Northborough, MA Weather & Growing Conditions
Tonight
47°F
Partly Cloudy
Partly cloudy, with a low around 47. North wind around 6 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 47°F | Partly Cloudy | 6 mph N | 0% |
| Saturday | 65°F | Sunny | 1 to 5 mph NE | 0% |
| Saturday Night | 43°F | Partly Cloudy | 3 mph SE | 1% |
| Sunday | 64°F | Rain Showers | 1 to 5 mph SE | 83% |
| Sunday Night | 53°F | Rain Showers | 2 to 7 mph NE | 83% |
| Monday | 65°F | Chance Rain Showers then Partly Sunny | 8 mph NE | 26% |
| Monday Night | 49°F | Partly Cloudy | 2 to 7 mph NE | 6% |
| Tuesday | 61°F | Mostly Cloudy | 9 mph NE | 6% |
| Tuesday Night | 47°F | Mostly Cloudy | 5 to 9 mph NE | 3% |
| Wednesday | 61°F | Partly Sunny | 12 mph NE | 7% |
| Wednesday Night | 47°F | Mostly Cloudy then Slight Chance Rain Showers | 6 to 9 mph NE | 20% |
| Thursday | 60°F | Chance Rain Showers | 10 mph NE | 28% |
| Thursday Night | 49°F | Chance Rain Showers | 6 to 9 mph NE | 36% |
| Friday | 64°F | Chance Rain Showers | 9 mph N | 33% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Northborough, MA
Last spring frost
Apr 23
First fall frost
Oct 21
Growing season
181 days
Hardiness zone
6b
Explore more for Northborough, MA: full frost dates · planting calendar · Massachusetts frost dates
Climate data from the nearest NOAA station, Worcester Rgnl Ap, Ma (12.2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.