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
65°F
Rain Showers
Rain showers. Cloudy. High near 65, with temperatures falling to around 61 in the afternoon. East northeast wind around 9 mph. Chance of precipitation is 80%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for New Holstein
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 65°F | Rain Showers | 9 mph ENE | 81% |
| Tonight | 57°F | Rain Showers | 8 to 15 mph E | 94% |
| Saturday | 64°F | Showers And Thunderstorms | 12 to 16 mph ESE | 95% |
| Saturday Night | 56°F | Rain Showers Likely | 12 mph NE | 74% |
| Sunday | 66°F | Chance Rain Showers | 13 to 17 mph NE | 31% |
| Sunday Night | 52°F | Mostly Cloudy | 10 to 16 mph NE | 1% |
| Monday | 61°F | Mostly Cloudy | 10 to 15 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 NNE | 4% |
| Thursday | 67°F | Mostly Sunny | 3 to 8 mph NNE | 3% |
| Thursday Night | 50°F | Partly Cloudy | 1 to 5 mph NNE | 4% |
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 Sep 19, 2026.