Edgerton, WI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Edgerton, a city in Rock County, Wisconsin.
This Afternoon
68°F
Light Rain
Rain and a slight chance of thunderstorms. Cloudy, with a high near 68. South wind around 15 mph, with gusts as high as 35 mph. Chance of precipitation is 100%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Edgerton
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 68°F | Light Rain | 15 mph S | 97% |
| Tonight | 56°F | Light Rain | 15 mph S | 90% |
| Wednesday | 61°F | Light Rain | 10 to 15 mph SW | 76% |
| Wednesday Night | 45°F | Chance Light Rain | 10 to 15 mph SW | 45% |
| Thursday | 54°F | Light Rain Likely | 10 to 15 mph W | 71% |
| Thursday Night | 39°F | Chance Light Rain | 10 to 15 mph NW | 39% |
| Friday | 48°F | Slight Chance Light Rain then Mostly Cloudy | 10 to 15 mph N | 17% |
| Friday Night | 32°F | Partly Cloudy | 0 to 5 mph N | 1% |
| Saturday | 51°F | Mostly Sunny | 0 to 5 mph W | 4% |
| Saturday Night | 33°F | Partly Cloudy | 0 to 5 mph W | 7% |
| Sunday | 57°F | Slight Chance Light Rain | 5 to 10 mph W | 17% |
| Sunday Night | 34°F | Mostly Clear | 5 to 10 mph W | 5% |
| Monday | 59°F | Sunny | 5 to 15 mph SW | 1% |
| Monday Night | 38°F | Mostly Clear | 5 to 10 mph W | 1% |
Forecast source: National Weather Service (api.weather.gov) for Edgerton (42.839, -89.070). Updated through the day.
Growing snapshot for Edgerton
Last spring frost
Apr 30
First fall frost
Oct 11
Growing season
163 days
Hardiness zone
5b
More local growing data for Edgerton: nearby ZIP 53534 weather · frost dates · planting calendar · Wisconsin frost dates
Nearby towns & communities
Brodhead
Clinton
Evansville
Footville
Fulton
Hanover
Janesville
Lake Koshkonong
Milton
Orfordville
Shopiere
Climate data from the nearest NOAA station, Stoughton, Wi (7 mi from Edgerton). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 3, 2026.