Black Earth, WI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Black Earth, a village in Dane County, Wisconsin.
This Afternoon
68°F
Showers And Thunderstorms
Showers and thunderstorms before 4pm, then a chance of showers and thunderstorms. Some of the storms could produce heavy rain. Cloudy, with a high near 68. Southeast wind 0 to 5 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
7-day forecast for Black Earth
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 68°F | Showers And Thunderstorms | 0 to 5 mph SE | 99% |
| Tonight | 59°F | Chance Showers And Thunderstorms then Showers And Thunderstorms | 5 to 10 mph NE | 75% |
| Sunday | 66°F | Scattered Rain Showers then Mostly Cloudy | 10 to 15 mph NE | 30% |
| Sunday Night | 51°F | Mostly Cloudy | 10 to 15 mph NE | 3% |
| Monday | 64°F | Mostly Cloudy then Chance Rain Showers | 10 to 15 mph NE | 30% |
| Monday Night | 48°F | Chance Rain Showers | 5 to 10 mph NE | 34% |
| Tuesday | 63°F | Chance Rain Showers | 5 to 10 mph NE | 34% |
| Tuesday Night | 46°F | Partly Cloudy | 5 to 10 mph NE | 4% |
| Wednesday | 66°F | Mostly Sunny | 5 to 10 mph NE | 3% |
| Wednesday Night | 48°F | Partly Cloudy | 0 to 5 mph NE | 2% |
| Thursday | 69°F | Partly Sunny then Slight Chance Rain Showers | 0 to 5 mph NE | 15% |
| Thursday Night | 51°F | Slight Chance Rain Showers then Mostly Cloudy | 0 to 5 mph NE | 15% |
| Friday | 73°F | Partly Sunny | 0 to 5 mph NE | 5% |
| Friday Night | 51°F | Partly Cloudy | 0 mph | 5% |
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.