Elroy, WI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Elroy, a city in Juneau County, Wisconsin.
Tonight
55°F
Rain Showers
Rain showers. Cloudy. Low around 55, with temperatures rising to around 58 overnight. South wind 3 to 9 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Elroy
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 55°F | Rain Showers | 3 to 9 mph S | 89% |
| Wednesday | 58°F | Rain Showers Likely | 8 to 13 mph S | 63% |
| Wednesday Night | 43°F | Rain Showers | 9 to 13 mph SW | 86% |
| Thursday | 53°F | Rain Showers | 10 mph NW | 75% |
| Thursday Night | 35°F | Slight Chance Rain Showers then Mostly Cloudy | 10 mph N | 19% |
| Friday | 48°F | Partly Sunny | 2 to 9 mph N | 5% |
| Friday Night | 28°F | Partly Cloudy | 0 mph | 1% |
| Saturday | 52°F | Mostly Sunny | 0 to 5 mph W | 1% |
| Saturday Night | 31°F | Partly Cloudy | 2 mph W | 7% |
| Sunday | 58°F | Slight Chance Rain Showers | 2 to 8 mph W | 17% |
| Sunday Night | 32°F | Mostly Clear | 3 mph W | 3% |
| Monday | 61°F | Mostly Sunny | 3 to 12 mph SW | 1% |
| Monday Night | 37°F | Partly Cloudy | 6 mph W | 1% |
| Tuesday | 60°F | Sunny | 3 to 8 mph W | 1% |
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 Nov 4, 2026.