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Yarmouth Port, MA Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Yarmouth Port, a community in Barnstable County, Massachusetts.

Today
81°F
Mostly Sunny
Mostly sunny, with a high near 81. Southwest wind 3 to 8 mph.

7-day forecast for Yarmouth Port

WhenTempForecastWindPrecip
Today 81°F Mostly Sunny 3 to 8 mph SW 0%
Tonight 66°F Mostly Cloudy then Slight Chance Rain Showers 2 to 7 mph SW 15%
Wednesday 81°F Slight Chance Rain Showers then Mostly Sunny 2 to 8 mph W 16%
Wednesday Night 69°F Mostly Cloudy 5 to 8 mph SW 4%
Thursday 84°F Mostly Sunny 5 to 12 mph SW 4%
Thursday Night 72°F Partly Cloudy 7 to 10 mph SW 2%
Friday 83°F Mostly Sunny 7 to 12 mph SW 4%
Friday Night 72°F Partly Cloudy 6 to 10 mph SW 9%
Saturday 82°F Mostly Sunny 6 to 9 mph SW 12%
Saturday Night 71°F Slight Chance Rain Showers then Partly Cloudy 5 to 9 mph SW 15%
Sunday 82°F Mostly Sunny 5 to 9 mph SW 11%
Sunday Night 71°F Partly Cloudy 6 to 9 mph SW 9%
Monday 82°F Mostly Sunny 6 to 12 mph SW 9%
Monday Night 70°F Partly Cloudy 12 mph SW 7%

Forecast source: National Weather Service (api.weather.gov) for Yarmouth Port (41.707, -70.221). Updated through the day.

Growing snapshot for Yarmouth Port

Last spring frost
Apr 22
First fall frost
Oct 28
Growing season
188 days
Hardiness zone
7a

More local growing data for Yarmouth Port: nearby ZIP 02675 weather · frost dates · planting calendar · Massachusetts frost dates

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Climate data from the nearest NOAA station, Hyannis Barnstable Muni Ap, Ma (3.5 mi from Yarmouth Port). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.