Northborough, MA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Northborough, a community in Worcester County, Massachusetts.
This Afternoon
73°F
Mostly Cloudy
Mostly cloudy. High near 73, with temperatures falling to around 63 in the afternoon. Southwest wind around 5 mph.
7-day forecast for Northborough
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 73°F | Mostly Cloudy | 5 mph SW | 2% |
| Tonight | 51°F | Mostly Cloudy | 5 mph SW | 3% |
| Wednesday | 76°F | Mostly Sunny | 5 to 9 mph SW | 4% |
| Wednesday Night | 55°F | Partly Cloudy | 7 mph SW | 2% |
| Thursday | 74°F | Mostly Cloudy then Slight Chance Light Rain | 7 to 10 mph SW | 20% |
| Thursday Night | 61°F | Light Rain Likely | 5 to 8 mph SW | 61% |
| Friday | 69°F | Rain | 5 mph S | 85% |
| Friday Night | 55°F | Rain | 5 mph SW | 85% |
| Saturday | 64°F | Light Rain Likely | 7 mph NW | 69% |
| Saturday Night | 43°F | Chance Light Rain | 6 mph NW | 44% |
| Sunday | 59°F | Slight Chance Light Rain then Mostly Sunny | 8 mph W | 23% |
| Sunday Night | 37°F | Partly Cloudy | 5 mph W | 9% |
| Monday | 57°F | Slight Chance Light Rain | 6 to 10 mph W | 20% |
| Monday Night | 36°F | Slight Chance Light Rain | 8 mph W | 20% |
Forecast source: National Weather Service (api.weather.gov) for Northborough (42.312, -71.648). Updated through the day.
Growing snapshot for Northborough
Last spring frost
Apr 23
First fall frost
Oct 21
Growing season
181 days
Hardiness zone
6b
More local growing data for Northborough: nearby ZIP 01532 weather · frost dates · planting calendar · Massachusetts frost dates
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Climate data from the nearest NOAA station, Worcester Rgnl Ap, Ma (12.2 mi from Northborough). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.