Winthrop Town, MA Weather & Growing Conditions
Today
81°F
Sunny
Sunny, with a high near 81. Southwest wind around 7 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 81°F | Sunny | 7 mph SW | 0% |
| Tonight | 66°F | Partly Cloudy | 6 mph SW | 2% |
| Wednesday | 80°F | Mostly Sunny | 3 to 7 mph SW | 2% |
| Wednesday Night | 69°F | Partly Cloudy | 7 mph SW | 4% |
| Thursday | 84°F | Mostly Sunny | 8 mph SW | 14% |
| Thursday Night | 72°F | Slight Chance Rain Showers then Partly Cloudy | 9 mph SW | 18% |
| Friday | 83°F | Sunny then Slight Chance Rain Showers | 9 mph SW | 21% |
| Friday Night | 72°F | Chance Rain Showers then Partly Cloudy | 6 to 9 mph W | 29% |
| Saturday | 81°F | Mostly Sunny then Chance Rain Showers | 7 mph SW | 31% |
| Saturday Night | 71°F | Chance Rain Showers then Mostly Cloudy | 7 mph SW | 43% |
| Sunday | 81°F | Mostly Sunny | 6 to 9 mph SW | 10% |
| Sunday Night | 72°F | Mostly Clear | 9 mph SW | 12% |
| Monday | 82°F | Sunny | 7 to 13 mph SW | 8% |
| Monday Night | 71°F | Mostly Clear | 13 mph W | 11% |
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 Aug 4, 2026.