Butte des Morts, WI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Butte des Morts, a community in Winnebago County, Wisconsin.
Today
82°F
Partly Sunny then Slight Chance Showers And Thunderstorms
A slight chance of rain showers between noon and 1pm, then a slight chance of showers and thunderstorms between 1pm and 2pm, then a chance of showers and thunderstorms between 2pm and 4pm, then a chance of showers and thunderstorms. Partly sunny. High near 82, with temperatures falling to around 79 in the afternoon. Heat index values as high as 85. Southwest wind 9 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Butte des Morts
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 82°F | Partly Sunny then Slight Chance Showers And Thunderstorms | 9 to 14 mph SW | 28% |
| Tonight | 63°F | Chance Showers And Thunderstorms | 5 to 8 mph WNW | 55% |
| Wednesday | 77°F | Partly Sunny then Slight Chance Rain Showers | 5 mph WSW | 18% |
| Wednesday Night | 58°F | Slight Chance Rain Showers | 5 mph SW | 11% |
| Thursday | 80°F | Sunny | 5 mph SW | 3% |
| Thursday Night | 61°F | Mostly Clear | 6 mph SSW | 1% |
| Friday | 83°F | Sunny | 5 to 12 mph SW | 2% |
| Friday Night | 65°F | Mostly Clear | 10 mph SSW | 12% |
| Saturday | 84°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 7 to 10 mph SW | 15% |
| Saturday Night | 67°F | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms | 6 to 10 mph SSW | 37% |
| Sunday | 84°F | Chance Showers And Thunderstorms | 7 to 10 mph WSW | 37% |
| Sunday Night | 65°F | Chance Showers And Thunderstorms | 6 to 9 mph WSW | 48% |
| Monday | 81°F | Chance Rain Showers | 7 mph SSW | 35% |
| Monday Night | 64°F | Chance Showers And Thunderstorms | 7 mph NNE | 41% |
Forecast source: National Weather Service (api.weather.gov) for Butte des Morts (44.106, -88.657). Updated through the day.
Growing snapshot for Butte des Morts
Last spring frost
Apr 24
First fall frost
Oct 20
Growing season
178 days
Hardiness zone
5b
More local growing data for Butte des Morts: nearby ZIP 54927 weather · frost dates · planting calendar · Wisconsin frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Oshkosh, Wi (7.5 mi from Butte des Morts). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.