Winthrop Town, MA Weather & Growing Conditions
Today
74°F
Sunny
Sunny, with a high near 74. Southwest wind around 12 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 74°F | Sunny | 12 mph SW | 3% |
| Tonight | 59°F | Partly Cloudy | 10 mph SW | 2% |
| Thursday | 72°F | Partly Sunny | 8 to 14 mph SW | 5% |
| Thursday Night | 62°F | Mostly Cloudy then Chance Light Rain | 7 to 12 mph SW | 44% |
| Friday | 68°F | Light Rain | 7 mph S | 93% |
| Friday Night | 57°F | Rain | 7 mph S | 97% |
| Saturday | 62°F | Light Rain Likely | 8 mph NE | 69% |
| Saturday Night | 51°F | Chance Light Rain | 7 to 13 mph NW | 26% |
| Sunday | 57°F | Slight Chance Light Rain then Mostly Sunny | 9 to 13 mph W | 22% |
| Sunday Night | 47°F | Partly Cloudy | 10 mph W | 7% |
| Monday | 55°F | Mostly Sunny then Slight Chance Light Rain | 12 to 16 mph W | 19% |
| Monday Night | 45°F | Slight Chance Light Rain then Partly Cloudy | 13 mph W | 16% |
| Tuesday | 56°F | Mostly Sunny | 15 mph SW | 6% |
| Tuesday Night | 46°F | Partly Cloudy | 14 mph W | 6% |
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.