Oostburg, WI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Oostburg, a village in Sheboygan County, Wisconsin.
Today
81°F
Mostly Sunny then Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms after 5pm. Mostly sunny, with a high near 81. South wind 5 to 15 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Oostburg
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 81°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 5 to 15 mph S | 15% |
| Tonight | 64°F | Chance Showers And Thunderstorms then Showers And Thunderstorms | 5 to 15 mph SW | 81% |
| Wednesday | 75°F | Patchy Fog then Slight Chance Showers And Thunderstorms | 5 mph N | 56% |
| Wednesday Night | 60°F | Slight Chance Showers And Thunderstorms | 0 to 5 mph SE | 23% |
| Thursday | 78°F | Mostly Sunny | 0 to 5 mph E | 9% |
| Thursday Night | 61°F | Mostly Clear | 0 to 5 mph SW | 5% |
| Friday | 81°F | Sunny | 5 to 10 mph SW | 1% |
| Friday Night | 64°F | Mostly Clear | 5 to 10 mph SW | 6% |
| Saturday | 83°F | Sunny then Slight Chance Showers And Thunderstorms | 5 to 10 mph SW | 15% |
| Saturday Night | 67°F | Chance Showers And Thunderstorms | 5 to 10 mph SW | 32% |
| Sunday | 83°F | Chance Showers And Thunderstorms | 10 mph SW | 32% |
| Sunday Night | 65°F | Chance Showers And Thunderstorms | 5 to 10 mph SW | 52% |
| Monday | 79°F | Chance Rain Showers | 5 to 10 mph S | 37% |
| Monday Night | 65°F | Chance Showers And Thunderstorms | 5 mph NE | 44% |
Forecast source: National Weather Service (api.weather.gov) for Oostburg (43.624, -87.788). Updated through the day.
Growing snapshot for Oostburg
Last spring frost
May 3
First fall frost
Oct 16
Growing season
165 days
Hardiness zone
5b
More local growing data for Oostburg: nearby ZIP 53070 weather · frost dates · planting calendar · Wisconsin frost dates
Nearby towns & communities
Adell
Batavia
Cascade
Cedar Grove
Elkhart Lake
Gibbsville
Glenbeulah
Greenbush
Hingham
Howards Grove
Kiel
Kohler
Plymouth
Random Lake
Sheboygan
Sheboygan Falls
Waldo
Climate data from the nearest NOAA station, Hingham Wwtp, Wi (5.3 mi from Oostburg). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.