New Holstein, WI Weather & Growing Conditions
Tonight
57°F
Rain Showers
Rain showers before 1am, then showers and thunderstorms. Cloudy, with a low around 57. East wind 10 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 57°F | Rain Showers | 10 to 15 mph E | 95% |
| Saturday | 64°F | Showers And Thunderstorms | 12 to 16 mph ESE | 95% |
| Saturday Night | 56°F | Rain Showers Likely | 9 to 13 mph NE | 74% |
| Sunday | 66°F | Chance Rain Showers | 13 to 17 mph NE | 32% |
| Sunday Night | 52°F | Mostly Cloudy | 10 to 16 mph NE | 1% |
| Monday | 61°F | Mostly Cloudy | 10 to 16 mph ENE | 6% |
| Monday Night | 48°F | Mostly Cloudy | 8 to 14 mph NE | 9% |
| Tuesday | 60°F | Partly Sunny | 8 to 15 mph ENE | 7% |
| Tuesday Night | 48°F | Partly Cloudy | 6 to 10 mph NE | 8% |
| Wednesday | 63°F | Mostly Sunny | 6 to 10 mph NE | 8% |
| Wednesday Night | 49°F | Partly Cloudy | 3 to 7 mph NE | 4% |
| Thursday | 67°F | Mostly Sunny | 3 to 8 mph NNE | 3% |
| Thursday Night | 50°F | Partly Cloudy | 1 to 5 mph NNE | 4% |
| Friday | 69°F | Mostly Sunny | 2 to 7 mph N | 3% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for New Holstein, WI
Last spring frost
May 1
First fall frost
Oct 14
Growing season
162 days
Hardiness zone
5b
Explore more for New Holstein, WI: full frost dates · planting calendar · Wisconsin frost dates
Climate data from the nearest NOAA station, Chilton, Wi (6.2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.