Marine Weather Net

Osterville, MA Weather Forecast


Marine Forecast: Nantucket Sound


Osterville, Massachusetts

 Lat: 41.63N, Lon: 70.39W

Current Conditions Updated: 645 PM EDT WED OCT 22 2025

Clear


Temp: 57°F
  • Humidity:
  • 67%
  • Winds:
  • 9 MPH SW
  • Gusts:
  • N/A MPH
  • Barometer:
  • 29.76 in.
  • Dewpoint:
  • 46°F
  • Heat index:
  • 57°F

  • Sunrise:
  • 6:59 AM EDT
  • Sunset:
  • 5:49 PM EDT
  • Moonrise:
  • 8:13 AM EDT
  • Moonset:
  • 6:02 PM EDT

TONIGHT

MOSTLY CLEAR
Lo: 51°F

THURSDAY

SUNNY

Hi: 60°F
Lo: 49°F

FRIDAY

SUNNY

Hi: 59°F
Lo: 41°F
Precip: 30%

SUNDAY

PARTLY SUNNY
Hi: 51°F
Lo: 45°F
Precip: 40%
Weather Forecast In Detail:
Forecast Issued: 402 PM EDT Wed Oct 22 2025

Tonight...Mostly clear. Lows in the lower 50s. Southwest winds 10 to 15 mph with gusts up to 25 mph.
Thursday...Sunny. Highs around 60. Southwest winds 10 to 15 mph with gusts up to 25 mph.
Thursday Night...Partly cloudy. Lows in the upper 40s. West winds 10 to 15 mph. Gusts up to 25 mph in the evening.
Friday...Sunny with a 30 percent chance of showers. Highs in the upper 50s. West winds 5 to 10 mph.
Friday Night...Mostly cloudy with a 50 percent chance of showers. Lows in the mid 40s. Northwest winds 5 to 10 mph.
Saturday And Saturday Night...Partly cloudy. Highs in the mid 50s. Lows in the lower 40s.
Sunday...Partly sunny with a 40 percent chance of showers. Highs in the lower 50s.
Sunday Night...Mostly cloudy with a 50 percent chance of showers. Lows in the mid 40s. Highs in the mid 50s.
Monday...Mostly cloudy with a 50 percent chance of showers. Lows in the mid 40s. Highs in the mid 50s.
Tuesday...Mostly cloudy with a 50 percent chance of showers. Lows in the mid 40s. Highs in the mid 50s.
Tuesday Night And Wednesday...Mostly cloudy. A 40 percent chance of showers. Lows in the mid 40s. Highs in the mid 50s.
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