Osceola, WI Weather & Growing Conditions
Overnight
56°F
Chance Drizzle
A chance of drizzle. Cloudy, with a low around 56. East wind around 10 mph. Chance of precipitation is 30%.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 56°F | Chance Drizzle | 10 mph E | 34% |
| Saturday | 61°F | Chance Drizzle | 5 to 10 mph ENE | 32% |
| Saturday Night | 52°F | Mostly Cloudy | 5 mph NNE | 7% |
| Sunday | 66°F | Partly Sunny | 5 to 15 mph NE | 1% |
| Sunday Night | 46°F | Mostly Cloudy | 5 to 10 mph ENE | 1% |
| Monday | 65°F | Partly Sunny | 5 mph E | 1% |
| Monday Night | 41°F | Partly Cloudy | 5 mph E | 2% |
| Tuesday | 65°F | Sunny | 5 mph E | 2% |
| Tuesday Night | 41°F | Mostly Clear | 0 to 5 mph ESE | 0% |
| Wednesday | 67°F | Sunny | 5 mph SE | 0% |
| Wednesday Night | 45°F | Mostly Clear | 0 to 5 mph SE | 2% |
| Thursday | 69°F | Mostly Sunny | 0 to 5 mph SE | 6% |
| Thursday Night | 48°F | Partly Cloudy | 0 mph | 5% |
| Friday | 71°F | Mostly Sunny | 0 to 5 mph SE | 5% |
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 Sep 19, 2026.