Oshkosh, WI Weather & Growing Conditions
This Afternoon
63°F
Showers And Thunderstorms
Showers and thunderstorms. Cloudy, with a high near 63. East wind around 12 mph, with gusts as high as 21 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 63°F | Showers And Thunderstorms | 12 mph E | 83% |
| Tonight | 55°F | Showers And Thunderstorms Likely | 12 mph NE | 58% |
| Sunday | 66°F | Partly Sunny | 12 to 15 mph NE | 8% |
| Sunday Night | 49°F | Mostly Cloudy | 12 to 15 mph NE | 0% |
| Monday | 61°F | Mostly Cloudy | 10 to 14 mph ENE | 2% |
| Monday Night | 46°F | Mostly Cloudy | 12 mph NE | 10% |
| Tuesday | 61°F | Partly Sunny | 9 to 13 mph ENE | 10% |
| Tuesday Night | 47°F | Partly Cloudy | 7 to 10 mph NE | 4% |
| Wednesday | 64°F | Mostly Sunny | 7 to 12 mph NE | 3% |
| Wednesday Night | 49°F | Partly Cloudy | 3 to 7 mph ENE | 2% |
| Thursday | 67°F | Partly Sunny | 7 mph ENE | 5% |
| Thursday Night | 51°F | Mostly Cloudy | 1 to 6 mph NE | 5% |
| Friday | 70°F | Partly Sunny | 5 mph NE | 4% |
| Friday Night | 51°F | Partly Cloudy | 0 to 3 mph ENE | 4% |
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 (3.3 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.