Green Harbor, MA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Green Harbor, a community in Plymouth County, Massachusetts.
Overnight
53°F
Partly Cloudy
Partly cloudy, with a low around 53. Southwest wind around 10 mph.
7-day forecast for Green Harbor
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 53°F | Partly Cloudy | 10 mph SW | 4% |
| Wednesday | 70°F | Sunny | 10 to 14 mph SW | 6% |
| Wednesday Night | 56°F | Partly Cloudy | 9 to 13 mph SW | 3% |
| Thursday | 69°F | Partly Sunny | 9 to 16 mph SW | 8% |
| Thursday Night | 62°F | Mostly Cloudy then Light Rain Likely | 13 mph SW | 62% |
| Friday | 66°F | Rain | 12 mph S | 90% |
| Friday Night | 58°F | Rain | 9 mph S | 90% |
| Saturday | 61°F | Light Rain | 13 mph W | 80% |
| Saturday Night | 49°F | Chance Light Rain | 12 mph NW | 50% |
| Sunday | 57°F | Chance Light Rain | 7 to 13 mph W | 26% |
| Sunday Night | 45°F | Partly Cloudy | 10 mph W | 11% |
| Monday | 56°F | Slight Chance Light Rain | 12 to 15 mph W | 24% |
| Monday Night | 43°F | Chance Light Rain | 13 to 17 mph W | 25% |
| Tuesday | 56°F | Mostly Sunny | 18 mph W | 13% |
Forecast source: National Weather Service (api.weather.gov) for Green Harbor (42.066, -70.649). Updated through the day.
Growing snapshot for Green Harbor
Last spring frost
Apr 15
First fall frost
Nov 1
Growing season
198 days
Hardiness zone
7a
More local growing data for Green Harbor: 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 Green Harbor). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.