Winnebago County, WI
: September 2026 so far brought 5.85 in of precipitation in Winnebago County, WI, the wettest 1 to 29 September in the county average since 2019, tied 8th wettest of 76 (with 1978) (county average from NOAA gridded data, 1951 to 2026).
Last updated . This page normally updates every day; the latest update is late.
- High
- 75.5°F
- Warmest since 2025
- 12th warmest of 76
- Low
- 48.7°F
- Warmest since 2024
- 22nd warmest of 76
No measurable precipitation in the county average of Winnebago County, WI for 9 days to Tuesday 29 September 2026 (county average from NOAA gridded data, 1951 to 2026).
- Normal range, 34.2 to 51.4°F
Every year as a table
Every 29 September high of the county average in Winnebago County, WI since 1951: 75.5°F in 2026; the highest is 80.9°F, in 1953.
| Year | High, °F | Low, °F |
|---|---|---|
| 2026 | 75.5 | 48.7 |
| 2025 | 77.2 | 47.9 |
| 2024 | 78 | 54.7 |
| 2023 | 67.8 | 51.4 |
| 2022 | 56.2 | 34.4 |
| 2021 | 71.8 | 46.4 |
| 2020 | 59.8 | 43.7 |
| 2019 | 62.1 | 49.4 |
| 2018 | 53.5 | 33.6 |
| 2017 | 70.5 | 46 |
| 2016 | 63.5 | 50.3 |
| 2015 | 79.2 | 52.9 |
| 2014 | 79.2 | 51.8 |
| 2013 | 77.5 | 45.9 |
| 2012 | 70.6 | 37.5 |
| 2011 | 67.3 | 48.2 |
| 2010 | 65.4 | 47.9 |
| 2009 | 57 | 44.5 |
| 2008 | 59 | 51.4 |
| 2007 | 69.3 | 44 |
| 2006 | 56.6 | 38.2 |
| 2005 | 63.9 | 39.1 |
| 2004 | 64.2 | 35.3 |
| 2003 | 52.1 | 33.7 |
| 2002 | 69.5 | 45.5 |
| 2001 | 56.5 | 37.1 |
| 2000 | 63.8 | 40.2 |
| 1999 | 55.7 | 43.3 |
| 1998 | 72.9 | 48.5 |
| 1997 | 70.8 | 55.1 |
| 1996 | 61.8 | 47.5 |
| 1995 | 77.7 | 49.6 |
| 1994 | 62.5 | 40.3 |
| 1993 | 50.4 | 36.2 |
| 1992 | 55.4 | 30.9 |
| 1991 | 61.1 | 34.2 |
| 1990 | 62.7 | 46.4 |
| 1989 | 73.1 | 43.1 |
| 1988 | 58 | 49.7 |
| 1987 | 75.5 | 51 |
| 1986 | 75.2 | 59.4 |
| 1985 | 63.8 | 44.1 |
| 1984 | 51 | 28.9 |
| 1983 | 78.5 | 51.9 |
| 1982 | 70.6 | 50.8 |
| 1981 | 59.4 | 39.1 |
| 1980 | 65 | 46.1 |
| 1979 | 79.7 | 52 |
| 1978 | 62.2 | 44.1 |
| 1977 | 66.5 | 49.9 |
| 1976 | 66.7 | 39.9 |
| 1975 | 65.6 | 41.1 |
| 1974 | 61.8 | 41.8 |
| 1973 | 62.3 | 53.4 |
| 1972 | 60.5 | 37 |
| 1971 | 77.2 | 48.3 |
| 1970 | 64.6 | 35.6 |
| 1969 | 57.8 | 40.4 |
| 1968 | 65.7 | 40.8 |
| 1967 | 50.2 | 32.3 |
| 1966 | 59.8 | 45.9 |
| 1965 | 59.9 | 48.2 |
| 1964 | 62.3 | 30.8 |
| 1963 | 57.7 | 40.1 |
| 1962 | 62 | 33.6 |
| 1961 | 54.8 | 29.1 |
| 1960 | 58.2 | 43.5 |
| 1959 | 63.2 | 44.7 |
| 1958 | 65 | 40.8 |
| 1957 | 67.4 | 30.8 |
| 1956 | 68.4 | 49.7 |
| 1955 | 71 | 46.1 |
| 1954 | 70.6 | 52.1 |
| 1953 | 80.9 | 48.8 |
| 1952 | 78.1 | 49.6 |
| 1951 | 55.6 | 28.3 |
The month
September 2026 so far averaged 63.8°F in Winnebago County, WI, the warmest 1 to 29 September in the county average since 2025, tied 12th warmest of 76 (with 2018) (county average from NOAA gridded data, 1951 to 2026).
The month in words
- August 2026 averaged 69.5°F in Winnebago County, WI, the warmest August in the county average since 2024, tied 41st warmest of 132 (with 2023 and 2022) (county average from NOAA's monthly county data, 1895 to 2026).
- Tuesday 29 September 2026: a high of 75.5°F averaged over Winnebago County, WI, the warmest 29 September in the county average since 2025, tied 12th warmest of 76 (with 1987) (county average from NOAA gridded data, 1951 to 2026).
- Tuesday 29 September 2026: a low of 48.7°F averaged over Winnebago County, WI, the warmest 29 September night in the county average since 2024, 22nd warmest of 76 (county average from NOAA gridded data, 1951 to 2026).
- Days of the month without a value
- 0
Nearby
Green Bay, WI 37.8 mi, the nearest city with its own station