New Post, WI Weather & Growing Conditions
Overnight
55°F
Light Rain
Rain before 4am, then rain likely and patchy fog. Cloudy, with a low around 55. East wind around 5 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 55°F | Light Rain | 5 mph E | 79% |
| Wednesday | 60°F | Light Rain | 5 mph S | 84% |
| Wednesday Night | 40°F | Light Rain | 5 to 10 mph NW | 87% |
| Thursday | 46°F | Light Rain Likely then Cloudy | 10 to 15 mph N | 63% |
| Thursday Night | 27°F | Mostly Cloudy | 5 to 10 mph N | 9% |
| Friday | 44°F | Partly Sunny | 0 to 5 mph N | 0% |
| Friday Night | 22°F | Partly Cloudy | 0 mph | 0% |
| Saturday | 46°F | Mostly Sunny | 0 to 5 mph SW | 1% |
| Saturday Night | 28°F | Partly Cloudy | 0 to 5 mph W | 9% |
| Sunday | 50°F | Mostly Sunny | 5 to 10 mph W | 10% |
| Sunday Night | 29°F | Partly Cloudy | 0 to 5 mph SW | 1% |
| Monday | 55°F | Partly Sunny | 0 to 10 mph SW | 1% |
| Monday Night | 32°F | Partly Cloudy | 0 to 5 mph W | 1% |
| Tuesday | 53°F | Mostly Sunny | 0 to 5 mph NW | 2% |
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 Nov 4, 2026.