Winnebago County, IA
: September 2026 so far averaged 65.7°F in Winnebago County, IA, the warmest 1 to 29 September in the county average since 2019, 6th 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.
- Tuesday 29 September 2026: a high of 70.9°F averaged over Winnebago County, IA, the warmest 29 September in the county average since 2025, 29th warmest of 76 (county average from NOAA gridded data, 1951 to 2026).
- Tuesday 29 September 2026: a low of 55.3°F averaged over Winnebago County, IA, the warmest 29 September night in the county average since 2023, 4th warmest of 76 (county average from NOAA gridded data, 1951 to 2026).
- No measurable precipitation in the county average of Winnebago County, IA for 1 day to Tuesday 29 September 2026 (county average from NOAA gridded data, 1951 to 2026).
The month
- August 2026 averaged 69.9°F in Winnebago County, IA, the warmest August in the county average since 2023, tied 45th warmest of 132 (with 1990, 1978 and 1976) (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 | 70.9 | 55.3 |
| 2025 | 81.7 | 48.9 |
| 2024 | 83.8 | 52.5 |
| 2023 | 72.2 | 59.4 |
| 2022 | 61.5 | 32.6 |
| 2021 | 83 | 54.3 |
| 2020 | 56.9 | 43.8 |
| 2019 | 67 | 48.2 |
| 2018 | 53.5 | 34 |
| 2017 | 75.9 | 44.7 |
| 2016 | 61.4 | 45.4 |
| 2015 | 78.5 | 51.7 |
| 2014 | 79.4 | 54.5 |
| 2013 | 69.1 | 43.2 |
| 2012 | 75.5 | 41.9 |
| 2011 | 80 | 51.2 |
| 2010 | 71.4 | 49.3 |
| 2009 | 59.4 | 40 |
| 2008 | 68.9 | 54.9 |
| 2007 | 70.2 | 41.3 |
| 2006 | 56.5 | 39.4 |
| 2005 | 58 | 35.3 |
| 2004 | 65.9 | 36.6 |
| 2003 | 56.1 | 33.2 |
| 2002 | 65.4 | 47 |
| 2001 | 72.3 | 42.1 |
| 2000 | 77.7 | 45 |
| 1999 | 64.8 | 33.9 |
| 1998 | 79.3 | 51.1 |
| 1997 | 74.6 | 49.9 |
| 1996 | 64.9 | 43.5 |
| 1995 | 76.8 | 53 |
| 1994 | 67.8 | 41.3 |
| 1993 | 56 | 32.8 |
| 1992 | 56.2 | 29.6 |
| 1991 | 65.6 | 33.8 |
| 1990 | 65.8 | 45.6 |
| 1989 | 78.7 | 44.9 |
| 1988 | 59.4 | 52.2 |
| 1987 | 71.2 | 52.4 |
| 1986 | 76 | 53.6 |
| 1985 | 42.6 | 37 |
| 1984 | 51.2 | 27.5 |
| 1983 | 79.5 | 59.5 |
| 1982 | 73.6 | 54.7 |
| 1981 | 66.8 | 37.3 |
| 1980 | 75.7 | 50.7 |
| 1979 | 65.2 | 50.6 |
| 1978 | 69.5 | 43.5 |
| 1977 | 68.8 | 47.6 |
| 1976 | 62.8 | 34.9 |
| 1975 | 64.1 | 44.6 |
| 1974 | 59.1 | 31.2 |
| 1973 | 60.8 | 55.8 |
| 1972 | 60 | 34.4 |
| 1971 | 76.4 | 47.6 |
| 1970 | 70.6 | 41.4 |
| 1969 | 71.3 | 45.1 |
| 1968 | 58 | 43.4 |
| 1967 | 59.2 | 28.4 |
| 1966 | 66 | 45.5 |
| 1965 | 64.9 | 47.9 |
| 1964 | 65 | 35.9 |
| 1963 | 66.1 | 38.9 |
| 1962 | 65.7 | 37.9 |
| 1961 | 56.4 | 35 |
| 1960 | 61.6 | 41 |
| 1959 | 53.7 | 37.4 |
| 1958 | 72.6 | 45.5 |
| 1957 | 71.6 | 39.5 |
| 1956 | 68.1 | 38.3 |
| 1955 | 71.1 | 50.2 |
| 1954 | 66.7 | 53.5 |
| 1953 | 80.2 | 51.8 |
| 1952 | 81.8 | 45.7 |
| 1951 | 53.9 | 35.2 |
Nearby
Rochester, MN 72.4 mi, the nearest city with its own station