Lebanon, WI Weather & Growing Conditions
Today
83°F
Mostly Sunny then Chance Showers And Thunderstorms
A slight chance of rain showers between 3pm and 4pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 83. Southwest wind 5 to 10 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 83°F | Mostly Sunny then Chance Showers And Thunderstorms | 5 to 10 mph SW | 27% |
| Tonight | 63°F | Chance Showers And Thunderstorms then Showers And Thunderstorms | 5 mph W | 88% |
| Wednesday | 75°F | Patchy Fog then Slight Chance Showers And Thunderstorms | 0 to 5 mph W | 57% |
| Wednesday Night | 58°F | Chance Showers And Thunderstorms | 0 to 5 mph W | 29% |
| Thursday | 79°F | Mostly Sunny | 0 mph | 11% |
| Thursday Night | 57°F | Mostly Clear | 0 mph | 8% |
| Friday | 82°F | Sunny | 0 to 5 mph SW | 1% |
| Friday Night | 61°F | Mostly Clear | 5 mph SW | 6% |
| Saturday | 84°F | Sunny then Slight Chance Showers And Thunderstorms | 5 to 10 mph SW | 15% |
| Saturday Night | 66°F | Slight Chance Showers And Thunderstorms | 5 mph SW | 30% |
| Sunday | 85°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 mph SW | 51% |
| Monday | 83°F | Chance Rain Showers | 5 mph S | 43% |
| Monday Night | 64°F | Chance Showers And Thunderstorms | 5 mph N | 43% |
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 Aug 4, 2026.