Osseo, WI Weather & Growing Conditions
Today
79°F
Showers And Thunderstorms
Showers and thunderstorms. Mostly cloudy. High near 79, with temperatures falling to around 76 in the afternoon. West wind around 9 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 79°F | Showers And Thunderstorms | 9 mph W | 90% |
| Tonight | 56°F | Slight Chance Rain Showers then Mostly Cloudy | 2 to 7 mph W | 21% |
| Wednesday | 79°F | Mostly Sunny | 1 to 6 mph NW | 1% |
| Wednesday Night | 54°F | Mostly Clear | 0 to 5 mph SW | 0% |
| Thursday | 84°F | Sunny | 1 to 8 mph SW | 1% |
| Thursday Night | 60°F | Mostly Clear | 3 to 7 mph SW | 1% |
| Friday | 86°F | Sunny | 3 to 10 mph SW | 8% |
| Friday Night | 63°F | Chance Rain Showers | 3 to 10 mph SW | 25% |
| Saturday | 85°F | Slight Chance Rain Showers | 3 to 8 mph SW | 19% |
| Saturday Night | 65°F | Chance Showers And Thunderstorms | 3 to 7 mph W | 38% |
| Sunday | 85°F | Chance Showers And Thunderstorms | 3 to 8 mph SW | 38% |
| Sunday Night | 63°F | Chance Showers And Thunderstorms | 2 to 6 mph E | 31% |
| Monday | 83°F | Chance Rain Showers | 3 to 7 mph SE | 28% |
| Monday Night | 62°F | Chance Showers And Thunderstorms | 6 mph NE | 28% |
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 Aug 4, 2026.