Elroy, WI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Elroy, a city in Juneau County, Wisconsin.
This Afternoon
66°F
Showers And Thunderstorms Likely
A chance of rain showers before 4pm, then showers and thunderstorms likely. Mostly cloudy. High near 66, with temperatures falling to around 64 in the afternoon. East wind 7 to 12 mph, with gusts as high as 21 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Elroy
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 66°F | Showers And Thunderstorms Likely | 7 to 12 mph E | 64% |
| Tonight | 53°F | Showers And Thunderstorms | 8 to 13 mph E | 89% |
| Saturday | 68°F | Showers And Thunderstorms Likely | 8 mph E | 67% |
| Saturday Night | 52°F | Showers And Thunderstorms Likely | 6 to 9 mph NE | 74% |
| Sunday | 67°F | Slight Chance Rain Showers | 13 mph NE | 17% |
| Sunday Night | 46°F | Mostly Cloudy | 12 mph NE | 5% |
| Monday | 62°F | Slight Chance Rain Showers | 8 to 12 mph NE | 20% |
| Monday Night | 43°F | Chance Rain Showers | 3 to 10 mph NE | 27% |
| Tuesday | 61°F | Chance Rain Showers then Partly Sunny | 5 to 9 mph NE | 27% |
| Tuesday Night | 42°F | Partly Cloudy | 0 to 6 mph NE | 4% |
| Wednesday | 66°F | Mostly Sunny | 1 to 6 mph NE | 3% |
| Wednesday Night | 45°F | Partly Cloudy | 2 mph NE | 2% |
| Thursday | 69°F | Mostly Sunny | 2 mph NE | 7% |
| Thursday Night | 47°F | Partly Cloudy | 1 mph NE | 7% |
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 Sep 18, 2026.