Walworth County, WI
: September 2026 so far averaged 65.7°F in Walworth County, WI, the warmest 1 to 29 September in the county average since 2019, 7th warmest of 76 (county average from NOAA gridded data, 1951 to 2026).
Last updated . This page normally updates every day; the latest update is late.
- High
- 75.2°F
- Warmest since 2025
- 15th warmest of 76
- Low
- 46.5°F
- Coldest since 2022
- 38th coldest of 76
No measurable precipitation in the county average of Walworth County, WI for 6 days to Tuesday 29 September 2026 (county average from NOAA gridded data, 1951 to 2026).
- Normal range, 36.7 to 51.4°F
Every year as a table
Every 29 September high of the county average in Walworth County, WI since 1951: 75.2°F in 2026; the highest is 89.2°F, in 1953.
| Year | High, °F | Low, °F |
|---|---|---|
| 2026 | 75.2 | 46.5 |
| 2025 | 78.4 | 52.4 |
| 2024 | 76 | 57.2 |
| 2023 | 65.9 | 50.9 |
| 2022 | 57.9 | 35.2 |
| 2021 | 74.9 | 47.8 |
| 2020 | 58.9 | 42.4 |
| 2019 | 62.9 | 53.2 |
| 2018 | 55.7 | 36.7 |
| 2017 | 71.6 | 44.7 |
| 2016 | 62.5 | 50.3 |
| 2015 | 77.8 | 57.2 |
| 2014 | 79.4 | 51.4 |
| 2013 | 80.9 | 48.4 |
| 2012 | 68.2 | 40.9 |
| 2011 | 64.5 | 47.5 |
| 2010 | 70.8 | 46.6 |
| 2009 | 60 | 44.4 |
| 2008 | 66.5 | 49.9 |
| 2007 | 72.5 | 45.2 |
| 2006 | 57.3 | 38.3 |
| 2005 | 68.2 | 39.1 |
| 2004 | 64.4 | 39.2 |
| 2003 | 55 | 36.5 |
| 2002 | 73.2 | 47.6 |
| 2001 | 56.2 | 41.7 |
| 2000 | 65.6 | 40.9 |
| 1999 | 56.8 | 46.8 |
| 1998 | 75.4 | 49.9 |
| 1997 | 70.5 | 51.7 |
| 1996 | 61.6 | 47.5 |
| 1995 | 79.8 | 50.6 |
| 1994 | 63 | 40.4 |
| 1993 | 53.7 | 38.3 |
| 1992 | 56.4 | 32 |
| 1991 | 63.3 | 34 |
| 1990 | 64.8 | 45.6 |
| 1989 | 72.6 | 43.2 |
| 1988 | 67.4 | 53.5 |
| 1987 | 75.9 | 52.3 |
| 1986 | 76.6 | 61.3 |
| 1985 | 73 | 47.4 |
| 1984 | 53.2 | 30.8 |
| 1983 | 79.5 | 52.8 |
| 1982 | 72.6 | 50 |
| 1981 | 60.8 | 39.6 |
| 1980 | 66.9 | 47.1 |
| 1979 | 81 | 52.4 |
| 1978 | 65.4 | 44.3 |
| 1977 | 68.3 | 48.9 |
| 1976 | 64.3 | 43 |
| 1975 | 68.6 | 44.4 |
| 1974 | 66.7 | 42.9 |
| 1973 | 63.3 | 58.5 |
| 1972 | 70 | 42.5 |
| 1971 | 83 | 55.6 |
| 1970 | 62 | 35.1 |
| 1969 | 63.6 | 41.5 |
| 1968 | 67.7 | 45.8 |
| 1967 | 49.3 | 35.9 |
| 1966 | 62.5 | 49.9 |
| 1965 | 71.1 | 52.8 |
| 1964 | 63.6 | 32.6 |
| 1963 | 59.8 | 41.5 |
| 1962 | 63.1 | 36 |
| 1961 | 57.6 | 32 |
| 1960 | 64.1 | 46.7 |
| 1959 | 65.9 | 47.4 |
| 1958 | 66.7 | 41.7 |
| 1957 | 66.7 | 32.9 |
| 1956 | 74.1 | 54.5 |
| 1955 | 70 | 48 |
| 1954 | 73.9 | 58.4 |
| 1953 | 89.2 | 52.8 |
| 1952 | 79 | 51.4 |
| 1951 | 57.7 | 31.2 |
The month
August 2026 averaged 69.9°F in Walworth County, WI, the warmest August in the county average since 2021, 62nd warmest of 132 (county average from NOAA's monthly county data, 1895 to 2026).
The month in words
- Tuesday 29 September 2026: a high of 75.2°F averaged over Walworth County, WI, the warmest 29 September in the county average since 2025, 15th warmest of 76 (county average from NOAA gridded data, 1951 to 2026).
- Tuesday 29 September 2026: a low of 46.5°F averaged over Walworth County, WI, the coldest 29 September night in the county average since 2022, 38th coldest of 76 (county average from NOAA gridded data, 1951 to 2026).
- Days of the month without a value
- 0
Nearby
Milwaukee, WI 37.9 mi, the nearest city with its own station