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New Post, WI Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for New Post, a community in Sawyer County, Wisconsin.

Overnight
48°F
Chance Rain Showers
A chance of rain showers before 3am, then a chance of rain showers and patchy fog. Cloudy, with a low around 48. East wind around 5 mph, with gusts as high as 20 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.

7-day forecast for New Post

WhenTempForecastWindPrecip
Overnight 48°F Chance Rain Showers 5 mph E 37%
Saturday 60°F Chance Rain Showers then Patchy Fog 5 mph E 26%
Saturday Night 48°F Patchy Fog 5 mph NE 12%
Sunday 64°F Mostly Cloudy 5 to 10 mph NE 1%
Sunday Night 41°F Mostly Cloudy 5 to 10 mph NE 0%
Monday 62°F Partly Sunny 5 mph E 0%
Monday Night 38°F Partly Cloudy 0 to 5 mph NE 1%
Tuesday 66°F Sunny 0 to 5 mph E 1%
Tuesday Night 37°F Mostly Clear 0 to 5 mph E 1%
Wednesday 69°F Sunny 0 to 5 mph SE 0%
Wednesday Night 40°F Mostly Clear 0 mph 1%
Thursday 70°F Sunny 0 to 5 mph SE 3%
Thursday Night 43°F Partly Cloudy 0 mph 4%
Friday 72°F Mostly Sunny 0 to 5 mph S 3%

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

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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 19, 2026.