Winchester, MA Weather & Growing Conditions
Overnight
53°F
Partly Cloudy
Partly cloudy, with a low around 53. Southwest wind around 6 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 53°F | Partly Cloudy | 6 mph SW | 2% |
| Wednesday | 77°F | Sunny | 6 to 10 mph SW | 3% |
| Wednesday Night | 58°F | Partly Cloudy | 8 mph SW | 2% |
| Thursday | 75°F | Mostly Cloudy | 7 to 13 mph SW | 8% |
| Thursday Night | 62°F | Mostly Cloudy then Chance Light Rain | 5 to 9 mph SW | 40% |
| Friday | 71°F | Light Rain | 6 mph S | 90% |
| Friday Night | 56°F | Light Rain | 3 mph S | 95% |
| Saturday | 65°F | Light Rain Likely | 6 mph N | 68% |
| Saturday Night | 46°F | Chance Light Rain | 5 to 8 mph NW | 26% |
| Sunday | 59°F | Slight Chance Light Rain then Mostly Sunny | 9 mph W | 23% |
| Sunday Night | 39°F | Partly Cloudy | 6 mph W | 6% |
| Monday | 56°F | Sunny then Slight Chance Light Rain | 7 to 12 mph W | 17% |
| Monday Night | 38°F | Slight Chance Light Rain then Partly Cloudy | 8 mph W | 15% |
| Tuesday | 59°F | Mostly Sunny | 8 to 12 mph SW | 7% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Winchester, MA
Last spring frost
Apr 25
First fall frost
Oct 17
Growing season
174 days
Hardiness zone
6b
Explore more for Winchester, MA: full frost dates · planting calendar · Massachusetts frost dates
Climate data from the nearest NOAA station, Reading, Ma (5 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.