Oshkosh, WI Weather & Growing Conditions
Tonight
58°F
Rain Showers
Rain showers likely before 8pm, then rain showers and patchy fog. Cloudy, with a low around 58. South southeast wind around 13 mph, with gusts as high as 22 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 |
|---|---|---|---|---|
| Tonight | 58°F | Rain Showers | 13 mph SSE | 92% |
| Wednesday | 64°F | Rain Showers | 12 to 15 mph S | 87% |
| Wednesday Night | 46°F | Rain Showers Likely | 15 mph SW | 65% |
| Thursday | 54°F | Rain Showers | 13 mph WNW | 87% |
| Thursday Night | 37°F | Chance Rain Showers | 16 mph N | 43% |
| Friday | 48°F | Slight Chance Rain Showers then Partly Sunny | 10 to 16 mph N | 18% |
| Friday Night | 33°F | Partly Cloudy | 3 to 7 mph NNW | 3% |
| Saturday | 51°F | Mostly Sunny | 6 mph WNW | 1% |
| Saturday Night | 35°F | Partly Cloudy | 3 to 7 mph WSW | 10% |
| Sunday | 56°F | Slight Chance Rain Showers | 7 to 12 mph W | 15% |
| Sunday Night | 37°F | Mostly Clear | 6 to 9 mph W | 4% |
| Monday | 57°F | Mostly Sunny | 7 to 13 mph SW | 1% |
| Monday Night | 40°F | Mostly Clear | 12 mph W | 1% |
| Tuesday | 56°F | Sunny | 10 mph WNW | 1% |
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 Nov 4, 2026.