Milton, WI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Milton, a city in Rock County, Wisconsin.
This Afternoon
67°F
Rain Showers
Rain showers. Cloudy, with a high near 67. South wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Milton
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 67°F | Rain Showers | 15 mph S | 83% |
| Tonight | 57°F | Rain Showers | 15 mph S | 85% |
| Wednesday | 61°F | Rain Showers | 15 mph SW | 78% |
| Wednesday Night | 46°F | Chance Rain Showers then Chance Light Rain | 10 to 15 mph SW | 40% |
| Thursday | 54°F | Light Rain Likely | 10 to 15 mph W | 68% |
| Thursday Night | 39°F | Chance Light Rain | 10 to 15 mph NW | 44% |
| Friday | 48°F | Slight Chance Light Rain then Partly Sunny | 10 to 15 mph N | 17% |
| Friday Night | 32°F | Partly Cloudy | 0 to 10 mph N | 2% |
| Saturday | 51°F | Mostly Sunny | 0 to 5 mph W | 5% |
| Saturday Night | 33°F | Partly Cloudy | 0 to 5 mph SW | 7% |
| Sunday | 57°F | Slight Chance Light Rain | 5 to 10 mph W | 17% |
| Sunday Night | 34°F | Mostly Clear | 5 mph W | 5% |
| Monday | 59°F | Sunny | 5 to 15 mph SW | 1% |
| Monday Night | 38°F | Mostly Clear | 5 to 10 mph W | 1% |
Forecast source: National Weather Service (api.weather.gov) for Milton (42.775, -88.940). Updated through the day.
Growing snapshot for Milton
Last spring frost
Apr 28
First fall frost
Oct 13
Growing season
166 days
Hardiness zone
5b
More local growing data for Milton: nearby ZIP 53563 weather · frost dates · planting calendar · Wisconsin frost dates
Nearby towns & communities
Brodhead
Clinton
Edgerton
Evansville
Footville
Fulton
Hanover
Janesville
Lake Koshkonong
Orfordville
Shopiere
Climate data from the nearest NOAA station, Ft Atkinson, Wi (9.4 mi from Milton). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.