Winthrop Town, MA Weather & Growing Conditions
Tonight
55°F
Partly Cloudy
Partly cloudy, with a low around 55. Southwest wind around 8 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 55°F | Partly Cloudy | 8 mph SW | 4% |
| Wednesday | 74°F | Sunny | 7 to 13 mph SW | 5% |
| Wednesday Night | 58°F | Partly Cloudy | 10 mph SW | 3% |
| Thursday | 72°F | Partly Sunny | 8 to 13 mph SW | 13% |
| Thursday Night | 62°F | Mostly Cloudy then Light Rain Likely | 7 to 12 mph SW | 56% |
| Friday | 68°F | Rain | 8 mph S | 84% |
| Friday Night | 58°F | Rain | 9 mph S | 85% |
| Saturday | 61°F | Light Rain | 10 mph W | 76% |
| Saturday Night | 51°F | Chance Light Rain | 12 mph W | 49% |
| Sunday | 58°F | Chance Light Rain | 8 to 12 mph W | 25% |
| Sunday Night | 47°F | Partly Cloudy | 10 mph W | 11% |
| Monday | 56°F | Slight Chance Light Rain | 10 to 16 mph W | 21% |
| Monday Night | 46°F | Slight Chance Light Rain | 14 mph W | 21% |
| Tuesday | 56°F | Mostly Sunny | 17 mph W | 12% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Winthrop Town, MA
Last spring frost
Apr 4
First fall frost
Nov 9
Growing season
218 days
Hardiness zone
7a
Explore more for Winthrop Town, MA: full frost dates · planting calendar · Massachusetts frost dates
Climate data from the nearest NOAA station, Boston Logan Intl Ap, Ma (2.1 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.