Ixonia, WI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Ixonia, a community in Jefferson County, Wisconsin.
Overnight
61°F
Mostly Clear
Mostly clear, with a low around 61. South wind around 5 mph.
7-day forecast for Ixonia
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 61°F | Mostly Clear | 5 mph S | 0% |
| Tuesday | 83°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 5 to 10 mph SW | 19% |
| Tuesday Night | 63°F | Chance Showers And Thunderstorms then Showers And Thunderstorms | 5 to 10 mph W | 90% |
| Wednesday | 75°F | Patchy Fog then Slight Chance Showers And Thunderstorms | 5 mph W | 64% |
| Wednesday Night | 58°F | Chance Showers And Thunderstorms | 0 to 5 mph W | 37% |
| Thursday | 79°F | Slight Chance Rain Showers then Mostly Sunny | 0 mph | 17% |
| Thursday Night | 57°F | Mostly Clear | 0 mph | 7% |
| Friday | 81°F | Sunny | 0 to 5 mph SW | 1% |
| Friday Night | 62°F | Mostly Clear | 0 to 5 mph SW | 6% |
| Saturday | 83°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 5 to 10 mph SW | 15% |
| Saturday Night | 67°F | Slight Chance Showers And Thunderstorms | 5 mph SW | 30% |
| Sunday | 84°F | Chance Showers And Thunderstorms | 5 to 10 mph SW | 30% |
| Sunday Night | 65°F | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms | 5 to 10 mph SW | 50% |
| Monday | 83°F | Chance Rain Showers | 5 mph S | 43% |
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 Aug 4, 2026.