South Duxbury, MA Weather & Growing Conditions
Today
83°F
Sunny
Sunny, with a high near 83. Southwest wind around 6 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 83°F | Sunny | 6 mph SW | 0% |
| Tonight | 62°F | Partly Cloudy | 2 to 6 mph SW | 7% |
| Wednesday | 82°F | Mostly Sunny | 2 to 7 mph SW | 8% |
| Wednesday Night | 67°F | Partly Cloudy | 3 to 7 mph SW | 7% |
| Thursday | 86°F | Mostly Sunny | 5 to 9 mph SW | 11% |
| Thursday Night | 71°F | Partly Cloudy | 5 to 9 mph SW | 11% |
| Friday | 89°F | Mostly Sunny then Slight Chance Rain Showers | 5 to 9 mph SW | 16% |
| Friday Night | 70°F | Slight Chance Rain Showers then Partly Cloudy | 3 to 7 mph SW | 22% |
| Saturday | 86°F | Mostly Sunny then Chance Rain Showers | 6 mph SW | 32% |
| Saturday Night | 70°F | Chance Rain Showers | 5 mph SW | 44% |
| Sunday | 87°F | Mostly Sunny | 3 to 7 mph SW | 12% |
| Sunday Night | 70°F | Slight Chance Rain Showers then Partly Cloudy | 7 mph SW | 15% |
| Monday | 88°F | Sunny | 5 to 9 mph SW | 10% |
| Monday Night | 69°F | Partly Cloudy | 7 mph SW | 13% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for South Duxbury, MA
Last spring frost
Apr 15
First fall frost
Nov 1
Growing season
198 days
Hardiness zone
7a
Explore more for South Duxbury, MA: full frost dates · planting calendar · Massachusetts frost dates
Climate data from the nearest NOAA station, Plymouth-Kingston, Ma (4.3 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.