Upton, MA Weather & Growing Conditions
Today
76°F
Sunny
Sunny. High near 76, with temperatures falling to around 66 in the afternoon. Southwest wind 8 to 12 mph, with gusts as high as 22 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 76°F | Sunny | 8 to 12 mph SW | 3% |
| Tonight | 57°F | Partly Cloudy | 8 mph SW | 2% |
| Thursday | 73°F | Mostly Cloudy | 7 to 10 mph SW | 11% |
| Thursday Night | 61°F | Chance Light Rain | 5 to 8 mph SW | 52% |
| Friday | 70°F | Light Rain | 5 mph S | 90% |
| Friday Night | 55°F | Light Rain | 3 mph SW | 93% |
| Saturday | 65°F | Light Rain Likely | 6 mph N | 57% |
| Saturday Night | 43°F | Slight Chance Light Rain | 7 mph NW | 23% |
| Sunday | 58°F | Slight Chance Light Rain then Mostly Sunny | 8 mph W | 20% |
| Sunday Night | 36°F | Partly Cloudy | 6 mph W | 6% |
| Monday | 55°F | Mostly Sunny then Slight Chance Light Rain | 6 to 10 mph W | 15% |
| Monday Night | 34°F | Mostly Clear | 7 mph W | 13% |
| Tuesday | 58°F | Mostly Sunny | 9 mph SW | 5% |
| Tuesday Night | 34°F | Mostly Clear | 7 mph W | 5% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Upton, MA
Last spring frost
Apr 30
First fall frost
Oct 9
Growing season
162 days
Hardiness zone
6b
Explore more for Upton, MA: full frost dates · planting calendar · Massachusetts frost dates
Climate data from the nearest NOAA station, West Medway, Ma (9.4 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.