Marine Weather Net

Siasconset, MA Weather Forecast




Siasconset, Massachusetts

 Lat: 41.26N, Lon: 69.97W

Current Conditions Updated: 1253 PM EDT MON MAY 18 2026

Clear


Temp: 63°F
  • Humidity:
  • 67%
  • Winds:
  • 15 MPH SE
  • Gusts:
  • N/A MPH
  • Barometer:
  • 30.21 in.
  • Dewpoint:
  • 52°F
  • Heat index:
  • 63°F

  • Sunrise:
  • 5:17 AM EDT
  • Sunset:
  • 7:53 PM EDT
  • Moonrise:
  • 6:21 AM EDT
  • Moonset:
  • 10:45 PM EDT

THIS AFTERNOON

MOSTLY SUNNY
Lo: 59°F

TUESDAY

PARTLY SUNNY
Hi: 71°F
Lo: 59°F

WEDNESDAY

SUNNY

Hi: 70°F
Lo: 55°F

THURSDAY

PARTLY SUNNY
Hi: 65°F
Lo: 55°F
Precip: 30%
Weather Forecast In Detail:
Forecast Issued: 103 PM EDT Mon May 18 2026

This Afternoon...Mostly sunny. Near steady temperature in the lower 60s. South winds around 10 mph.
Tonight...Mostly cloudy. Patchy fog. Lows in the upper 50s. Southwest winds 10 to 15 mph.
Tuesday...Partly sunny. Patchy fog in the morning. Highs in the lower 70s. Southwest winds 15 to 20 mph with gusts up to 30 mph.
Tuesday Night...Mostly cloudy. Patchy fog. Lows in the upper 50s. Southwest winds 15 to 20 mph with gusts up to 30 mph.
Wednesday...Sunny. Highs around 70. Southwest winds 15 to 20 mph with gusts up to 30 mph.
Wednesday Night...Mostly cloudy with a 50 percent chance of showers. Lows in the mid 50s.
Thursday...Partly sunny with a 30 percent chance of showers. Highs in the mid 60s.
Thursday Night...Mostly cloudy. Near steady temperature in the mid 50s.
Friday...Mostly sunny. Highs around 60.
Friday Night...Mostly cloudy with a 50 percent chance of showers. Lows in the lower 50s.
Saturday...Showers likely. Highs in the lower 60s. Chance of rain 70 percent.
Saturday Night...Showers likely. Lows in the lower 50s. Chance of rain 70 percent.
Sunday...Showers likely. Highs in the lower 60s. Chance of rain 70 percent.
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