Marine Weather Net

Hyannis, MA Weather Forecast


Marine Forecast: Nantucket Sound


Hyannis, Massachusetts

 Lat: 41.65N, Lon: 70.28W

Current Conditions Updated: 235 AM EST SUN JAN 11 2026

Light Rain
Temp: 47°F
  • Humidity:
  • 100%
  • Winds:
  • 8 MPH S
  • Gusts:
  • N/A MPH
  • Barometer:
  • 29.64 in.
  • Dewpoint:
  • 47°F
  • Heat index:
  • 47°F

  • Sunrise:
  • 7:06 AM EST
  • Sunset:
  • 4:29 PM EST
  • Moonrise:
  • 12:46 AM EST
  • Moonset:
  • 11:12 AM EST

TONIGHT

RAIN
Lo: 40°F
Precip: 90%

SUNDAY

CHANCE OF RAIN
Hi: 41°F
Lo: 25°F
Precip: 50%

MONDAY

MOSTLY SUNNY
Hi: 39°F
Lo: 30°F

TUESDAY

SUNNY

Hi: 41°F
Lo: 35°F
Weather Forecast In Detail:
Forecast Issued: 105 AM EST Sun Jan 11 2026

Rest Of Tonight...Rain. Patchy fog. Near steady temperature around 40. Southwest winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 90 percent.
Sunday...Cloudy with a 50 percent chance of rain. Patchy fog. Highs in the lower 40s. West winds 10 to 15 mph. Gusts up to 25 mph in the afternoon.
Sunday Night...Partly cloudy and blustery, cooler with lows in the mid 20s. West winds 15 to 25 mph with gusts up to 40 mph.
Monday...Mostly sunny and blustery. Highs in the upper 30s. West winds 15 to 25 mph with gusts up to 40 mph, diminishing to 10 to 15 mph with gusts up to 30 mph in the afternoon.
Monday Night...Partly cloudy. Near steady temperature in the lower 30s. West winds 10 to 15 mph.
Tuesday...Sunny. Highs in the lower 40s.
Tuesday Night...Mostly cloudy. Lows in the mid 30s.
Wednesday...Cloudy. Highs in the mid 40s.
Wednesday Night...Cloudy with a 40 percent chance of rain. Lows in the lower 30s.
Thursday...Mostly cloudy with a 40 percent chance of rain. Highs around 40.
Thursday Night...Mostly cloudy with a 40 percent chance of snow. Lows in the mid 20s.
Friday...Partly sunny with a 30 percent chance of snow. Highs in the lower 30s.
Friday Night And Saturday...Partly cloudy. Lows in the mid 20s. Highs in the upper 30s.
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