New Post, WI Weather & Growing Conditions
Today
61°F
Patchy Fog
Patchy fog and a slight chance of rain showers before 1pm, then a chance of rain showers and patchy fog between 1pm and 2pm, then patchy fog and a slight chance of rain showers. Cloudy, with a high near 61. Northeast wind around 5 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 | 61°F | Patchy Fog | 5 mph NE | 25% |
| Tonight | 47°F | Patchy Fog | 5 mph NE | 14% |
| Sunday | 64°F | Mostly Cloudy | 5 to 10 mph NE | 1% |
| Sunday Night | 40°F | Mostly Cloudy | 5 to 10 mph NE | 0% |
| Monday | 62°F | Partly Sunny | 5 mph E | 0% |
| Monday Night | 37°F | Partly Cloudy | 0 to 5 mph NE | 1% |
| Tuesday | 66°F | Sunny | 0 to 5 mph E | 1% |
| Tuesday Night | 36°F | Mostly Clear | 0 mph | 1% |
| Wednesday | 69°F | Sunny | 0 to 5 mph SE | 0% |
| Wednesday Night | 39°F | Mostly Clear | 0 mph | 1% |
| Thursday | 70°F | Mostly Sunny | 0 mph | 3% |
| Thursday Night | 42°F | Partly Cloudy | 0 mph | 4% |
| Friday | 72°F | Mostly Sunny | 0 to 5 mph SE | 3% |
| Friday Night | 44°F | Partly Cloudy | 0 mph | 6% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for New Post, WI
Last spring frost
May 19
First fall frost
Sep 27
Growing season
129 days
Hardiness zone
4a
Explore more for New Post, WI: full frost dates · planting calendar · Wisconsin frost dates
Climate data from the nearest NOAA station, Winter, Wi (6 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.