Waukesha County, WI
: September 2026 so far averaged 65°F in Waukesha County, WI, the warmest 1 to 29 September in the county average since 2024, tied 9th warmest of 76 (with 2017) (county average from NOAA gridded data, 1951 to 2026).
Last updated . This page normally updates every day; the latest update is late.
- Tuesday 29 September 2026: a high of 75°F averaged over Waukesha County, WI, the warmest 29 September in the county average since 2025, 14th warmest of 76 (county average from NOAA gridded data, 1951 to 2026).
- Tuesday 29 September 2026: a low of 46.3°F averaged over Waukesha County, WI, the warmest 29 September night in the county average since 2025, tied 37th warmest of 76 (with 1959) (county average from NOAA gridded data, 1951 to 2026).
- No measurable precipitation in the county average of Waukesha County, WI for 7 days to Tuesday 29 September 2026 (county average from NOAA gridded data, 1951 to 2026).
The month
- August 2026 averaged 70.2°F in Waukesha County, WI, the warmest August in the county average since 2021, tied 42nd warmest of 132 (with 2011, 2006, 1958 and 2 other years) (county average from NOAA's monthly county data, 1895 to 2026).
- Days of the month without a value
- 0
Every year on this date
- Above the normal range
- In it
- Below it
- Normal range
- This year and the extreme
Every year as a table
| Year | High, °F | Low, °F |
|---|---|---|
| 2026 | 75 | 46.3 |
| 2025 | 77 | 50.7 |
| 2024 | 76.6 | 56.9 |
| 2023 | 65.9 | 52.3 |
| 2022 | 57.4 | 34.7 |
| 2021 | 72.3 | 46.7 |
| 2020 | 59 | 42.5 |
| 2019 | 63.2 | 51.6 |
| 2018 | 54.6 | 35.6 |
| 2017 | 71.7 | 45.6 |
| 2016 | 62.5 | 50 |
| 2015 | 78.4 | 56 |
| 2014 | 78.7 | 50.4 |
| 2013 | 79.5 | 48.2 |
| 2012 | 68.5 | 40.8 |
| 2011 | 63.3 | 48 |
| 2010 | 70.2 | 47.6 |
| 2009 | 59.6 | 44.6 |
| 2008 | 65.8 | 50.2 |
| 2007 | 71.2 | 44.9 |
| 2006 | 57.1 | 37.8 |
| 2005 | 67.6 | 38.7 |
| 2004 | 63.7 | 39 |
| 2003 | 54.5 | 36.4 |
| 2002 | 71.2 | 46.8 |
| 2001 | 56.1 | 40.3 |
| 2000 | 64.9 | 41.2 |
| 1999 | 56.4 | 46.6 |
| 1998 | 74.5 | 49.8 |
| 1997 | 70.3 | 52.8 |
| 1996 | 61.2 | 48.1 |
| 1995 | 78.5 | 51 |
| 1994 | 62.6 | 41.2 |
| 1993 | 51.5 | 38 |
| 1992 | 55.7 | 32.2 |
| 1991 | 62 | 34.4 |
| 1990 | 63.3 | 45.5 |
| 1989 | 71.9 | 43.1 |
| 1988 | 64.9 | 52.3 |
| 1987 | 75.6 | 51.4 |
| 1986 | 75.3 | 61.3 |
| 1985 | 71.4 | 47.2 |
| 1984 | 51.7 | 30.6 |
| 1983 | 79 | 51.6 |
| 1982 | 71.1 | 49.1 |
| 1981 | 59.8 | 39.1 |
| 1980 | 66.3 | 46.8 |
| 1979 | 80.6 | 50.7 |
| 1978 | 64.1 | 42.9 |
| 1977 | 66.5 | 48.9 |
| 1976 | 64.6 | 42 |
| 1975 | 68.3 | 41.8 |
| 1974 | 66.1 | 42.7 |
| 1973 | 62.2 | 57.5 |
| 1972 | 67.9 | 41.5 |
| 1971 | 82.5 | 53.6 |
| 1970 | 60.2 | 36 |
| 1969 | 61.8 | 40.1 |
| 1968 | 67.2 | 44 |
| 1967 | 47.7 | 36.6 |
| 1966 | 61.6 | 48.6 |
| 1965 | 68.4 | 51.2 |
| 1964 | 63 | 32.2 |
| 1963 | 59.1 | 41.1 |
| 1962 | 62.5 | 35.8 |
| 1961 | 57 | 31 |
| 1960 | 61.5 | 46.1 |
| 1959 | 65.5 | 46.3 |
| 1958 | 65.6 | 40.9 |
| 1957 | 66.5 | 32.3 |
| 1956 | 72.9 | 53.1 |
| 1955 | 68.9 | 47.1 |
| 1954 | 72.5 | 56 |
| 1953 | 86.6 | 50.2 |
| 1952 | 77.6 | 50.7 |
| 1951 | 56.6 | 29.8 |
Nearby
Milwaukee, WI 20.4 mi, the nearest city with its own station