Marine Weather Net

Hyannis, MA Weather Forecast


Marine Forecast: Nantucket Sound


Hyannis, Massachusetts

 Lat: 41.65N, Lon: 70.28W

Current Conditions Updated: 656 PM EDT TUE OCT 6 2026

Clear


Temp: 54°F
  • Humidity:
  • 52%
  • Winds:
  • 6 MPH WNW
  • Gusts:
  • N/A MPH
  • Barometer:
  • 29.98 in.
  • Dewpoint:
  • 37°F
  • Heat index:
  • 54°F

  • Sunrise:
  • 6:40 AM EDT
  • Sunset:
  • 6:14 PM EDT
  • Moonrise:
  • 2:05 AM EDT
  • Moonset:
  • 4:20 PM EDT

TONIGHT

CLEAR

Lo: 40°F

WEDNESDAY

SUNNY

Hi: 65°F
Lo: 55°F

THURSDAY

SUNNY

Hi: 69°F
Lo: 51°F

SATURDAY

SUNNY

Hi: 61°F
Lo: 55°F
Weather Forecast In Detail:
Forecast Issued: 314 PM EDT Tue Oct 06 2026

Tonight...Clear. Lows around 40. Northwest winds 5 to 10 mph. Gusts up to 25 mph this evening.
Wednesday...Sunny. Highs in the mid 60s. Southwest winds 10 to 15 mph. Gusts up to 20 mph, increasing to 30 mph in the afternoon.
Wednesday Night...Mostly clear in the evening, then becoming partly cloudy. Not as cool with lows in the mid 50s. Southwest winds 10 to 15 mph with gusts up to 30 mph.
Thursday...Sunny. Highs in the upper 60s. Southwest winds 10 to 15 mph with gusts up to 25 mph.
Thursday Night...Mostly clear. Lows in the mid 50s. West winds 5 to 10 mph. Gusts up to 20 mph in the evening.
Friday And Friday Night...Mostly clear. Highs in the mid 60s. Lows in the lower 50s.
Saturday...Sunny. Highs in the lower 60s.
Saturday Night...Mostly clear. Lows in the mid 50s.
Sunday...Mostly sunny. Highs in the mid 60s.
Sunday Night...Mostly cloudy with a 30 percent chance of showers. Lows in the upper 50s.
Columbus Day...Partly sunny with a 50 percent chance of showers. Highs in the mid 60s.
Monday Night...Mostly cloudy with a 30 percent chance of showers. Lows in the upper 50s.
Tuesday...Partly sunny. Highs in the mid 60s.
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