Shullsburg, WI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Shullsburg, a city in Lafayette County, Wisconsin.
Today
82°F
Partly Sunny then Chance Showers And Thunderstorms
A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 82. Southwest wind 5 to 10 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Shullsburg
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 82°F | Partly Sunny then Chance Showers And Thunderstorms | 5 to 10 mph SW | 30% |
| Tonight | 61°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 5 mph NW | 85% |
| Wednesday | 74°F | Areas Of Fog | 5 mph N | 61% |
| Wednesday Night | 57°F | Chance Showers And Thunderstorms | 0 to 5 mph NW | 28% |
| Thursday | 77°F | Slight Chance Rain Showers then Mostly Sunny | 0 mph | 20% |
| Thursday Night | 59°F | Mostly Clear | 0 mph | 2% |
| Friday | 80°F | Sunny | 0 to 5 mph S | 5% |
| Friday Night | 64°F | Mostly Clear | 5 mph S | 6% |
| Saturday | 82°F | Mostly Sunny | 5 to 10 mph SW | 10% |
| Saturday Night | 69°F | Chance Showers And Thunderstorms | 5 to 10 mph S | 27% |
| Sunday | 84°F | Chance Showers And Thunderstorms | 10 mph SW | 27% |
| Sunday Night | 68°F | Chance Showers And Thunderstorms | 5 to 10 mph S | 43% |
| Monday | 82°F | Chance Rain Showers | 5 to 10 mph S | 43% |
| Monday Night | 68°F | Chance Showers And Thunderstorms | 10 mph NE | 41% |
Forecast source: National Weather Service (api.weather.gov) for Shullsburg (42.573, -90.235). Updated through the day.
Growing snapshot for Shullsburg
Last spring frost
May 3
First fall frost
Oct 4
Growing season
153 days
Hardiness zone
5a
More local growing data for Shullsburg: nearby ZIP 53586 weather · frost dates · planting calendar · Wisconsin frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Darlington Wwtp, Wi (9.5 mi from Shullsburg). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.