Oostburg, WI Weather & Growing Conditions
This Afternoon
64°F
Chance Rain Showers
A chance of rain showers before 2pm. Cloudy. High near 64, with temperatures falling to around 55 in the afternoon. Southwest wind around 15 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 64°F | Chance Rain Showers | 15 mph SW | 11% |
| Tonight | 47°F | Cloudy then Chance Light Rain | 10 mph SW | 44% |
| Thursday | 53°F | Light Rain Likely | 10 to 15 mph W | 70% |
| Thursday Night | 35°F | Cloudy | 15 mph N | 13% |
| Friday | 48°F | Partly Sunny | 15 to 20 mph N | 9% |
| Friday Night | 28°F | Partly Cloudy | 5 to 10 mph N | 0% |
| Saturday | 51°F | Sunny | 5 mph NW | 0% |
| Saturday Night | 33°F | Mostly Clear | 5 to 10 mph W | 1% |
| Sunday | 57°F | Sunny | 10 to 15 mph W | 1% |
| Sunday Night | 35°F | Mostly Clear | 5 to 10 mph W | 0% |
| Monday | 60°F | Sunny | 5 to 15 mph SW | 0% |
| Monday Night | 39°F | Mostly Clear | 10 mph W | 0% |
| Tuesday | 58°F | Sunny | 5 to 10 mph NW | 0% |
| Tuesday Night | 37°F | Partly Cloudy | 5 mph NW | 1% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Oostburg, WI
Last spring frost
May 3
First fall frost
Oct 16
Growing season
165 days
Hardiness zone
5b
Explore more for Oostburg, WI: full frost dates · planting calendar · Wisconsin frost dates
Climate data from the nearest NOAA station, Hingham Wwtp, Wi (5.3 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.