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
82°F
Partly Sunny then Chance Showers And Thunderstorms
A chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 82. Southwest wind around 10 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Black Earth
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 82°F | Partly Sunny then Chance Showers And Thunderstorms | 10 mph SW | 32% |
| Tonight | 61°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 0 to 5 mph W | 76% |
| Wednesday | 76°F | Areas Of Fog then Partly Sunny | 0 to 5 mph NW | 42% |
| Wednesday Night | 55°F | Slight Chance Rain Showers | 0 mph | 15% |
| Thursday | 79°F | Sunny | 0 mph | 3% |
| Thursday Night | 58°F | Mostly Clear | 0 mph | 2% |
| Friday | 82°F | Sunny | 0 to 10 mph SW | 2% |
| Friday Night | 63°F | Mostly Clear | 5 mph S | 6% |
| Saturday | 85°F | Mostly Sunny | 5 to 10 mph SW | 11% |
| Saturday Night | 68°F | Chance Showers And Thunderstorms | 5 to 10 mph SW | 28% |
| Sunday | 86°F | Chance Showers And Thunderstorms | 5 to 10 mph SW | 28% |
| Sunday Night | 67°F | Chance Showers And Thunderstorms | 5 to 10 mph SW | 50% |
| Monday | 84°F | Chance Rain Showers then Slight Chance Showers And Thunderstorms | 5 to 10 mph S | 50% |
| Monday Night | 66°F | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms | 5 to 10 mph N | 41% |
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 Aug 4, 2026.