Edgerton, WI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Edgerton, a city in Rock County, Wisconsin.
Overnight
62°F
Showers And Thunderstorms
Showers and thunderstorms. Some of the storms could produce heavy rain. Cloudy, with a low around 62. East wind 10 to 15 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.
7-day forecast for Edgerton
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 62°F | Showers And Thunderstorms | 10 to 15 mph E | 100% |
| Saturday | 71°F | Showers And Thunderstorms | 5 to 15 mph SE | 100% |
| Saturday Night | 59°F | Showers And Thunderstorms | 5 to 10 mph NE | 78% |
| Sunday | 66°F | Scattered Rain Showers | 15 mph NE | 38% |
| Sunday Night | 52°F | Mostly Cloudy | 15 mph NE | 14% |
| Monday | 63°F | Slight Chance Rain Showers | 10 to 15 mph NE | 16% |
| Monday Night | 47°F | Mostly Cloudy | 5 to 15 mph NE | 14% |
| Tuesday | 61°F | Partly Sunny | 10 to 15 mph NE | 10% |
| Tuesday Night | 46°F | Partly Cloudy | 5 to 10 mph NE | 4% |
| Wednesday | 64°F | Mostly Sunny | 5 to 10 mph NE | 3% |
| Wednesday Night | 48°F | Partly Cloudy | 0 to 10 mph NE | 1% |
| Thursday | 67°F | Mostly Sunny | 5 to 10 mph NE | 4% |
| Thursday Night | 49°F | Partly Cloudy | 0 to 5 mph NE | 4% |
| Friday | 70°F | Mostly Sunny | 0 to 10 mph NE | 3% |
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 Sep 19, 2026.