Marine Weather Net

Hyannis, MA Weather Forecast


Marine Forecast: Nantucket Sound


Hyannis, Massachusetts

 Lat: 41.65N, Lon: 70.28W

Current Conditions Updated: 1156 PM EDT SUN APR 5 2026

Fair
Temp: 47°F
  • Humidity:
  • 79%
  • Winds:
  • 8 MPH NW
  • Gusts:
  • N/A MPH
  • Barometer:
  • 29.77 in.
  • Dewpoint:
  • 41°F
  • Heat index:
  • 47°F

  • Sunrise:
  • 6:14 AM EDT
  • Sunset:
  • 7:10 PM EDT
  • Moonrise:
  • N/A EDT
  • Moonset:
  • 8:10 AM EDT

TONIGHT

CHANCE OF RAIN
Lo: 39°F
Precip: 20%

MONDAY

MOSTLY SUNNY
Hi: 49°F
Lo: 31°F

TUESDAY

PARTLY SUNNY
Hi: 49°F
Lo: 35°F
Precip: 50%

THURSDAY

SUNNY

Hi: 45°F
Lo: 40°F
Weather Forecast In Detail:
Forecast Issued: 1002 PM EDT Sun Apr 05 2026

Overnight...Mostly cloudy. A slight chance of rain. Areas of fog. Lows in the upper 30s. West winds 10 to 15 mph with gusts up to 30 mph. Chance of rain 20 percent.
Monday...Mostly sunny. Highs in the upper 40s. West winds 15 to 20 mph with gusts up to 30 mph.
Monday Night...Partly cloudy. Lows in the lower 30s. West winds 10 to 15 mph.
Tuesday...Partly sunny with a 50 percent chance of rain. Highs in the upper 40s. West winds 5 to 10 mph. Gusts up to 20 mph in the afternoon.
Tuesday Night...Partly cloudy with a 40 percent chance of rain. Lows in the lower 30s. Northwest winds 5 to 10 mph with gusts up to 20 mph.
Wednesday And Wednesday Night...Clear. Highs in the lower 40s. Lows in the mid 30s.
Thursday...Sunny. Highs in the mid 40s.
Thursday Night...Partly cloudy. Lows around 40. Highs in the mid 50s.
Friday...Partly cloudy. Lows around 40. Highs in the mid 50s.
Saturday...Partly sunny. Highs in the mid 50s.
Saturday Night And Sunday...Partly cloudy. Lows in the lower 40s. Highs in the lower 50s.
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