New Holstein, WI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for New Holstein, a city in Calumet County, Wisconsin.
This Afternoon
69°F
Chance Rain Showers
A chance of rain showers. Cloudy. High near 69, with temperatures falling to around 67 in the afternoon. South wind around 13 mph, with gusts as high as 23 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for New Holstein
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 69°F | Chance Rain Showers | 13 mph S | 37% |
| Tonight | 59°F | Rain Showers | 14 mph SSE | 84% |
| Wednesday | 65°F | Rain Showers | 12 to 16 mph S | 85% |
| Wednesday Night | 48°F | Chance Rain Showers | 15 mph SW | 52% |
| Thursday | 53°F | Rain Showers | 9 to 13 mph W | 82% |
| Thursday Night | 39°F | Chance Rain Showers | 15 mph N | 51% |
| Friday | 46°F | Slight Chance Rain Showers | 10 to 16 mph N | 24% |
| Friday Night | 33°F | Partly Cloudy | 3 to 8 mph NNW | 4% |
| Saturday | 49°F | Mostly Sunny | 3 to 7 mph WNW | 3% |
| Saturday Night | 35°F | Partly Cloudy | 3 to 8 mph WSW | 10% |
| Sunday | 55°F | Slight Chance Rain Showers | 8 to 13 mph W | 16% |
| Sunday Night | 37°F | Mostly Clear | 7 to 10 mph W | 6% |
| Monday | 57°F | Mostly Sunny | 8 to 15 mph WSW | 2% |
| Monday Night | 41°F | Partly Cloudy | 14 mph W | 1% |
Forecast source: National Weather Service (api.weather.gov) for New Holstein (43.949, -88.095). Updated through the day.
Growing snapshot for New Holstein
Last spring frost
May 1
First fall frost
Oct 14
Growing season
162 days
Hardiness zone
5b
More local growing data for New Holstein: nearby ZIP 53061 weather · frost dates · planting calendar · Wisconsin frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Chilton, Wi (6.2 mi from New Holstein). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.