Ozaukee County weather, town by town
9 places in Ozaukee County, Wisconsin, each with its own live forecast and radar, and where a station sits close enough, measured weather records.
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Measured at the NOAA stations serving these towns, daily records 1944 to 2026. Station extremes, not official state records.
Ozaukee County Weather Facts
Ozaukee County has 9 places on myweatherrock (4 towns, 3 cities, 1 villages, 1 census-designated places), each with its own live forecast, hourly timeline, ten day outlook and radar. The hottest day in the station records is 104°F at Germantown Wastewater Utility on July 6, 2012. The coldest night is -40°F at Germantown Wastewater Utility on January 10, 1982. The wettest day brought 8.62 inches of rain at Germantown Wastewater Utility on August 10, 2025. The biggest single-day snow measured 15.32 inches at Germantown Wastewater Utility on February 7, 2008. Those are station measurements from NOAA's daily records, 1944 to 2026, not official state records. By area the largest place is Mequon, about 46 square miles.
About Ozaukee County weather
The map on the Now tab shows every Ozaukee County town's current temperature from our own server, one dot per town. Tap any dot, or type a town above, for that town's full forecast.
What the weather is usually like
Across the 9 Ozaukee County towns with station normals, the warmest month is July, when the day usually reaches 81°F, and the coldest is January, when the night usually falls to 11°F. May is the wettest, with rain on about 12 days.
Means of the 1991 to 2020 station normals serving these towns, as published by NOAA; each town's page carries its own.
Where these numbers come from
- Current conditions and forecast: NOAA forecast grids decoded on our own server, corrected against the nearest reporting station and our own radar. Open-Meteo is consulted only as a fallback when our server is silent.
- Records: computed by myweatherrock from NOAA GHCN-Daily station records at the stations serving these towns. Measurements, not estimates.
- Warnings and alerts: the National Weather Service, passed through unchanged.
Ozaukee County weather records
Measured at the NOAA stations serving these towns, daily records 1944 to 2026. Station extremes, not official state records.
Common questions about Ozaukee County weather
- What is the hottest temperature recorded at a Ozaukee County station?
- 104°F at Germantown Wastewater Utility on July 6, 2012, in the NOAA daily station records myweatherrock holds (1944 to 2026).
- What is the coldest temperature recorded at a Ozaukee County station?
- -40°F at Germantown Wastewater Utility on January 10, 1982.
- What is the most rain a Ozaukee County station has measured in one day?
- 8.62 inches at Germantown Wastewater Utility on August 10, 2025.
- What is the biggest one-day snowfall at a Ozaukee County station?
- 15.32 inches at Germantown Wastewater Utility on February 7, 2008.
- How many Ozaukee County towns have a weather page here?
- 9: 4 towns, 3 cities, 1 villages, 1 census-designated places. Each page carries current conditions, the hourly timeline, the ten day outlook, radar, and where a station sits close enough, measured records.
- Where does the Ozaukee County forecast come from?
- NOAA forecast grids (the National Weather Service digital forecast, the National Blend of Models, HRRR and GFS) decoded on our own server, corrected against the nearest reporting station and our own radar. Open-Meteo is consulted only as a fallback when our server is silent.
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