Harrison County, MO
: September 2026 so far averaged 73.2°F in Harrison County, MO, the warmest 1 to 29 September in the county average since the data begin in 1951 (county average from NOAA gridded data, 1951 to 2026).
Last updated . This page normally updates every day; the latest update is late.
- High
- 77.3°F
- Warmest since 2025
- 25th warmest of 76
- Low
- 57.9°F
- Warmest since 2025
- 12th warmest of 76
No measurable precipitation in the county average of Harrison County, MO for 2 days to Tuesday 29 September 2026 (county average from NOAA gridded data, 1951 to 2026).
- Normal range, 36.5 to 56.2°F
Every year as a table
Every 29 September high of the county average in Harrison County, MO since 1951: 77.3°F in 2026; the highest is 96°F, in 1953.
| Year | High, °F | Low, °F |
|---|---|---|
| 2026 | 77.3 | 57.9 |
| 2025 | 87.7 | 58 |
| 2024 | 84.5 | 54.8 |
| 2023 | 82.5 | 55.7 |
| 2022 | 67.4 | 40.6 |
| 2021 | 91.2 | 57.4 |
| 2020 | 62.2 | 43.7 |
| 2019 | 65.2 | 55.5 |
| 2018 | 53.9 | 45.7 |
| 2017 | 77.4 | 47.4 |
| 2016 | 63.8 | 47.5 |
| 2015 | 83.8 | 57.5 |
| 2014 | 82.4 | 56.1 |
| 2013 | 69.9 | 44.2 |
| 2012 | 74.5 | 43.1 |
| 2011 | 81.4 | 52.4 |
| 2010 | 73.2 | 48.7 |
| 2009 | 65.5 | 42.2 |
| 2008 | 79.8 | 59.1 |
| 2007 | 77.7 | 46.4 |
| 2006 | 60.6 | 42.4 |
| 2005 | 63.3 | 36.5 |
| 2004 | 70.6 | 40.3 |
| 2003 | 61.4 | 35.1 |
| 2002 | 86 | 53 |
| 2001 | 72 | 43.1 |
| 2000 | 78.7 | 49.9 |
| 1999 | 61.6 | 42.3 |
| 1998 | 81.9 | 63 |
| 1997 | 76.5 | 50 |
| 1996 | 71 | 45.3 |
| 1995 | 79.3 | 52.2 |
| 1994 | 75.1 | 45.3 |
| 1993 | 67.9 | 36.2 |
| 1992 | 60.4 | 34.1 |
| 1991 | 75.7 | 43.4 |
| 1990 | 77.1 | 50.7 |
| 1989 | 74.9 | 41.5 |
| 1988 | 70.7 | 60.9 |
| 1987 | 73.3 | 51.8 |
| 1986 | 84.4 | 63.5 |
| 1985 | 56.9 | 42.8 |
| 1984 | 55.4 | 31 |
| 1983 | 84.8 | 60 |
| 1982 | 80.5 | 60.4 |
| 1981 | 74.3 | 47 |
| 1980 | 73.5 | 47.7 |
| 1979 | 82.7 | 51.4 |
| 1978 | 71.7 | 44.9 |
| 1977 | 73.1 | 50.1 |
| 1976 | 59.6 | 44.7 |
| 1975 | 67.9 | 47.1 |
| 1974 | 61.3 | 35.4 |
| 1973 | 70.1 | 51.5 |
| 1972 | 74.8 | 41.4 |
| 1971 | 88.5 | 64.7 |
| 1970 | 77.2 | 43.7 |
| 1969 | 75.5 | 53.5 |
| 1968 | 76.4 | 52.6 |
| 1967 | 60.6 | 32.6 |
| 1966 | 66.1 | 48 |
| 1965 | 77.1 | 55.4 |
| 1964 | 69.6 | 39.7 |
| 1963 | 74.5 | 43.6 |
| 1962 | 68.9 | 41.7 |
| 1961 | 67.2 | 41.8 |
| 1960 | 68.8 | 49.2 |
| 1959 | 63 | 40.3 |
| 1958 | 72.3 | 45.5 |
| 1957 | 70.6 | 37.6 |
| 1956 | 85.7 | 49 |
| 1955 | 79.1 | 58.6 |
| 1954 | 80.5 | 59.7 |
| 1953 | 96 | 65.4 |
| 1952 | 86.7 | 54.9 |
| 1951 | 60.9 | 37.8 |
The month
August 2026 averaged 75.2°F in Harrison County, MO, the warmest August in the county average since 2022, tied 32nd warmest of 132 (with 2022, 2011, 2006 and 3 other years) (county average from NOAA's monthly county data, 1895 to 2026).
The month in words
- Tuesday 29 September 2026: a high of 77.3°F averaged over Harrison County, MO, the warmest 29 September in the county average since 2025, 25th warmest of 76 (county average from NOAA gridded data, 1951 to 2026).
- Tuesday 29 September 2026: a low of 57.9°F averaged over Harrison County, MO, the warmest 29 September night in the county average since 2025, 12th warmest of 76 (county average from NOAA gridded data, 1951 to 2026).
- Days of the month without a value
- 0
Nearby
Kansas City, MO 82.3 mi, the nearest city with its own station