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
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| 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.