Oshkosh, WI Weather & Growing Conditions
This Afternoon
63°F
Mostly Cloudy
Mostly cloudy. High near 63, with temperatures falling to around 54 in the afternoon. Southwest wind around 14 mph, with gusts as high as 24 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 63°F | Mostly Cloudy | 14 mph SW | 14% |
| Tonight | 45°F | Cloudy then Chance Rain Showers | 10 to 14 mph SW | 58% |
| Thursday | 54°F | Rain Showers | 10 to 17 mph WNW | 81% |
| Thursday Night | 34°F | Mostly Cloudy | 16 mph N | 4% |
| Friday | 47°F | Partly Sunny | 10 to 16 mph N | 2% |
| Friday Night | 29°F | Mostly Clear | 9 mph NNW | 0% |
| Saturday | 49°F | Sunny | 7 mph WNW | 0% |
| Saturday Night | 33°F | Mostly Clear | 5 to 9 mph W | 1% |
| Sunday | 56°F | Sunny | 12 mph W | 1% |
| Sunday Night | 35°F | Mostly Clear | 5 to 8 mph W | 0% |
| Monday | 60°F | Mostly Sunny | 6 to 13 mph SW | 0% |
| Monday Night | 39°F | Mostly Clear | 6 to 10 mph W | 1% |
| Tuesday | 58°F | Sunny | 8 mph WNW | 0% |
| Tuesday Night | 36°F | Partly Cloudy | 5 mph NW | 1% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Oshkosh, WI
Last spring frost
Apr 30
First fall frost
Oct 13
Growing season
165 days
Hardiness zone
5b
Explore more for Oshkosh, WI: full frost dates · planting calendar · Wisconsin frost dates
Climate data from the nearest NOAA station, Oshkosh Wittman Ap, Wi (2.7 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.