Ixonia, WI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Ixonia, a community in Jefferson County, Wisconsin.
Tonight
60°F
Showers And Thunderstorms
Showers and thunderstorms. Some of the storms could produce heavy rain. Cloudy, with a low around 60. East wind 10 to 15 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.
7-day forecast for Ixonia
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 60°F | Showers And Thunderstorms | 10 to 15 mph E | 97% |
| Saturday | 70°F | Showers And Thunderstorms | 5 to 10 mph SE | 99% |
| Saturday Night | 58°F | Showers And Thunderstorms | 5 to 10 mph NE | 75% |
| Sunday | 65°F | Chance Rain Showers | 10 to 15 mph NE | 34% |
| Sunday Night | 52°F | Mostly Cloudy | 10 to 15 mph NE | 5% |
| Monday | 63°F | Slight Chance Rain Showers | 10 to 15 mph NE | 15% |
| Monday Night | 48°F | Mostly Cloudy | 5 to 10 mph NE | 14% |
| Tuesday | 62°F | Partly Sunny | 10 to 15 mph NE | 14% |
| Tuesday Night | 47°F | Partly Cloudy | 5 to 10 mph NE | 7% |
| Wednesday | 65°F | Mostly Sunny | 5 to 10 mph NE | 7% |
| Wednesday Night | 48°F | Partly Cloudy | 0 to 5 mph NE | 4% |
| Thursday | 68°F | Mostly Sunny | 0 to 5 mph NE | 3% |
| Thursday Night | 49°F | Partly Cloudy | 0 to 5 mph NE | 4% |
| Friday | 70°F | Mostly Sunny | 0 to 5 mph NE | 4% |
Forecast source: National Weather Service (api.weather.gov) for Ixonia (43.137, -88.596). Updated through the day.
Growing snapshot for Ixonia
Last spring frost
Apr 30
First fall frost
Oct 12
Growing season
164 days
Hardiness zone
5a
More local growing data for Ixonia: nearby ZIP 53036 weather · frost dates · planting calendar · Wisconsin frost dates
Nearby towns & communities
Fort Atkinson
Hebron
Helenville
Jefferson
Johnson Creek
Lake Mills
Palmyra
Rome
Sullivan
Waterloo
Watertown
Climate data from the nearest NOAA station, Oconomowoc Wwtp, Wi (6.6 mi from Ixonia). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.