Elroy, WI Weather & Growing Conditions
Tonight
53°F
Showers And Thunderstorms
Showers and thunderstorms. Some of the storms could produce heavy rain. Cloudy, with a low around 53. East wind 8 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New rainfall amounts between 2 and 3 inches possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 53°F | Showers And Thunderstorms | 8 to 14 mph E | 97% |
| Saturday | 65°F | Showers And Thunderstorms | 7 to 12 mph E | 79% |
| Saturday Night | 52°F | Showers And Thunderstorms Likely | 7 to 12 mph NE | 73% |
| Sunday | 67°F | Slight Chance Rain Showers | 9 to 13 mph NE | 17% |
| Sunday Night | 46°F | Mostly Cloudy | 10 mph NE | 5% |
| Monday | 62°F | Slight Chance Rain Showers | 8 to 12 mph NE | 19% |
| Monday Night | 43°F | Chance Rain Showers | 3 to 9 mph NE | 27% |
| Tuesday | 61°F | Chance Rain Showers then Partly Sunny | 5 to 9 mph NE | 27% |
| Tuesday Night | 42°F | Partly Cloudy | 1 to 6 mph NE | 4% |
| Wednesday | 65°F | Mostly Sunny | 1 to 6 mph NE | 3% |
| Wednesday Night | 45°F | Partly Cloudy | 2 mph NE | 2% |
| Thursday | 69°F | Mostly Sunny | 0 to 3 mph NE | 7% |
| Thursday Night | 47°F | Partly Cloudy | 1 mph NE | 7% |
| Friday | 70°F | Mostly Sunny | 0 to 3 mph NE | 5% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Elroy, WI
Last spring frost
May 5
First fall frost
Oct 4
Growing season
153 days
Hardiness zone
5a
Explore more for Elroy, WI: full frost dates · planting calendar · Wisconsin frost dates
Climate data from the nearest NOAA station, Hillsboro, Wi (7.4 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.