Westfield, WI Weather & Growing Conditions
Overnight
55°F
Showers And Thunderstorms
Showers and thunderstorms. Some of the storms could produce heavy rain. Cloudy, with a low around 55. East wind around 10 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 55°F | Showers And Thunderstorms | 10 mph E | 98% |
| Saturday | 63°F | Showers And Thunderstorms | 5 to 10 mph E | 94% |
| Saturday Night | 52°F | Chance Showers And Thunderstorms | 5 to 10 mph NE | 70% |
| Sunday | 66°F | Isolated Rain Showers then Mostly Sunny | 10 to 15 mph NE | 24% |
| Sunday Night | 44°F | Mostly Cloudy | 10 mph NE | 2% |
| Monday | 61°F | Mostly Cloudy | 10 mph NE | 3% |
| Monday Night | 42°F | Mostly Cloudy | 5 to 10 mph NE | 4% |
| Tuesday | 61°F | Mostly Sunny | 5 to 10 mph NE | 4% |
| Tuesday Night | 41°F | Mostly Clear | 5 mph NE | 3% |
| Wednesday | 64°F | Mostly Sunny | 5 to 10 mph NE | 2% |
| Wednesday Night | 43°F | Partly Cloudy | 0 to 5 mph NE | 1% |
| Thursday | 66°F | Mostly Sunny | 0 to 5 mph NE | 3% |
| Thursday Night | 44°F | Partly Cloudy | 0 to 5 mph NE | 3% |
| Friday | 70°F | Mostly Sunny | 0 to 5 mph NE | 3% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Westfield, WI
Last spring frost
May 3
First fall frost
Oct 5
Growing season
153 days
Hardiness zone
5a
Explore more for Westfield, WI: full frost dates · planting calendar · Wisconsin frost dates
Climate data from the nearest NOAA station, Montello, Wi (13.3 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.