Kellnersville, WI Weather & Growing Conditions
Today
84°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. High near 84, with temperatures falling to around 82 in the afternoon. Heat index values as high as 88. Southwest wind 10 to 15 mph, with gusts as high as 22 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 | 84°F | Mostly Sunny then Chance Showers And Thunderstorms | 10 to 15 mph SW | 30% |
| Tonight | 63°F | Chance Showers And Thunderstorms then Showers And Thunderstorms | 5 to 10 mph NW | 81% |
| Wednesday | 77°F | Slight Chance Showers And Thunderstorms | 6 mph NE | 20% |
| Wednesday Night | 58°F | Chance Rain Showers | 2 to 6 mph S | 14% |
| Thursday | 80°F | Slight Chance Rain Showers then Sunny | 3 to 7 mph S | 5% |
| Thursday Night | 60°F | Mostly Clear | 7 mph SSW | 2% |
| Friday | 84°F | Sunny | 6 to 12 mph SW | 0% |
| Friday Night | 65°F | Mostly Clear | 10 mph SSW | 7% |
| Saturday | 85°F | Sunny then Slight Chance Showers And Thunderstorms | 9 to 13 mph SW | 15% |
| Saturday Night | 67°F | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms | 6 to 10 mph SW | 41% |
| Sunday | 85°F | Chance Showers And Thunderstorms | 7 to 12 mph WSW | 41% |
| Sunday Night | 64°F | Chance Showers And Thunderstorms | 5 to 10 mph WSW | 48% |
| Monday | 81°F | Chance Rain Showers | 5 to 8 mph SSE | 34% |
| Monday Night | 64°F | Chance Showers And Thunderstorms | 5 to 8 mph NNE | 38% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Kellnersville, WI
Last spring frost
May 6
First fall frost
Oct 12
Growing season
158 days
Hardiness zone
5b
Explore more for Kellnersville, WI: full frost dates · planting calendar · Wisconsin frost dates
Climate data from the nearest NOAA station, Denmark Wwtp, Wi (8.6 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.