Walworth County weather, town by town
23 places in Walworth 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 1941 to 2026. Station extremes, not official state records.
Walworth County Weather Facts
Walworth County has 23 places on myweatherrock (9 towns, 8 census-designated places, 3 cities, 3 villages), each with its own live forecast, hourly timeline, ten day outlook and radar. The hottest day in the station records is 106°F at Lake Geneva Wwtp on August 1, 1988. The coldest night is -37°F at Whitewater Wwtp on January 30, 1951. The wettest day brought 5.45 inches of rain at Clinton Wwtp on June 19, 2018. The biggest single-day snow measured 17.01 inches at Burlington Wwtp on February 2, 2011. Those are station measurements from NOAA's daily records, 1941 to 2026, not official state records. By area the largest place is Spring Prairie, about 36 square miles.
About Walworth County weather
The map on the Now tab shows every Walworth 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 23 Walworth County towns with station normals, the warmest month is July, when the day usually reaches 84°F, and the coldest is January, when the night usually falls to 14°F. May is the wettest, with rain on about 13 days. July afternoons run from about 81°F in East Troy to 85°F in Big Foot Prairie. January nights run from about 11°F in Allens Grove to 15°F in Big Foot Prairie.
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.
Walworth County weather records
Measured at the NOAA stations serving these towns, daily records 1941 to 2026. Station extremes, not official state records.
Common questions about Walworth County weather
- What is the hottest temperature recorded at a Walworth County station?
- 106°F at Lake Geneva Wwtp on August 1, 1988, in the NOAA daily station records myweatherrock holds (1941 to 2026).
- What is the coldest temperature recorded at a Walworth County station?
- -37°F at Whitewater Wwtp on January 30, 1951.
- What is the most rain a Walworth County station has measured in one day?
- 5.45 inches at Clinton Wwtp on June 19, 2018.
- What is the biggest one-day snowfall at a Walworth County station?
- 17.01 inches at Burlington Wwtp on February 2, 2011.
- How many Walworth County towns have a weather page here?
- 23: 9 towns, 8 census-designated places, 3 cities, 3 villages. 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 Walworth 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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