Hopkinton, MA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Hopkinton, a community in Middlesex County, Massachusetts.
Today
83°F
Sunny
Sunny, with a high near 83. West wind around 5 mph.
7-day forecast for Hopkinton
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 83°F | Sunny | 5 mph W | 0% |
| Tonight | 60°F | Partly Cloudy | 5 mph SW | 2% |
| Wednesday | 83°F | Mostly Sunny | 2 to 6 mph W | 3% |
| Wednesday Night | 66°F | Partly Cloudy | 5 mph SW | 6% |
| Thursday | 86°F | Mostly Sunny then Chance Rain Showers | 7 mph SW | 26% |
| Thursday Night | 70°F | Chance Rain Showers then Partly Cloudy | 7 mph SW | 34% |
| Friday | 87°F | Mostly Sunny then Slight Chance Rain Showers | 7 mph SW | 23% |
| Friday Night | 70°F | Chance Rain Showers then Partly Cloudy | 6 mph W | 32% |
| Saturday | 85°F | Mostly Sunny then Chance Rain Showers | 6 mph W | 32% |
| Saturday Night | 69°F | Chance Showers And Thunderstorms | 6 mph W | 44% |
| Sunday | 86°F | Mostly Sunny | 3 to 7 mph W | 12% |
| Sunday Night | 69°F | Slight Chance Rain Showers then Mostly Clear | 6 mph SW | 15% |
| Monday | 87°F | Sunny | 5 to 8 mph W | 10% |
| Monday Night | 68°F | Mostly Clear | 8 mph W | 12% |
Forecast source: National Weather Service (api.weather.gov) for Hopkinton (42.226, -71.524). Updated through the day.
Growing snapshot for Hopkinton
Last spring frost
Apr 30
First fall frost
Oct 9
Growing season
162 days
Hardiness zone
6b
More local growing data for Hopkinton: nearby ZIP 01748 weather · frost dates · planting calendar · Massachusetts frost dates
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Climate data from the nearest NOAA station, West Medway, Ma (8.3 mi from Hopkinton). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.