:
  • 52°F
  • Heat index:
  • 77°F

  • Sunrise:
  • 5:32 AM EDT
  • Sunset:
  • 7:47 PM EDT
  • Moonrise:
  • N/A EDT
  • Moonset:
  • 7:37 AM EDT

THIS AFTERNOON

SUNNY

Hi: 81°F
Lo: 59°F

WEDNESDAY

RAIN
Hi: 70°F
Lo: 51°F
Precip: 70%

THURSDAY

PARTLY SUNNY
Hi: 65°F
Lo: 49°F
Precip: 30%

SUNDAY

MOSTLY SUNNY
Hi: 71°F
Lo: 51°F
Weather Forecast In Detail:
Forecast Issued: 1002 AM EDT Tue May 05 2026

WIND ADVISORY IN EFFECT UNTIL 10 PM EDT THIS EVENING
This Afternoon...Sunny, breezy with highs in the lower 80s. Southwest winds 15 to 25 mph. Gusts up to 50 mph.
Tonight...Partly cloudy in the evening, then becoming mostly cloudy. Breezy with lows in the upper 50s. Southwest winds 15 to 25 mph. Gusts up to 45 mph, Decreasing to 30 mph after midnight.
Wednesday...Cloudy. Rain likely in the afternoon. Cooler with highs around 70. South winds 15 to 20 mph with gusts up to 30 mph. Chance of rain 70 percent.
Wednesday Night...Rain. Patchy fog. Lows in the lower 50s. Southwest winds 10 to 15 mph. Gusts up to 30 mph, Decreasing to 20 mph after midnight. Chance of rain 90 percent.
Thursday...Partly sunny with a 30 percent chance of rain. Highs in the mid 60s. West winds 5 to 10 mph.
Thursday Night...Partly cloudy. Lows in the mid 40s.
Friday And Friday Night...Mostly clear. Highs in the lower 60s. Lows in the upper 40s.
Saturday And Saturday Night...Mostly cloudy. A 30 percent chance of showers. Highs in the mid 60s. Lows in the upper 40s.
Sunday...Mostly sunny. Highs in the lower 70s.
Sunday Night...Mostly cloudy with a 30 percent chance of showers. Lows in the lower 50s.
Monday...Mostly cloudy with a 50 percent chance of showers. Highs in the mid 60s.
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