Marine Weather Net

Hyannis, MA Weather Forecast


Marine Forecast: Nantucket Sound


Hyannis, Massachusetts

 Lat: 41.65N, Lon: 70.28W

Current Conditions Updated: 856 AM EDT MON SEP 7 2026

Clear


Temp: 64°F
  • Humidity:
  • 69%
  • Winds:
  • 12 MPH NNW
  • Gusts:
  • 22 MPH
  • Barometer:
  • 30.03 in.
  • Dewpoint:
  • 54°F
  • Heat index:
  • 64°F

  • Sunrise:
  • 6:10 AM EDT
  • Sunset:
  • 7:04 PM EDT
  • Moonrise:
  • 1:44 AM EDT
  • Moonset:
  • 5:19 PM EDT

TODAY

SUNNY

Hi: 75°F
Lo: 61°F

TUESDAY

SUNNY

Hi: 75°F
Lo: 61°F

WEDNESDAY

PARTLY SUNNY
Hi: 75°F
Lo: 61°F

FRIDAY

MOSTLY CLEAR
Hi: 71°F
Lo: 61°F
Weather Forecast In Detail:
Forecast Issued: 704 AM EDT Mon Sep 07 2026

HIGH RIP CURRENT RISK IN EFFECT THROUGH THIS EVENING
Today...Sunny. Highs in the mid 70s. Northwest winds 5 to 10 mph. Gusts up to 20 mph this morning.
Tonight...Mostly clear. Lows in the lower 60s. West winds around 5 mph.
Tuesday...Sunny. Highs in the mid 70s. Northwest winds 5 to 10 mph.
Tuesday Night...Mostly cloudy. Lows in the lower 60s. South winds around 5 mph.
Wednesday...Partly sunny. Highs in the mid 70s. South winds 10 to 15 mph. Gusts up to 25 mph in the afternoon.
Wednesday Night And Thursday...Mostly cloudy. Lows in the upper 60s. Highs in the upper 70s.
Thursday Night...Mostly cloudy with a chance of showers. Lows in the lower 60s. Chance of rain 40 percent.
Friday...Mostly clear. Highs in the lower 70s. Lows in the lower 60s.
Saturday...Mostly clear. Highs in the lower 70s. Lows in the lower 60s.
Saturday Night And Sunday...Partly cloudy. Lows in the lower 60s. Highs in the mid 70s.
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