Wilton, WI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Wilton, a village in Monroe County, Wisconsin.
This Afternoon
68°F
Rain Showers
Rain showers. Cloudy. High near 68, with temperatures falling to around 66 in the afternoon. South wind around 14 mph, with gusts as high as 26 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Wilton
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 68°F | Rain Showers | 14 mph S | 81% |
| Tonight | 54°F | Rain Showers | 12 mph S | 90% |
| Wednesday | 58°F | Rain Showers | 8 to 14 mph S | 80% |
| Wednesday Night | 44°F | Rain Showers | 14 mph SW | 79% |
| Thursday | 51°F | Rain Showers | 12 mph NW | 76% |
| Thursday Night | 35°F | Slight Chance Rain Showers then Mostly Cloudy | 12 mph N | 17% |
| Friday | 50°F | Partly Sunny | 2 to 9 mph N | 3% |
| Friday Night | 28°F | Partly Cloudy | 1 mph N | 1% |
| Saturday | 53°F | Mostly Sunny | 0 to 5 mph W | 1% |
| Saturday Night | 32°F | Partly Cloudy | 2 mph W | 8% |
| Sunday | 58°F | Slight Chance Rain Showers | 2 to 8 mph W | 17% |
| Sunday Night | 33°F | Mostly Clear | 3 mph SW | 3% |
| Monday | 61°F | Mostly Sunny | 2 to 13 mph SW | 1% |
| Monday Night | 37°F | Partly Cloudy | 6 mph W | 1% |
Forecast source: National Weather Service (api.weather.gov) for Wilton (43.813, -90.527). Updated through the day.
Growing snapshot for Wilton
Last spring frost
May 5
First fall frost
Oct 4
Growing season
153 days
Hardiness zone
5a
More local growing data for Wilton: nearby ZIP 54670 weather · frost dates · planting calendar · Wisconsin frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Hillsboro, Wi (14.7 mi from Wilton). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 3, 2026.