Wittenberg, WI Weather & Growing Conditions
Today
80°F
Mostly Cloudy then Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms between 1pm and 2pm. Mostly cloudy, with a high near 80. Heat index values as high as 79. West southwest wind 8 to 12 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 80°F | Mostly Cloudy then Slight Chance Showers And Thunderstorms | 8 to 12 mph WSW | 16% |
| Tonight | 57°F | Slight Chance Showers And Thunderstorms | 2 to 7 mph WNW | 19% |
| Wednesday | 80°F | Patchy Fog then Partly Sunny | 2 to 6 mph NNW | 6% |
| Wednesday Night | 53°F | Partly Cloudy | 0 to 5 mph WNW | 1% |
| Thursday | 84°F | Mostly Sunny | 1 to 7 mph WSW | 0% |
| Thursday Night | 58°F | Mostly Clear | 6 mph SSW | 0% |
| Friday | 85°F | Sunny | 3 to 13 mph SW | 11% |
| Friday Night | 63°F | Slight Chance Showers And Thunderstorms | 6 to 10 mph SW | 19% |
| Saturday | 86°F | Mostly Sunny | 5 to 10 mph SW | 14% |
| Saturday Night | 64°F | Chance Showers And Thunderstorms | 3 to 9 mph WSW | 40% |
| Sunday | 85°F | Chance Showers And Thunderstorms | 3 to 9 mph W | 40% |
| Sunday Night | 61°F | Chance Showers And Thunderstorms | 2 to 8 mph NNW | 37% |
| Monday | 83°F | Chance Showers And Thunderstorms | 2 to 7 mph S | 29% |
| Monday Night | 60°F | Chance Showers And Thunderstorms | 3 to 7 mph N | 31% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Wittenberg, WI
Last spring frost
May 6
First fall frost
Oct 5
Growing season
150 days
Hardiness zone
4b
Explore more for Wittenberg, WI: full frost dates · planting calendar · Wisconsin frost dates
Climate data from the nearest NOAA station, Rosholt 9 Nne, Wi (4.3 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.