South Duxbury, MA Weather & Growing Conditions
Today
73°F
Sunny
Sunny. High near 73, with temperatures falling to around 64 in the afternoon. Southwest wind 7 to 10 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 73°F | Sunny | 7 to 10 mph SW | 3% |
| Tonight | 58°F | Partly Cloudy | 8 mph SW | 2% |
| Thursday | 73°F | Mostly Cloudy | 7 to 12 mph SW | 3% |
| Thursday Night | 62°F | Light Rain Likely | 8 mph SW | 60% |
| Friday | 68°F | Light Rain | 8 mph S | 98% |
| Friday Night | 57°F | Rain | 6 mph S | 98% |
| Saturday | 63°F | Light Rain Likely | 5 to 8 mph S | 74% |
| Saturday Night | 44°F | Slight Chance Light Rain | 5 to 8 mph NW | 23% |
| Sunday | 59°F | Slight Chance Light Rain then Mostly Sunny | 5 to 9 mph W | 19% |
| Sunday Night | 38°F | Partly Cloudy | 7 mph W | 8% |
| Monday | 57°F | Slight Chance Light Rain | 7 to 12 mph W | 22% |
| Monday Night | 35°F | Slight Chance Light Rain then Partly Cloudy | 8 mph W | 18% |
| Tuesday | 57°F | Sunny | 8 to 12 mph SW | 6% |
| Tuesday Night | 35°F | Mostly Clear | 8 mph W | 4% |
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 Nov 4, 2026.