Milton, WI Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Milton, a city in Rock County, Wisconsin.

This Afternoon

69°F

Chance Rain Showers

A chance of rain showers. Mostly cloudy, with a high near 69. East wind around 15 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.

7-day forecast for Milton

When	Temp	Forecast	Wind	Precip
This Afternoon	69°F	Chance Rain Showers	15 mph E	53%
Tonight	60°F	Chance Showers And Thunderstorms	10 mph E	92%
Saturday	72°F	Showers And Thunderstorms	5 to 15 mph SE	93%
Saturday Night	59°F	Showers And Thunderstorms	5 to 10 mph NE	78%
Sunday	66°F	Chance Rain Showers	15 mph NE	52%
Sunday Night	53°F	Chance Rain Showers then Mostly Cloudy	10 to 15 mph NE	35%
Monday	62°F	Chance Rain Showers	15 mph NE	27%
Monday Night	48°F	Chance Rain Showers	10 to 15 mph NE	27%
Tuesday	61°F	Slight Chance Rain Showers then Mostly Cloudy	10 to 15 mph NE	17%
Tuesday Night	47°F	Mostly Cloudy	5 to 10 mph NE	8%
Wednesday	64°F	Mostly Sunny	5 to 10 mph NE	6%
Wednesday Night	48°F	Partly Cloudy	0 to 5 mph NE	2%
Thursday	66°F	Partly Sunny	5 mph NE	6%
Thursday Night	50°F	Partly Cloudy	0 to 5 mph NE	5%

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

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

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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 Sep 19, 2026.