Lebanon, WI Weather & Growing Conditions
Tonight
58°F
Light Rain
Rain. Cloudy, with a low around 58. South wind 10 to 15 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 58°F | Light Rain | 10 to 15 mph S | 84% |
| Wednesday | 60°F | Chance Light Rain | 10 to 15 mph S | 25% |
| Wednesday Night | 46°F | Cloudy then Chance Light Rain | 15 mph SW | 35% |
| Thursday | 53°F | Light Rain Likely | 10 to 15 mph W | 61% |
| Thursday Night | 38°F | Chance Light Rain | 5 to 10 mph N | 48% |
| 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 | 3% |
| 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 | 34°F | Mostly Clear | 5 mph W | 5% |
| Monday | 59°F | Sunny | 5 to 10 mph SW | 1% |
| Monday Night | 38°F | Partly Cloudy | 5 to 10 mph W | 0% |
| Tuesday | 59°F | Sunny | 5 to 10 mph NW | 0% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Lebanon, WI
Last spring frost
Apr 28
First fall frost
Oct 10
Growing season
164 days
Hardiness zone
5a
Explore more for Lebanon, WI: full frost dates · planting calendar · Wisconsin frost dates
Climate data from the nearest NOAA station, Hustisford Wwtp, Wi (5.7 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.