South Ashburnham, MA Weather & Growing Conditions
Today
64°F
Mostly Sunny
Mostly sunny, with a high near 64. East wind around 2 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 64°F | Mostly Sunny | 2 mph E | 0% |
| Tonight | 42°F | Partly Cloudy | 2 mph S | 0% |
| Sunday | 55°F | Rain Showers | 2 to 6 mph SE | 89% |
| Sunday Night | 44°F | Rain Showers | 2 to 7 mph NE | 82% |
| Monday | 62°F | Partly Sunny | 8 mph N | 6% |
| Monday Night | 41°F | Mostly Cloudy | 2 to 6 mph N | 0% |
| Tuesday | 57°F | Partly Sunny | 8 mph NE | 1% |
| Tuesday Night | 40°F | Mostly Cloudy | 2 to 7 mph NE | 1% |
| Wednesday | 58°F | Partly Sunny | 8 to 14 mph NE | 2% |
| Wednesday Night | 40°F | Mostly Cloudy then Slight Chance Rain Showers | 5 to 10 mph NE | 18% |
| Thursday | 57°F | Chance Rain Showers | 13 mph NE | 32% |
| Thursday Night | 41°F | Chance Rain Showers | 8 to 14 mph NE | 34% |
| Friday | 59°F | Chance Rain Showers | 14 mph NE | 34% |
| Friday Night | 42°F | Chance Rain Showers | 9 to 15 mph NE | 34% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for South Ashburnham, MA
Last spring frost
May 5
First fall frost
Oct 7
Growing season
152 days
Hardiness zone
6a
Explore more for South Ashburnham, MA: full frost dates · planting calendar · Massachusetts frost dates
Climate data from the nearest NOAA station, Ashburnham N, Ma (1.1 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.