Jefferson County, OH
: September 2026 so far averaged 68.1°F in Jefferson County, OH, 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
- 65.8°F
- Coldest since 2022
- 26th coldest of 76
- Low
- 56.2°F
- Warmest since 2024
- 13th warmest of 76
No measurable precipitation in the county average of Jefferson County, OH for 5 days to Tuesday 29 September 2026 (county average from NOAA gridded data, 1951 to 2026).
- Normal range, 61.5 to 78.6°F
Every year as a table
Every 29 September low of the county average in Jefferson County, OH since 1951: 56.2°F in 2026; the lowest is 33.5°F, in 1961.
| Year | High, °F | Low, °F |
|---|---|---|
| 2026 | 65.8 | 56.2 |
| 2025 | 83.1 | 55.9 |
| 2024 | 74.8 | 64.2 |
| 2023 | 68.1 | 53.9 |
| 2022 | 57.5 | 43.7 |
| 2021 | 73.3 | 50 |
| 2020 | 79.5 | 53.4 |
| 2019 | 83.8 | 60.3 |
| 2018 | 69.9 | 50 |
| 2017 | 72.8 | 44.8 |
| 2016 | 75.5 | 46.9 |
| 2015 | 73.7 | 61.9 |
| 2014 | 76.6 | 50 |
| 2013 | 74.7 | 47.9 |
| 2012 | 65 | 44.3 |
| 2011 | 71.9 | 52.6 |
| 2010 | 61.8 | 51.5 |
| 2009 | 63.2 | 53 |
| 2008 | 72.2 | 57.6 |
| 2007 | 70.8 | 47.6 |
| 2006 | 58.2 | 44.5 |
| 2005 | 75.1 | 47.4 |
| 2004 | 69.7 | 52.7 |
| 2003 | 59 | 44.2 |
| 2002 | 72.1 | 49.8 |
| 2001 | 62.1 | 43.3 |
| 2000 | 63.1 | 35.8 |
| 1999 | 83.9 | 59.4 |
| 1998 | 75 | 46.7 |
| 1997 | 68.1 | 50.2 |
| 1996 | 64.8 | 46.2 |
| 1995 | 78.5 | 49.2 |
| 1994 | 62.5 | 47.6 |
| 1993 | 57.7 | 39.7 |
| 1992 | 67 | 43.1 |
| 1991 | 66.3 | 40.2 |
| 1990 | 73.9 | 50.8 |
| 1989 | 69.9 | 39.3 |
| 1988 | 75.8 | 51.4 |
| 1987 | 79.1 | 51.5 |
| 1986 | 81.5 | 65.1 |
| 1985 | 71.9 | 41.2 |
| 1984 | 53.2 | 38.6 |
| 1983 | 73.3 | 45.8 |
| 1982 | 66.8 | 48.2 |
| 1981 | 60.7 | 36.8 |
| 1980 | 71.7 | 42.8 |
| 1979 | 65.6 | 60.7 |
| 1978 | 64.3 | 35.8 |
| 1977 | 65.9 | 43.8 |
| 1976 | 59.4 | 42 |
| 1975 | 69.2 | 41.2 |
| 1974 | 74.4 | 57.7 |
| 1973 | 79.1 | 63.4 |
| 1972 | 73.1 | 58.7 |
| 1971 | 84.2 | 62.3 |
| 1970 | 59.8 | 40.7 |
| 1969 | 63.1 | 37.9 |
| 1968 | 69.2 | 41 |
| 1967 | 51.3 | 45.9 |
| 1966 | 64.9 | 43.7 |
| 1965 | 72 | 42.7 |
| 1964 | 54.2 | 46.7 |
| 1963 | 76.4 | 48.2 |
| 1962 | 52.3 | 46.6 |
| 1961 | 65.1 | 33.5 |
| 1960 | 71.9 | 52.6 |
| 1959 | 88 | 60.9 |
| 1958 | 64 | 39.2 |
| 1957 | 65.8 | 33.7 |
| 1956 | 71 | 45.8 |
| 1955 | 74.8 | 47.8 |
| 1954 | 85.2 | 53.6 |
| 1953 | 83.6 | 45.1 |
| 1952 | 81.6 | 44.2 |
| 1951 | 58 | 34.2 |
The month
August 2026 averaged 71°F in Jefferson County, OH, the warmest August in the county average since 2024, 57th 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 65.8°F averaged over Jefferson County, OH, the coldest 29 September day in the county average since 2022, tied 26th coldest of 76 (with 1957) (county average from NOAA gridded data, 1951 to 2026).
- Tuesday 29 September 2026: a low of 56.2°F averaged over Jefferson County, OH, the warmest 29 September night in the county average since 2024, 13th warmest of 76 (county average from NOAA gridded data, 1951 to 2026).
- Days of the month without a value
- 0
Nearby
Wheeling, WV 17.1 mi, the nearest city with its own station