Shullsburg, WI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Shullsburg, a city in Lafayette County, Wisconsin.
This Afternoon
67°F
Light Rain
Rain and a slight chance of thunderstorms. Cloudy, with a high near 67. South wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Shullsburg
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 67°F | Light Rain | 15 mph S | 84% |
| Tonight | 54°F | Light Rain | 10 to 15 mph S | 81% |
| Wednesday | 57°F | Light Rain Likely | 10 to 15 mph SW | 67% |
| Wednesday Night | 47°F | Chance Light Rain | 15 mph SW | 35% |
| Thursday | 52°F | Light Rain Likely | 5 to 15 mph W | 64% |
| Thursday Night | 42°F | Slight Chance Light Rain then Mostly Cloudy | 10 mph N | 22% |
| Friday | 48°F | Partly Sunny | 5 to 10 mph N | 10% |
| Friday Night | 33°F | Partly Cloudy | 0 to 5 mph N | 0% |
| Saturday | 51°F | Mostly Sunny | 0 to 5 mph W | 2% |
| Saturday Night | 36°F | Partly Cloudy | 0 to 5 mph W | 4% |
| Sunday | 57°F | Mostly Sunny | 5 to 10 mph W | 12% |
| Sunday Night | 37°F | Mostly Clear | 5 mph W | 3% |
| Monday | 59°F | Sunny | 5 to 10 mph SW | 1% |
| Monday Night | 41°F | Mostly Clear | 5 to 10 mph W | 0% |
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 Nov 4, 2026.