Elroy, WI Weather & Growing Conditions
Today
80°F
Chance Rain Showers then Slight Chance Showers And Thunderstorms
A chance of rain showers between 9am and 1pm, then a slight chance of showers and thunderstorms. Mostly cloudy. High near 80, with temperatures falling to around 77 in the afternoon. Southwest wind 6 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 80°F | Chance Rain Showers then Slight Chance Showers And Thunderstorms | 6 to 10 mph SW | 35% |
| Tonight | 59°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 1 to 5 mph NW | 58% |
| Wednesday | 78°F | Partly Sunny | 3 mph NW | 8% |
| Wednesday Night | 54°F | Partly Cloudy | 0 to 3 mph SW | 2% |
| Thursday | 82°F | Sunny | 0 to 3 mph S | 1% |
| Thursday Night | 57°F | Mostly Clear | 3 mph SW | 0% |
| Friday | 84°F | Sunny | 2 to 9 mph SW | 4% |
| Friday Night | 62°F | Mostly Clear | 3 to 9 mph SW | 11% |
| Saturday | 85°F | Mostly Sunny | 5 to 8 mph SW | 11% |
| Saturday Night | 66°F | Partly Cloudy then Chance Rain Showers | 3 to 8 mph SW | 33% |
| Sunday | 86°F | Chance Rain Showers | 5 to 9 mph W | 33% |
| Sunday Night | 64°F | Chance Showers And Thunderstorms | 1 to 7 mph SW | 45% |
| Monday | 83°F | Chance Rain Showers then Slight Chance Showers And Thunderstorms | 2 to 6 mph S | 45% |
| Monday Night | 64°F | Chance Showers And Thunderstorms | 1 to 6 mph N | 30% |
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 Aug 4, 2026.