Upton, MA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Upton, a community in Worcester County, Massachusetts.
Tonight
45°F
Partly Cloudy
Partly cloudy, with a low around 45. South wind 1 to 5 mph.
7-day forecast for Upton
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 45°F | Partly Cloudy | 1 to 5 mph S | 1% |
| Sunday | 60°F | Rain Showers | 1 to 6 mph SE | 100% |
| Sunday Night | 51°F | Rain Showers | 5 to 9 mph NE | 97% |
| Monday | 66°F | Patchy Fog then Partly Sunny | 6 to 9 mph NE | 14% |
| Monday Night | 46°F | Mostly Cloudy | 6 mph NE | 2% |
| Tuesday | 62°F | Partly Sunny | 8 mph NE | 3% |
| Tuesday Night | 46°F | Mostly Cloudy | 3 to 7 mph NE | 2% |
| Wednesday | 62°F | Partly Sunny | 7 to 12 mph NE | 2% |
| Wednesday Night | 46°F | Mostly Cloudy then Slight Chance Rain Showers | 6 to 9 mph NE | 16% |
| Thursday | 62°F | Chance Rain Showers | 8 to 12 mph NE | 25% |
| Thursday Night | 47°F | Chance Rain Showers | 9 to 13 mph NE | 36% |
| Friday | 62°F | Chance Rain Showers | 13 mph NE | 42% |
| Friday Night | 49°F | Chance Rain Showers | 10 to 14 mph N | 42% |
| Saturday | 65°F | Chance Rain Showers | 10 to 14 mph N | 38% |
Forecast source: National Weather Service (api.weather.gov) for Upton (42.182, -71.611). Updated through the day.
Growing snapshot for Upton
Last spring frost
Apr 30
First fall frost
Oct 9
Growing season
162 days
Hardiness zone
6b
More local growing data for Upton: nearby ZIP 01568 weather · frost dates · planting calendar · Massachusetts frost dates
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Climate data from the nearest NOAA station, West Medway, Ma (9.4 mi from Upton). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.