Washington County, ID
: September 2026 so far averaged 58.5°F in Washington County, ID, the coldest 1 to 29 September in the county average since 1996, 14th coldest 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 69.8°F averaged over Washington County, ID, the coldest 29 September day in the county average since 2023, tied 30th coldest of 76 (with 1951) (county average from NOAA gridded data, 1951 to 2026).
- Tuesday 29 September 2026: a low of 40.5°F averaged over Washington County, ID, the coldest 29 September night in the county average since 2023, tied 25th coldest of 76 (with 1997 and 1964) (county average from NOAA gridded data, 1951 to 2026).
- No measurable precipitation in the county average of Washington County, ID for 10 days to Tuesday 29 September 2026 (county average from NOAA gridded data, 1951 to 2026).
The month
- August 2026 averaged 74.5°F in Washington County, ID, the warmest August in the county average since 2022, 3rd warmest of 132 (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 | 69.8 | 40.5 |
| 2025 | 79.7 | 49.8 |
| 2024 | 83 | 49.5 |
| 2023 | 62.8 | 37.9 |
| 2022 | 81.7 | 56 |
| 2021 | 55.7 | 37.1 |
| 2020 | 72 | 40.7 |
| 2019 | 48.9 | 32.9 |
| 2018 | 76.8 | 46.7 |
| 2017 | 73.4 | 45 |
| 2016 | 84.5 | 53.3 |
| 2015 | 77.9 | 44.2 |
| 2014 | 64.5 | 49 |
| 2013 | 59.4 | 41.6 |
| 2012 | 74.2 | 49.3 |
| 2011 | 73.5 | 41.6 |
| 2010 | 85.6 | 51.6 |
| 2009 | 75.1 | 45.9 |
| 2008 | 78.5 | 45 |
| 2007 | 63.7 | 35 |
| 2006 | 81.1 | 47.8 |
| 2005 | 74 | 39.3 |
| 2004 | 80.7 | 49.6 |
| 2003 | 84.8 | 51.9 |
| 2002 | 67.3 | 38.8 |
| 2001 | 67.6 | 43.7 |
| 2000 | 77 | 49.6 |
| 1999 | 60.6 | 29.6 |
| 1998 | 76.7 | 49 |
| 1997 | 72.3 | 40.5 |
| 1996 | 79.7 | 45.8 |
| 1995 | 62.1 | 42.8 |
| 1994 | 83.5 | 51.7 |
| 1993 | 80.6 | 46.1 |
| 1992 | 78.6 | 43.4 |
| 1991 | 68 | 50.4 |
| 1990 | 81.6 | 52.1 |
| 1989 | 81.4 | 51.5 |
| 1988 | 68.2 | 37.8 |
| 1987 | 72.3 | 37.2 |
| 1986 | 53.2 | 38.9 |
| 1985 | 56.8 | 29.2 |
| 1984 | 64.4 | 35 |
| 1983 | 62 | 32.9 |
| 1982 | 53.8 | 42.7 |
| 1981 | 60.5 | 43.1 |
| 1980 | 72.5 | 42.7 |
| 1979 | 74.1 | 46.2 |
| 1978 | 71.5 | 40.6 |
| 1977 | 64.5 | 50.3 |
| 1976 | 78.8 | 45.8 |
| 1975 | 74.5 | 43.7 |
| 1974 | 71.5 | 35.5 |
| 1973 | 76.4 | 44.1 |
| 1972 | 60.5 | 33 |
| 1971 | 50.7 | 36.6 |
| 1970 | 78.4 | 42.7 |
| 1969 | 77.7 | 48.3 |
| 1968 | 72.1 | 42.9 |
| 1967 | 85.1 | 47.4 |
| 1966 | 77.7 | 47.1 |
| 1965 | 60.5 | 36.1 |
| 1964 | 73.9 | 40.5 |
| 1963 | 86.5 | 47.5 |
| 1962 | 57.3 | 36.8 |
| 1961 | 61.5 | 36.1 |
| 1960 | 77.6 | 45.6 |
| 1959 | 52.6 | 37.4 |
| 1958 | 73.3 | 43.6 |
| 1957 | 77.8 | 50.1 |
| 1956 | 67.9 | 38.4 |
| 1955 | 60 | 36.2 |
| 1954 | 56 | 35.5 |
| 1953 | 63.8 | 34.4 |
| 1952 | 78.9 | 41.3 |
| 1951 | 69.8 | 48 |
Nearby
Ontario, OR 31.7 mi, the nearest city with its own station