Osseo, WI Weather & Growing Conditions
Tonight
52°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms before 1am, then showers and thunderstorms likely. Cloudy, with a low around 52. East wind around 15 mph, with gusts as high as 31 mph. Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 52°F | Chance Showers And Thunderstorms | 15 mph E | 63% |
| Saturday | 64°F | Chance Showers And Thunderstorms | 8 to 13 mph E | 50% |
| Saturday Night | 50°F | Chance Rain Showers then Mostly Cloudy | 8 to 12 mph NE | 26% |
| Sunday | 68°F | Partly Sunny | 10 mph NE | 5% |
| Sunday Night | 44°F | Mostly Cloudy | 7 mph E | 2% |
| Monday | 63°F | Mostly Cloudy | 6 to 9 mph E | 8% |
| Monday Night | 41°F | Mostly Cloudy | 6 mph E | 8% |
| Tuesday | 62°F | Mostly Sunny | 7 mph E | 7% |
| Tuesday Night | 41°F | Partly Cloudy | 3 mph E | 4% |
| Wednesday | 65°F | Sunny | 5 mph E | 1% |
| Wednesday Night | 45°F | Partly Cloudy | 2 mph SE | 4% |
| Thursday | 68°F | Mostly Sunny | 3 mph SE | 6% |
| Thursday Night | 47°F | Partly Cloudy | 1 mph E | 6% |
| Friday | 70°F | Mostly Sunny | 1 to 5 mph E | 3% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Osseo, WI
Last spring frost
May 7
First fall frost
Oct 1
Growing season
146 days
Hardiness zone
4b
Explore more for Osseo, WI: full frost dates · planting calendar · Wisconsin frost dates
Climate data from the nearest NOAA station, Augusta Rs, Wi (9.5 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.