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
65°F
Rain Showers
Rain showers. Cloudy. High near 65, with temperatures falling to around 62 in the afternoon. East wind around 9 mph. Chance of precipitation is 80%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Brothertown
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 65°F | Rain Showers | 9 mph E | 83% |
| Tonight | 59°F | Rain Showers | 10 to 21 mph E | 97% |
| Saturday | 65°F | Showers And Thunderstorms | 13 to 21 mph E | 96% |
| Saturday Night | 57°F | Rain Showers | 13 to 18 mph NE | 76% |
| Sunday | 65°F | Chance Rain Showers then Partly Sunny | 20 mph NE | 30% |
| Sunday Night | 54°F | Mostly Cloudy | 15 to 23 mph NE | 1% |
| Monday | 60°F | Mostly Cloudy | 17 mph ENE | 6% |
| Monday Night | 51°F | Mostly Cloudy | 12 to 16 mph NE | 9% |
| Tuesday | 59°F | Partly Sunny | 12 to 16 mph ENE | 8% |
| Tuesday Night | 51°F | Partly Cloudy | 8 to 12 mph NE | 7% |
| Wednesday | 63°F | Mostly Sunny | 8 to 12 mph NE | 7% |
| Wednesday Night | 53°F | Partly Cloudy | 8 mph NE | 3% |
| Thursday | 67°F | Mostly Sunny | 7 mph NNE | 3% |
| Thursday Night | 55°F | Partly Cloudy | 5 mph NE | 4% |
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
Nearby towns & communities
Alto
Brandon
Campbellsport
Eden
Fairwater
Fond du Lac
Mount Calvary
North Fond du Lac
Oakfield
Ripon
Rosendale
St. Cloud
St. Peter
Taycheedah
Van Dyne
Waupun
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 Sep 19, 2026.