Marine Weather Net

Boston, MA Weather Forecast


Marine Forecast: Boston Harbor


Boston, Massachusetts

 Lat: 42.36N, Lon: 71.06W

Current Conditions Updated: 554 PM EDT FRI SEP 25 2026

Overcast
Temp: 64°F
  • Humidity:
  • 49%
  • Winds:
  • 22 MPH NNE
  • Gusts:
  • 33 MPH
  • Barometer:
  • 30.08 in.
  • Dewpoint:
  • 45°F
  • Heat index:
  • 64°F

  • Sunrise:
  • 6:32 AM EDT
  • Sunset:
  • 6:36 PM EDT
  • Moonrise:
  • 6:00 PM EDT
  • Moonset:
  • 5:18 AM EDT

TONIGHT

CHANCE OF RAIN
Lo: 55°F
Precip: 50%

SATURDAY

RAIN
Lo: 55°F
Precip: 100%

SUNDAY

RAIN
Hi: 61°F
Lo: 60°F
Precip: 100%

MONDAY

RAIN
Lo: 59°F
Precip: 100%
Weather Forecast In Detail:
Forecast Issued: 402 PM EDT Fri Sep 25 2026

HIGH WIND WARNING IN EFFECT UNTIL 8 AM EDT SUNDAY ...HIGH SURF ADVISORY IN EFFECT UNTIL 8 PM EDT SUNDAY... ...COASTAL FLOOD WARNING IN EFFECT UNTIL 8 PM EDT SUNDAY...
Tonight...Cloudy with a 50 percent chance of rain. Lows in the mid 50s. Northeast winds 15 to 20 mph with gusts up to 40 mph.
Saturday...Rain, windy. Near steady temperature in the upper 50s. Northeast winds 20 to 30 mph with gusts up to 55 mph. Chance of rain near 100 percent.
Saturday Night...Rain. Rain May be heavy at Times. Breezy. Near steady temperature in the mid 50s. Northeast winds 20 to 25 mph with gusts up to 55 mph. Chance of rain near 100 percent.
Sunday...Rain. Rain May be heavy at Times. Breezy with highs in the lower 60s. Northeast winds 20 to 25 mph with gusts up to 50 mph. Chance of rain near 100 percent.
Sunday Night...Rain. Near steady temperature around 60. Northeast winds 15 to 20 mph. Gusts up to 40 mph, Decreasing to 30 mph after midnight. Chance of rain near 100 percent.
Monday...Rain. Near steady temperature around 60. Chance of rain near 100 percent.
Monday Night...Rain. Near steady temperature in the upper 50s. Chance of rain 80 percent.
Tuesday...Mostly cloudy with a 40 percent chance of showers. Highs in the mid 60s.
Tuesday Night...Mostly cloudy. Lows in the upper 50s.
Wednesday...Mostly sunny. Highs around 70.
Wednesday Night...Mostly cloudy. Lows in the upper 50s.
Thursday...Partly cloudy. Highs in the mid 70s. Lows around 60.
Friday...Partly cloudy. Highs in the mid 70s. Lows around 60.
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