Elroy, WI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Elroy, a city in Juneau County, Wisconsin.
Today
80°F
Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms
A slight chance of rain showers between 11am and 1pm, then a slight chance of showers and thunderstorms. Partly sunny. High near 80, with temperatures falling to around 77 in the afternoon. Southwest wind 6 to 12 mph, with gusts as high as 21 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Elroy
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 80°F | Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms | 6 to 12 mph SW | 24% |
| Tonight | 59°F | Chance Showers And Thunderstorms then Showers And Thunderstorms | 1 to 6 mph NW | 78% |
| Wednesday | 78°F | Partly Sunny | 3 mph NW | 9% |
| Wednesday Night | 53°F | Partly Cloudy | 0 to 3 mph SW | 2% |
| Thursday | 82°F | Sunny | 0 to 3 mph S | 2% |
| Thursday Night | 57°F | Mostly Clear | 0 to 3 mph SW | 0% |
| Friday | 84°F | Sunny | 1 to 9 mph SW | 4% |
| Friday Night | 62°F | Mostly Clear | 3 to 9 mph SW | 11% |
| Saturday | 85°F | Mostly Sunny | 3 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) for Elroy (43.742, -90.270). Updated through the day.
Growing snapshot for Elroy
Last spring frost
May 5
First fall frost
Oct 4
Growing season
153 days
Hardiness zone
5a
More local growing data for Elroy: nearby ZIP 53929 weather · frost dates · planting calendar · Wisconsin frost dates
Nearby towns & communities
Camp Douglas
Hillsboro
Hustler
Lyndon Station
Mauston
Necedah
New Lisbon
Oakdale
Union Center
Wonewoc
Wyeville
Climate data from the nearest NOAA station, Hillsboro, Wi (7.4 mi from Elroy). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.