Kittitas County, WA
: September 2026 so far averaged 54.6°F in Kittitas County, WA, the coldest 1 to 29 September in the county average since 2005, 17th 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.
- High
- 63.5°F
- Coldest since 2023
- 30th coldest of 76
- Low
- 39.1°F
- Coldest since 2023
- 26th coldest of 76
- Precipitation
- 0.02 in
- Wettest since 2023
- 20th wettest of 76
- Normal range, 34.8 to 49.5°F
Every year as a table
Every 29 September high of the county average in Kittitas County, WA since 1951: 63.5°F in 2026; the highest is 82.8°F, in 1963.
| Year | High, °F | Low, °F |
|---|---|---|
| 2026 | 63.5 | 39.1 |
| 2025 | 72.1 | 47.6 |
| 2024 | 68.5 | 43.3 |
| 2023 | 54.4 | 37.7 |
| 2022 | 67.7 | 45.9 |
| 2021 | 54.2 | 38.4 |
| 2020 | 71.2 | 44.1 |
| 2019 | 43.5 | 31.5 |
| 2018 | 68.6 | 44.7 |
| 2017 | 72.8 | 46.1 |
| 2016 | 71 | 46.4 |
| 2015 | 66.3 | 39.2 |
| 2014 | 70.1 | 45.5 |
| 2013 | 53.8 | 39.8 |
| 2012 | 70.7 | 46.8 |
| 2011 | 60.6 | 35.1 |
| 2010 | 71.5 | 46.6 |
| 2009 | 64.6 | 36.3 |
| 2008 | 71.1 | 41.1 |
| 2007 | 51.5 | 31.7 |
| 2006 | 78.7 | 48.1 |
| 2005 | 71.5 | 40.6 |
| 2004 | 78 | 49.5 |
| 2003 | 81.3 | 52.2 |
| 2002 | 67.4 | 41.5 |
| 2001 | 62.7 | 36.1 |
| 2000 | 71 | 46.6 |
| 1999 | 60.9 | 31.5 |
| 1998 | 74 | 45 |
| 1997 | 65.7 | 43.7 |
| 1996 | 79.2 | 49.6 |
| 1995 | 56.6 | 39.6 |
| 1994 | 79 | 52.9 |
| 1993 | 78.3 | 48.6 |
| 1992 | 69.3 | 38.6 |
| 1991 | 74.5 | 48.5 |
| 1990 | 77.2 | 48.1 |
| 1989 | 77.4 | 46 |
| 1988 | 65.7 | 37.3 |
| 1987 | 69 | 39.8 |
| 1986 | 52.8 | 42.3 |
| 1985 | 55.3 | 30.7 |
| 1984 | 58.1 | 32.1 |
| 1983 | 56.4 | 28.1 |
| 1982 | 52.4 | 38.2 |
| 1981 | 55.9 | 36.6 |
| 1980 | 65.4 | 44.5 |
| 1979 | 64 | 37.8 |
| 1978 | 63.9 | 42.7 |
| 1977 | 50.8 | 40.6 |
| 1976 | 78.5 | 47.8 |
| 1975 | 65.7 | 38.2 |
| 1974 | 62.2 | 32.3 |
| 1973 | 74.9 | 44.6 |
| 1972 | 56 | 33.1 |
| 1971 | 48.7 | 33.3 |
| 1970 | 76.1 | 41.7 |
| 1969 | 62.2 | 48.3 |
| 1968 | 70.7 | 41.5 |
| 1967 | 78.2 | 46.8 |
| 1966 | 73.2 | 50.6 |
| 1965 | 62 | 37.6 |
| 1964 | 65.1 | 43.7 |
| 1963 | 82.8 | 52.4 |
| 1962 | 51 | 40.7 |
| 1961 | 49.4 | 34.6 |
| 1960 | 74.3 | 41 |
| 1959 | 56.9 | 39.1 |
| 1958 | 70.2 | 43.8 |
| 1957 | 66.3 | 41 |
| 1956 | 55.5 | 40.1 |
| 1955 | 50.6 | 37.2 |
| 1954 | 55 | 35.9 |
| 1953 | 49.6 | 35.7 |
| 1952 | 72.9 | 43.3 |
| 1951 | 60.5 | 43.1 |
The month
August 2026 averaged 66.1°F in Kittitas County, WA, the warmest August in the county average since 2025, tied 21st warmest of 132 (with 2019) (county average from NOAA's monthly county data, 1895 to 2026).
The month in words
- Tuesday 29 September 2026: a high of 63.5°F averaged over Kittitas County, WA, the coldest 29 September day in the county average since 2023, 30th coldest of 76 (county average from NOAA gridded data, 1951 to 2026).
- Tuesday 29 September 2026: a low of 39.1°F averaged over Kittitas County, WA, the coldest 29 September night in the county average since 2023, tied 26th coldest of 76 (with 1959) (county average from NOAA gridded data, 1951 to 2026).
- Tuesday 29 September 2026: 0.02 in of precipitation averaged over Kittitas County, WA, the wettest 29 September in the county average since 2023, tied 20th wettest of 76 (with 1978 and 1967) (county average from NOAA gridded data, 1951 to 2026).
- Days of the month without a value
- 0
Nearby
Yakima, WA 39.3 mi, the nearest city with its own station