Black Earth, WI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Black Earth, a village in Dane County, Wisconsin.
Today
71°F
Chance Showers And Thunderstorms then Showers And Thunderstorms
A chance of showers and thunderstorms before 11am, then showers and thunderstorms. Cloudy, with a high near 71. Southeast wind around 5 mph. Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.
7-day forecast for Black Earth
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 71°F | Chance Showers And Thunderstorms then Showers And Thunderstorms | 5 mph SE | 78% |
| Tonight | 57°F | Showers And Thunderstorms | 5 to 10 mph NE | 76% |
| Sunday | 66°F | Chance Rain Showers then Cloudy | 10 to 15 mph NE | 46% |
| Sunday Night | 50°F | Mostly Cloudy | 10 to 15 mph NE | 9% |
| Monday | 63°F | Mostly Cloudy | 10 to 15 mph NE | 12% |
| Monday Night | 47°F | Mostly Cloudy | 5 to 10 mph NE | 9% |
| Tuesday | 63°F | Partly Sunny | 5 to 10 mph NE | 9% |
| Tuesday Night | 45°F | Partly Cloudy | 5 to 10 mph NE | 3% |
| Wednesday | 66°F | Mostly Sunny | 5 to 10 mph NE | 2% |
| Wednesday Night | 48°F | Partly Cloudy | 0 to 5 mph NE | 1% |
| Thursday | 68°F | Mostly Sunny | 0 to 5 mph NE | 3% |
| Thursday Night | 49°F | Partly Cloudy | 0 to 5 mph NE | 3% |
| Friday | 71°F | Mostly Sunny | 0 to 5 mph NE | 3% |
| Friday Night | 49°F | Partly Cloudy | 0 to 5 mph E | 2% |
Forecast source: National Weather Service (api.weather.gov) for Black Earth (43.135, -89.747). Updated through the day.
Growing snapshot for Black Earth
Last spring frost
May 7
First fall frost
Oct 1
Growing season
148 days
Hardiness zone
5a
More local growing data for Black Earth: nearby ZIP 53515 weather · frost dates · planting calendar · Wisconsin frost dates
Nearby towns & communities
Belleville
Blue Mounds
Cambridge
Cottage Grove
Cross Plains
Dane
Deerfield
DeForest
Fitchburg
Lake Ripley
Madison
Maple Bluff
Marshall
Mazomanie
McFarland
Middleton
Monona
Mount Horeb
Oregon
Rockdale
Shorewood Hills
Stoughton
Sun Prairie
Verona
Waunakee
Windsor
Climate data from the nearest NOAA station, Mazomanie Wwtp, Wi (5.6 mi from Black Earth). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.