Ixonia, WI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Ixonia, a community in Jefferson County, Wisconsin.
This Afternoon
70°F
Light Rain Likely
Rain before 3pm, then rain likely and a slight chance of thunderstorms. Cloudy, with a high near 70. South wind around 15 mph, with gusts as high as 35 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Ixonia
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 70°F | Light Rain Likely | 15 mph S | 79% |
| Tonight | 57°F | Light Rain | 10 to 15 mph S | 95% |
| Wednesday | 62°F | Light Rain | 10 to 15 mph S | 85% |
| Wednesday Night | 46°F | Light Rain Likely | 10 mph SW | 61% |
| Thursday | 54°F | Light Rain | 5 to 10 mph W | 76% |
| Thursday Night | 38°F | Chance Light Rain | 5 to 10 mph N | 50% |
| Friday | 49°F | Slight Chance Light Rain then Partly Sunny | 5 to 15 mph N | 20% |
| Friday Night | 31°F | Partly Cloudy | 0 to 5 mph N | 2% |
| Saturday | 51°F | Mostly Sunny | 0 to 5 mph W | 3% |
| Saturday Night | 32°F | Partly Cloudy | 0 to 5 mph W | 8% |
| Sunday | 57°F | Slight Chance Light Rain | 5 to 10 mph W | 18% |
| Sunday Night | 33°F | Mostly Clear | 5 mph W | 5% |
| Monday | 59°F | Mostly Sunny | 5 to 10 mph SW | 1% |
| Monday Night | 38°F | Partly Cloudy | 5 to 10 mph W | 1% |
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 Nov 3, 2026.