Oostburg, WI Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Oostburg, a village in Sheboygan County, Wisconsin.

This Afternoon

67°F

Chance Rain Showers

A chance of rain showers. Mostly cloudy, with a high near 67. Northeast wind around 10 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.

7-day forecast for Oostburg

When	Temp	Forecast	Wind	Precip
This Afternoon	67°F	Chance Rain Showers	10 mph NE	32%
Tonight	56°F	Rain Showers	10 to 15 mph E	96%
Saturday	67°F	Showers And Thunderstorms	15 mph E	95%
Saturday Night	56°F	Showers And Thunderstorms Likely	10 to 15 mph NE	71%
Sunday	67°F	Chance Rain Showers	15 to 20 mph NE	30%
Sunday Night	52°F	Mostly Cloudy	15 to 20 mph NE	3%
Monday	64°F	Mostly Cloudy	15 to 20 mph NE	11%
Monday Night	50°F	Mostly Cloudy	10 to 20 mph NE	11%
Tuesday	63°F	Partly Sunny	15 to 20 mph NE	11%
Tuesday Night	50°F	Partly Cloudy	5 to 15 mph NE	12%
Wednesday	65°F	Mostly Sunny	10 to 15 mph NE	12%
Wednesday Night	51°F	Partly Cloudy	5 to 10 mph NE	6%
Thursday	67°F	Mostly Sunny	5 to 10 mph NE	4%
Thursday Night	51°F	Partly Cloudy	5 mph N	3%

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

More local growing data for Oostburg: nearby ZIP 53070 weather · frost dates · planting calendar · Wisconsin frost dates

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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 Sep 18, 2026.