Marine Weather Net

Osterville, MA Weather Forecast


Marine Forecast: Nantucket Sound


Osterville, Massachusetts

 Lat: 41.63N, Lon: 70.39W

Current Conditions Updated: 450 PM EST THU NOV 13 2025

Partly Cloudy
Temp: 44°F
  • Humidity:
  • 65%
  • Winds:
  • 10 MPH WNW
  • Gusts:
  • N/A MPH
  • Barometer:
  • 29.79 in.
  • Dewpoint:
  • 33°F
  • Heat index:
  • 44°F

  • Sunrise:
  • 6:26 AM EST
  • Sunset:
  • 4:22 PM EST
  • Moonrise:
  • N/A EST
  • Moonset:
  • 1:25 PM EST

TONIGHT

PARTLY CLOUDY
Lo: 35°F
Precip: 20%

FRIDAY

PARTLY SUNNY
Hi: 45°F
Lo: 31°F
Precip: 20%

SATURDAY

MOSTLY SUNNY
Hi: 49°F
Lo: 40°F

SUNDAY

RAIN
Hi: 55°F
Lo: 35°F
Precip: 80%
Weather Forecast In Detail:
Forecast Issued: 404 PM EST Thu Nov 13 2025

Tonight...Mostly cloudy this evening, then becoming partly cloudy. A 20 percent chance of rain. Lows in the mid 30s. Northwest winds 15 to 20 mph with gusts up to 30 mph.
Friday...Partly sunny. A slight chance of rain and freezing rain in the morning. Highs in the mid 40s. Northwest winds 15 to 20 mph. Chance of precipitation 20 percent.
Friday Night...Partly cloudy. Lows in the lower 30s. Northwest winds 10 to 15 mph with gusts up to 25 mph.
Saturday...Mostly sunny. Highs in the upper 40s. West winds 5 to 10 mph with gusts up to 20 mph.
Saturday Night...Rain. Lows around 40. Temperature rising into the upper 40s after midnight. Southwest winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 90 percent.
Sunday...Rain. Highs in the mid 50s. Temperature falling into the upper 40s in the afternoon. Chance of rain 80 percent.
Sunday Night...Partly cloudy with a 40 percent chance of rain. Breezy with lows in the mid 30s.
Monday...Mostly sunny and brisk, cooler with highs in the mid 40s.
Monday Night...Mostly clear. Lows in the mid 30s.
Tuesday...Partly cloudy. Highs in the upper 40s. Lows in the mid 30s.
Wednesday...Partly cloudy. Highs in the upper 40s. Lows in the mid 30s.
Thursday...Partly sunny. Highs around 50.
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