Benton County, WA
: September 2026 so far averaged 62.1°F in Benton County, WA, the coldest 1 to 29 September in the county average since 2000, tied 16th coldest of 76 (with 2000) (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 73.2°F averaged over Benton County, WA, the coldest 29 September day in the county average since 2023, 33rd coldest of 76 (county average from NOAA gridded data, 1951 to 2026).
- Tuesday 29 September 2026: a low of 40.3°F averaged over Benton County, WA, the coldest 29 September night in the county average since 2019, 13th coldest of 76 (county average from NOAA gridded data, 1951 to 2026).
- No measurable precipitation in the county average of Benton County, WA for 4 days to Tuesday 29 September 2026 (county average from NOAA gridded data, 1951 to 2026).
The month
- August 2026 averaged 73.8°F in Benton County, WA, the warmest August in the county average since 2025, tied 25th warmest of 132 (with 1942) (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 | 73.2 | 40.3 |
| 2025 | 81.8 | 51 |
| 2024 | 78.2 | 51.5 |
| 2023 | 68.6 | 44.6 |
| 2022 | 78 | 53.4 |
| 2021 | 66.1 | 46 |
| 2020 | 75.8 | 43.6 |
| 2019 | 53 | 39.3 |
| 2018 | 76.1 | 47.8 |
| 2017 | 80.1 | 47.8 |
| 2016 | 79.1 | 50.6 |
| 2015 | 72.8 | 40.4 |
| 2014 | 76.2 | 51.9 |
| 2013 | 69.8 | 49.7 |
| 2012 | 76.9 | 49.3 |
| 2011 | 69.9 | 41 |
| 2010 | 85.8 | 55.7 |
| 2009 | 74.1 | 42.2 |
| 2008 | 78.3 | 44 |
| 2007 | 61.5 | 39.8 |
| 2006 | 86 | 50.1 |
| 2005 | 81.1 | 46.7 |
| 2004 | 83.3 | 51.7 |
| 2003 | 84.1 | 51.5 |
| 2002 | 73.3 | 45.4 |
| 2001 | 69.9 | 39.7 |
| 2000 | 77.6 | 51.9 |
| 1999 | 69.2 | 36.5 |
| 1998 | 79.6 | 47.9 |
| 1997 | 78.2 | 48.6 |
| 1996 | 87.1 | 52.2 |
| 1995 | 67.9 | 46.5 |
| 1994 | 84 | 55.5 |
| 1993 | 80.9 | 47.1 |
| 1992 | 72.4 | 41.1 |
| 1991 | 81.1 | 51.2 |
| 1990 | 82.4 | 49.3 |
| 1989 | 82.4 | 49.6 |
| 1988 | 71.6 | 43 |
| 1987 | 74.3 | 41.8 |
| 1986 | 64.8 | 49.2 |
| 1985 | 61.3 | 30.5 |
| 1984 | 63.9 | 35.3 |
| 1983 | 62.1 | 29.3 |
| 1982 | 64.4 | 46.5 |
| 1981 | 67.7 | 43.3 |
| 1980 | 76.6 | 49 |
| 1979 | 72.6 | 43.2 |
| 1978 | 75.1 | 46.1 |
| 1977 | 55.8 | 45.3 |
| 1976 | 84.6 | 52.7 |
| 1975 | 77.4 | 44.1 |
| 1974 | 77.6 | 40.6 |
| 1973 | 78.7 | 47 |
| 1972 | 65.9 | 37.2 |
| 1971 | 58.6 | 37.2 |
| 1970 | 79.7 | 43.6 |
| 1969 | 77.3 | 51.8 |
| 1968 | 74.8 | 44.9 |
| 1967 | 86.3 | 53.5 |
| 1966 | 81.8 | 53.3 |
| 1965 | 69.5 | 42 |
| 1964 | 75 | 50.6 |
| 1963 | 86.8 | 58.6 |
| 1962 | 62.8 | 47 |
| 1961 | 62.6 | 38.3 |
| 1960 | 79.1 | 44.8 |
| 1959 | 61.7 | 42.2 |
| 1958 | 80.1 | 50.3 |
| 1957 | 70.4 | 47.6 |
| 1956 | 70.1 | 45.5 |
| 1955 | 64.7 | 39.3 |
| 1954 | 60 | 35.2 |
| 1953 | 64.3 | 41.3 |
| 1952 | 79.9 | 44.5 |
| 1951 | 70.3 | 50.3 |
Nearby
Tri-Cities, WA 19.3 mi, the nearest city with its own station