Harman US

Poynette, WI Weather & Growing Conditions

Overnight
56°F
Showers And Thunderstorms
Showers and thunderstorms. Some of the storms could produce heavy rain. Cloudy, with a low around 56. East wind around 10 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.

7-day forecast

WhenTempForecastWindPrecip
Overnight 56°F Showers And Thunderstorms 10 mph E 100%
Saturday 68°F Showers And Thunderstorms 5 to 10 mph SE 100%
Saturday Night 55°F Showers And Thunderstorms 5 to 10 mph NE 82%
Sunday 66°F Scattered Rain Showers then Partly Sunny 10 to 15 mph NE 28%
Sunday Night 49°F Mostly Cloudy 10 to 15 mph NE 2%
Monday 63°F Mostly Cloudy 10 to 15 mph NE 6%
Monday Night 45°F Mostly Cloudy 5 to 10 mph NE 4%
Tuesday 62°F Partly Sunny 5 to 10 mph NE 4%
Tuesday Night 44°F Partly Cloudy 5 to 10 mph NE 3%
Wednesday 65°F Mostly Sunny 5 to 10 mph NE 2%
Wednesday Night 46°F Partly Cloudy 0 to 5 mph NE 1%
Thursday 67°F Mostly Sunny 0 to 5 mph NE 3%
Thursday Night 47°F Partly Cloudy 0 to 5 mph NE 3%
Friday 71°F Mostly Sunny 0 to 5 mph NE 3%

Forecast source: National Weather Service (api.weather.gov). Updated through the day.

Growing snapshot for Poynette, WI

Last spring frost
May 4
First fall frost
Oct 6
Growing season
154 days
Hardiness zone
5a

Explore more for Poynette, WI: full frost dates · planting calendar · Wisconsin frost dates

Climate data from the nearest NOAA station, Arlington, Wi (7.1 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.