Millston, WI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Millston, a community in Jackson County, Wisconsin.
Overnight
51°F
Showers And Thunderstorms
Showers and thunderstorms. Cloudy. Low around 51, with temperatures rising to around 53 overnight. East wind around 13 mph, with gusts as high as 28 mph. Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.
7-day forecast for Millston
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 51°F | Showers And Thunderstorms | 13 mph E | 84% |
| Saturday | 61°F | Showers And Thunderstorms Likely | 7 to 12 mph E | 75% |
| Saturday Night | 50°F | Chance Showers And Thunderstorms then Cloudy | 9 mph NE | 51% |
| Sunday | 70°F | Partly Sunny | 9 to 13 mph NE | 2% |
| Sunday Night | 43°F | Mostly Cloudy | 5 to 10 mph NE | 2% |
| Monday | 64°F | Mostly Cloudy | 5 to 8 mph E | 4% |
| Monday Night | 41°F | Mostly Cloudy | 2 to 6 mph E | 5% |
| Tuesday | 64°F | Mostly Sunny | 3 to 7 mph E | 5% |
| Tuesday Night | 40°F | Mostly Clear | 0 to 5 mph E | 2% |
| Wednesday | 68°F | Sunny | 1 to 5 mph E | 0% |
| Wednesday Night | 42°F | Mostly Clear | 2 mph NE | 2% |
| Thursday | 69°F | Mostly Sunny | 2 mph E | 5% |
| Thursday Night | 44°F | Partly Cloudy | 1 mph NE | 3% |
| Friday | 72°F | Mostly Sunny | 2 mph E | 3% |
Forecast source: National Weather Service (api.weather.gov) for Millston (44.189, -90.646). Updated through the day.
Growing snapshot for Millston
Last spring frost
May 6
First fall frost
Oct 3
Growing season
148 days
Hardiness zone
4b
More local growing data for Millston: nearby ZIP 54643 weather · frost dates · planting calendar · Wisconsin frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Mather 3 Nw, Wi (14.1 mi from Millston). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.