Shullsburg, WI Weather & Growing Conditions
Overnight
63°F
Showers And Thunderstorms
Showers and thunderstorms. Some of the storms could produce heavy rain. Cloudy, with a low around 63. East wind around 10 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 63°F | Showers And Thunderstorms | 10 mph E | 100% |
| Saturday | 72°F | Showers And Thunderstorms | 5 to 10 mph SE | 97% |
| Saturday Night | 60°F | Showers And Thunderstorms | 5 to 15 mph NE | 83% |
| Sunday | 65°F | Chance Rain Showers | 15 mph NE | 42% |
| Sunday Night | 54°F | Slight Chance Rain Showers | 15 mph NE | 24% |
| Monday | 62°F | Chance Rain Showers | 15 mph NE | 25% |
| Monday Night | 48°F | Slight Chance Rain Showers | 10 to 15 mph NE | 20% |
| Tuesday | 61°F | Slight Chance Rain Showers then Partly Sunny | 10 to 15 mph NE | 19% |
| Tuesday Night | 46°F | Partly Cloudy | 5 to 10 mph NE | 5% |
| Wednesday | 64°F | Mostly Sunny | 5 to 10 mph NE | 2% |
| Wednesday Night | 49°F | Partly Cloudy | 5 mph NE | 2% |
| Thursday | 66°F | Mostly Sunny | 5 mph NE | 5% |
| Thursday Night | 50°F | Partly Cloudy | 0 to 5 mph NE | 3% |
| Friday | 69°F | Mostly Sunny | 5 mph NE | 4% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Shullsburg, WI
Last spring frost
May 3
First fall frost
Oct 4
Growing season
153 days
Hardiness zone
5a
Explore more for Shullsburg, WI: full frost dates · planting calendar · Wisconsin frost dates
Climate data from the nearest NOAA station, Darlington Wwtp, Wi (9.5 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.