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Brothertown, WI Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Brothertown, a community in Fond Du Lac County, Wisconsin.

This Afternoon
67°F
Chance Rain Showers
A chance of rain showers. Cloudy, with a high near 67. South wind around 15 mph, with gusts as high as 24 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.

7-day forecast for Brothertown

WhenTempForecastWindPrecip
This Afternoon 67°F Chance Rain Showers 15 mph S 37%
Tonight 59°F Rain Showers 15 mph SSE 90%
Wednesday 63°F Rain Showers 14 to 17 mph S 86%
Wednesday Night 49°F Rain Showers Likely 20 mph SW 59%
Thursday 53°F Rain Showers 10 to 16 mph W 85%
Thursday Night 40°F Chance Rain Showers 15 to 20 mph N 47%
Friday 46°F Slight Chance Rain Showers then Partly Sunny 12 to 20 mph N 21%
Friday Night 35°F Partly Cloudy 6 to 10 mph NNW 3%
Saturday 49°F Mostly Sunny 6 mph W 2%
Saturday Night 38°F Partly Cloudy 5 to 10 mph WSW 10%
Sunday 54°F Slight Chance Rain Showers 13 mph W 16%
Sunday Night 40°F Mostly Clear 12 mph W 5%
Monday 56°F Mostly Sunny 10 to 15 mph SW 2%
Monday Night 43°F Partly Cloudy 16 mph W 1%

Forecast source: National Weather Service (api.weather.gov) for Brothertown (43.975, -88.317). Updated through the day.

Growing snapshot for Brothertown

Last spring frost
May 1
First fall frost
Oct 12
Growing season
162 days
Hardiness zone
5b

More local growing data for Brothertown: nearby ZIP 53049 weather · frost dates · planting calendar · Wisconsin frost dates

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Climate data from the nearest NOAA station, Fond Du Lac Wwtp, Wi (10.3 mi from Brothertown). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.