Elroy, WI Weather & Growing Conditions
This Afternoon
68°F
Rain Showers Likely
Rain showers likely. Cloudy. High near 68, with temperatures falling to around 66 in the afternoon. South wind around 13 mph, with gusts as high as 24 mph. Chance of precipitation is 70%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 68°F | Rain Showers Likely | 13 mph S | 70% |
| Tonight | 55°F | Rain Showers | 12 mph S | 95% |
| Wednesday | 58°F | Rain Showers Likely | 8 to 14 mph S | 65% |
| Wednesday Night | 43°F | Rain Showers | 9 to 13 mph SW | 87% |
| 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 | 0 to 3 mph W | 7% |
| Sunday | 58°F | Slight Chance Rain Showers | 3 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% |
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 Nov 4, 2026.