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South Duxbury, MA Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for South Duxbury, a community in Plymouth County, Massachusetts.

Today
81°F
Sunny
Sunny, with a high near 81. Southwest wind 3 to 7 mph.

7-day forecast for South Duxbury

WhenTempForecastWindPrecip
Today 81°F Sunny 3 to 7 mph SW 0%
Tonight 64°F Partly Cloudy 3 to 7 mph SW 7%
Wednesday 80°F Mostly Sunny 2 to 9 mph SW 8%
Wednesday Night 68°F Partly Cloudy 5 to 8 mph SW 6%
Thursday 84°F Mostly Sunny 5 to 12 mph SW 11%
Thursday Night 73°F Partly Cloudy 7 to 12 mph SW 10%
Friday 85°F Mostly Sunny then Slight Chance Rain Showers 7 to 12 mph SW 15%
Friday Night 72°F Slight Chance Rain Showers then Partly Cloudy 5 to 10 mph SW 20%
Saturday 82°F Mostly Sunny then Chance Rain Showers 7 mph SW 32%
Saturday Night 72°F Chance Rain Showers 6 mph SW 43%
Sunday 83°F Mostly Sunny 5 to 9 mph SW 11%
Sunday Night 72°F Partly Cloudy 6 to 9 mph SW 14%
Monday 84°F Mostly Sunny 6 to 10 mph SW 10%
Monday Night 70°F Partly Cloudy 10 mph SW 13%

Forecast source: National Weather Service (api.weather.gov) for South Duxbury (42.018, -70.690). Updated through the day.

Growing snapshot for South Duxbury

Last spring frost
Apr 15
First fall frost
Nov 1
Growing season
198 days
Hardiness zone
7a

More local growing data for South Duxbury: nearby ZIP 02332 weather · frost dates · planting calendar · Massachusetts frost dates

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Climate data from the nearest NOAA station, Plymouth-Kingston, Ma (4.3 mi from South Duxbury). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.