New Post, WI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for New Post, a community in Sawyer County, Wisconsin.
This Afternoon
63°F
Mostly Cloudy
Mostly cloudy. High near 63, with temperatures falling to around 61 in the afternoon. Northeast wind around 5 mph.
7-day forecast for New Post
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 63°F | Mostly Cloudy | 5 mph NE | 13% |
| Tonight | 48°F | Mostly Cloudy | 5 mph NE | 6% |
| Sunday | 65°F | Mostly Cloudy | 5 to 10 mph NE | 4% |
| Sunday Night | 40°F | Mostly Cloudy | 5 to 10 mph NE | 0% |
| Monday | 64°F | Mostly Cloudy | 5 mph E | 0% |
| Monday Night | 35°F | Partly Cloudy then Patchy Frost | 0 to 5 mph NE | 0% |
| Tuesday | 66°F | Patchy Frost then Sunny | 0 to 5 mph E | 0% |
| Tuesday Night | 38°F | Mostly Clear | 0 to 5 mph E | 0% |
| Wednesday | 68°F | Sunny | 0 to 5 mph SE | 0% |
| Wednesday Night | 42°F | Mostly Clear | 0 to 5 mph SE | 1% |
| Thursday | 69°F | Mostly Sunny then Slight Chance Rain Showers | 0 to 5 mph SE | 15% |
| Thursday Night | 46°F | Slight Chance Rain Showers then Mostly Cloudy | 0 mph | 15% |
| Friday | 73°F | Partly Sunny | 0 to 5 mph S | 5% |
| Friday Night | 48°F | Partly Cloudy | 0 mph | 4% |
Forecast source: National Weather Service (api.weather.gov) for New Post (45.903, -91.207). Updated through the day.
Growing snapshot for New Post
Last spring frost
May 19
First fall frost
Sep 27
Growing season
129 days
Hardiness zone
4a
More local growing data for New Post: nearby ZIP 54867 weather · frost dates · planting calendar · Wisconsin frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Winter, Wi (10.2 mi from New Post). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.