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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
70°F
Light Rain Likely
Rain likely and a slight chance of thunderstorms. Cloudy, with a high near 70. South wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch possible.

7-day forecast for Black Earth

WhenTempForecastWindPrecip
This Afternoon 70°F Light Rain Likely 15 mph S 69%
Tonight 55°F Light Rain 10 to 15 mph S 90%
Wednesday 59°F Light Rain 10 to 15 mph SW 75%
Wednesday Night 46°F Light Rain Likely 10 to 15 mph SW 67%
Thursday 53°F Light Rain 5 to 10 mph W 82%
Thursday Night 38°F Slight Chance Light Rain then Mostly Cloudy 10 mph N 24%
Friday 49°F Slight Chance Light Rain then Partly Sunny 5 to 10 mph N 15%
Friday Night 31°F Partly Cloudy 0 to 5 mph N 1%
Saturday 52°F Mostly Sunny 0 to 5 mph W 1%
Saturday Night 33°F Partly Cloudy 0 to 5 mph W 4%
Sunday 59°F Slight Chance Light Rain 5 to 10 mph W 17%
Sunday Night 34°F Mostly Clear 0 to 5 mph W 4%
Monday 60°F Sunny 5 to 10 mph SW 1%
Monday Night 38°F Mostly Clear 5 to 10 mph W 1%

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

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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 Nov 4, 2026.