Winthrop Town, MA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Winthrop Town, a city in Suffolk County, Massachusetts.
Overnight
55°F
Mostly Cloudy
Mostly cloudy, with a low around 55. North wind around 9 mph, with gusts as high as 21 mph.
7-day forecast for Winthrop Town
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 55°F | Mostly Cloudy | 9 mph N | 0% |
| Saturday | 62°F | Mostly Sunny | 8 mph NE | 0% |
| Saturday Night | 51°F | Partly Cloudy | 2 to 7 mph S | 0% |
| Sunday | 63°F | Mostly Cloudy then Rain Showers | 3 to 9 mph SE | 82% |
| Sunday Night | 58°F | Rain Showers | 6 to 10 mph E | 85% |
| Monday | 62°F | Chance Rain Showers then Partly Sunny | 10 to 14 mph NE | 37% |
| Monday Night | 54°F | Partly Cloudy | 7 to 15 mph NE | 8% |
| Tuesday | 58°F | Partly Sunny | 15 to 20 mph NE | 6% |
| Tuesday Night | 56°F | Mostly Cloudy | 13 to 18 mph NE | 3% |
| Wednesday | 58°F | Partly Sunny | 18 to 25 mph NE | 6% |
| Wednesday Night | 56°F | Mostly Cloudy then Slight Chance Rain Showers | 16 to 22 mph NE | 16% |
| Thursday | 57°F | Chance Rain Showers | 18 to 26 mph NE | 29% |
| Thursday Night | 56°F | Chance Rain Showers | 13 to 23 mph NE | 40% |
| Friday | 61°F | Chance Rain Showers | 14 to 20 mph N | 39% |
Forecast source: National Weather Service (api.weather.gov) for Winthrop Town (42.376, -70.971). Updated through the day.
Growing snapshot for Winthrop Town
Last spring frost
Apr 4
First fall frost
Nov 9
Growing season
218 days
Hardiness zone
7a
More local growing data for Winthrop Town: nearby ZIP 02152 weather · frost dates · planting calendar · Massachusetts frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Boston Logan Intl Ap, Ma (2.1 mi from Winthrop Town). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.