Harman US

Osceola, WI Weather & Growing Conditions

Overnight
52°F
Chance Light Rain
A chance of rain. Mostly cloudy, with a low around 52. East southeast wind around 5 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch possible.

7-day forecast

WhenTempForecastWindPrecip
Overnight 52°F Chance Light Rain 5 mph ESE 52%
Wednesday 56°F Light Rain 5 mph SW 85%
Wednesday Night 43°F Light Rain then Drizzle Likely 5 to 15 mph NNW 91%
Thursday 47°F Slight Chance Drizzle then Mostly Cloudy 10 to 15 mph N 18%
Thursday Night 31°F Mostly Cloudy 5 to 10 mph NNE 0%
Friday 45°F Mostly Sunny 0 to 5 mph NNE 0%
Friday Night 27°F Mostly Clear 0 mph 0%
Saturday 47°F Sunny 0 to 5 mph SSW 2%
Saturday Night 34°F Mostly Clear 5 mph WSW 5%
Sunday 52°F Sunny 5 mph W 4%
Sunday Night 35°F Partly Cloudy 0 to 5 mph SW 0%
Monday 56°F Mostly Sunny 5 to 10 mph SW 1%
Monday Night 37°F Mostly Clear 0 to 5 mph WNW 1%
Tuesday 53°F Sunny 0 to 5 mph WNW 1%

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

Growing snapshot for Osceola, WI

Last spring frost
May 4
First fall frost
Oct 8
Growing season
156 days
Hardiness zone
4b

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

Climate data from the nearest NOAA station, St Croix Falls, Wi (9.5 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.