Westfield, MA Weather & Growing Conditions
Tonight
46°F
Mostly Cloudy
Mostly cloudy, with a low around 46. South wind around 3 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 46°F | Mostly Cloudy | 3 mph S | 3% |
| Wednesday | 75°F | Sunny | 1 to 9 mph S | 3% |
| Wednesday Night | 54°F | Partly Cloudy | 6 mph S | 2% |
| Thursday | 71°F | Chance Light Rain | 3 to 9 mph S | 54% |
| Thursday Night | 60°F | Light Rain Likely | 1 to 7 mph S | 70% |
| Friday | 68°F | Light Rain | 3 mph S | 76% |
| Friday Night | 53°F | Rain | 3 mph NW | 76% |
| Saturday | 64°F | Light Rain Likely | 7 mph NW | 57% |
| Saturday Night | 42°F | Chance Light Rain | 8 mph NW | 35% |
| Sunday | 58°F | Slight Chance Light Rain then Mostly Sunny | 6 to 10 mph W | 23% |
| Sunday Night | 36°F | Partly Cloudy | 5 mph W | 9% |
| Monday | 57°F | Slight Chance Light Rain | 5 to 13 mph NW | 22% |
| Monday Night | 34°F | Slight Chance Light Rain | 8 mph W | 21% |
| Tuesday | 58°F | Mostly Sunny | 6 to 14 mph W | 11% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Westfield, MA
Last spring frost
May 3
First fall frost
Oct 8
Growing season
158 days
Hardiness zone
6a
Explore more for Westfield, MA: full frost dates · planting calendar · Massachusetts frost dates
Climate data from the nearest NOAA station, Westfield Barnes Muni Ap, Ma (2.9 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.