Oshkosh, WI Weather & Growing Conditions
Tonight
56°F
Rain Showers
Rain showers before 1am, then showers and thunderstorms. Cloudy, with a low around 56. East wind around 14 mph, with gusts as high as 23 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 56°F | Rain Showers | 14 mph E | 98% |
| Saturday | 65°F | Showers And Thunderstorms | 12 to 15 mph E | 95% |
| Saturday Night | 54°F | Rain Showers Likely | 13 mph NE | 74% |
| Sunday | 67°F | Chance Rain Showers then Partly Sunny | 15 mph NE | 27% |
| Sunday Night | 51°F | Mostly Cloudy | 12 to 16 mph NE | 2% |
| Monday | 62°F | Mostly Cloudy | 14 mph ENE | 5% |
| Monday Night | 48°F | Mostly Cloudy | 9 to 13 mph NE | 8% |
| Tuesday | 62°F | Partly Sunny | 9 to 14 mph NE | 8% |
| Tuesday Night | 48°F | Partly Cloudy | 6 to 10 mph NE | 6% |
| Wednesday | 65°F | Mostly Sunny | 6 to 9 mph NE | 6% |
| Wednesday Night | 50°F | Partly Cloudy | 3 to 7 mph NE | 3% |
| Thursday | 69°F | Mostly Sunny | 6 mph NNE | 4% |
| Thursday Night | 51°F | Partly Cloudy | 1 to 5 mph NNE | 4% |
| Friday | 71°F | Mostly Sunny | 5 mph NNE | 3% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Oshkosh, WI
Last spring frost
Apr 24
First fall frost
Oct 20
Growing season
178 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, Wi (3.1 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.