Marine Weather Net

Yarmouth Port, MA Weather Forecast


Marine Forecast: Cape Cod BayCape Cod Bay


Yarmouth Port, Massachusetts

 Lat: 41.70N, Lon: 70.25W

Current Conditions Updated: 1047 PM EDT FRI APR 3 2026

Mostly Cloudy
Temp: 51°F
  • Humidity:
  • 96%
  • Winds:
  • 22 MPH SW
  • Gusts:
  • 38 MPH
  • Barometer:
  • 30.06 in.
  • Dewpoint:
  • 50°F
  • Heat index:
  • 51°F

  • Sunrise:
  • 6:19 AM EDT
  • Sunset:
  • 7:07 PM EDT
  • Moonrise:
  • 9:10 PM EDT
  • Moonset:
  • 6:41 AM EDT

TONIGHT

MOSTLY CLOUDY
Lo: 49°F

SATURDAY

PARTLY SUNNY
Hi: 55°F
Lo: 37°F

SUNDAY

SHOWERS
Hi: 55°F
Lo: 39°F
Precip: 90%

MONDAY

SUNNY

Hi: 49°F
Lo: 35°F
Weather Forecast In Detail:
Forecast Issued: 1005 PM EDT Fri Apr 03 2026

Overnight...Mostly cloudy with patchy drizzle. Patchy fog. Visibility one quarter mile or less at Times. Near steady temperature in the upper 40s. Southwest winds 10 to 15 mph with gusts up to 30 mph.
Saturday...Partly sunny. Patchy drizzle in the morning. Patchy fog in the morning. Highs in the mid 50s. Temperature falling into the mid 40s in the afternoon. Northwest winds 5 to 10 mph, becoming northeast 10 to 15 mph in the afternoon. Gusts up to 25 mph.
Saturday Night...Cloudy. A chance of showers after midnight. Patchy fog after midnight. Lows in the upper 30s. East winds 5 to 10 mph with gusts up to 20 mph. Chance of rain 30 percent.
Sunday...Showers. Patchy fog. Highs in the mid 50s. South winds 15 to 20 mph with gusts up to 35 mph. Chance of rain 90 percent.
Sunday Night...Showers. Patchy fog. Lows in the upper 30s. Southwest winds 10 to 15 mph, becoming west 5 to 10 mph after midnight. Gusts up to 25 mph. Chance of rain 80 percent.
Monday...Sunny. Highs in the upper 40s.
Monday Night...Partly cloudy. Lows in the mid 30s.
Tuesday...Partly sunny with a chance of rain showers. Highs in the mid 40s. Chance of rain 30 percent.
Tuesday Night...Partly cloudy with a 30 percent chance of rain showers. Lows in the lower 30s.
Wednesday And Wednesday Night...Mostly clear. Highs in the lower 40s. Lows in the mid 30s.
Thursday...Partly cloudy. Highs in the lower 50s. Lows in the lower 40s.
Friday...Partly cloudy. Highs in the lower 50s. Lows in the lower 40s.
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