Cassia County, ID
An ordinary day in Cassia County, ID: was cooler than 54 of 75 earlier years in the county average (county average from NOAA gridded data, 1951 to 2026).
Last updated . This page normally updates every day; the latest update is late.
- High
- 64.6°F
- Coldest since 2023
- 22nd coldest of 76
- Low
- 45.3°F
- Warmest since 2025
- 21st warmest of 76
- Precipitation
- 0.01 in
- Wettest since 2025
- 15th wettest of 76
- Normal range, 60.8 to 80.1°F
Every year as a table
Every 29 September low of the county average in Cassia County, ID since 1951: 45.3°F in 2026; the lowest is 23.5°F, in 1985.
| Year | High, °F | Low, °F |
|---|---|---|
| 2026 | 64.6 | 45.3 |
| 2025 | 74.6 | 50.5 |
| 2024 | 85.8 | 49.9 |
| 2023 | 63.7 | 37.9 |
| 2022 | 80 | 50.7 |
| 2021 | 58.7 | 32.9 |
| 2020 | 67.8 | 35 |
| 2019 | 49.2 | 32.9 |
| 2018 | 80.1 | 45.3 |
| 2017 | 67.7 | 38.1 |
| 2016 | 76.2 | 48.1 |
| 2015 | 76.5 | 46.7 |
| 2014 | 59.7 | 42.8 |
| 2013 | 60.9 | 36.1 |
| 2012 | 76.7 | 46 |
| 2011 | 75.8 | 46.6 |
| 2010 | 85.2 | 50.3 |
| 2009 | 80.2 | 46 |
| 2008 | 79.4 | 44.9 |
| 2007 | 65.4 | 33.9 |
| 2006 | 76 | 42.9 |
| 2005 | 70.1 | 37.3 |
| 2004 | 76.4 | 47.6 |
| 2003 | 82.8 | 48.1 |
| 2002 | 63.9 | 37.9 |
| 2001 | 75.2 | 48.6 |
| 2000 | 78.9 | 49.8 |
| 1999 | 59.4 | 25 |
| 1998 | 74.4 | 43.3 |
| 1997 | 68.7 | 36.2 |
| 1996 | 75.1 | 40.2 |
| 1995 | 65.9 | 39.5 |
| 1994 | 79.1 | 47.8 |
| 1993 | 77.4 | 41.5 |
| 1992 | 80 | 42.7 |
| 1991 | 70.8 | 46.2 |
| 1990 | 74.5 | 46.1 |
| 1989 | 81 | 48.6 |
| 1988 | 60.8 | 34 |
| 1987 | 69.2 | 32.9 |
| 1986 | 49.9 | 28.7 |
| 1985 | 49.4 | 23.5 |
| 1984 | 60.9 | 29.3 |
| 1983 | 58.4 | 44.6 |
| 1982 | 48.4 | 34.2 |
| 1981 | 66.6 | 47 |
| 1980 | 73.4 | 39.9 |
| 1979 | 75.3 | 41.6 |
| 1978 | 75.3 | 43.4 |
| 1977 | 72.5 | 44.7 |
| 1976 | 72.8 | 39.6 |
| 1975 | 72.7 | 38.8 |
| 1974 | 67.1 | 34.5 |
| 1973 | 72.6 | 40.5 |
| 1972 | 55.1 | 33.1 |
| 1971 | 52.5 | 32.2 |
| 1970 | 75.3 | 37 |
| 1969 | 75.4 | 44.3 |
| 1968 | 66.8 | 42.5 |
| 1967 | 79.5 | 43 |
| 1966 | 71.2 | 44.8 |
| 1965 | 53.3 | 35.6 |
| 1964 | 72.3 | 38.3 |
| 1963 | 82.3 | 44.2 |
| 1962 | 63.5 | 41.4 |
| 1961 | 59.3 | 36.2 |
| 1960 | 74.2 | 41.6 |
| 1959 | 49.2 | 28.1 |
| 1958 | 70.4 | 40.4 |
| 1957 | 79.9 | 49.9 |
| 1956 | 65.9 | 33.9 |
| 1955 | 59.6 | 31.2 |
| 1954 | 56.5 | 30.3 |
| 1953 | 69.1 | 42.4 |
| 1952 | 74.8 | 41.8 |
| 1951 | 71 | 45.6 |
The month
September 2026 so far averaged 59.5°F in Cassia County, ID, the warmest 1 to 29 September in the county average since 2025, 31st warmest of 76 (county average from NOAA gridded data, 1951 to 2026).
The month in words
- August 2026 averaged 72.2°F in Cassia County, ID, the warmest August in the county average since 2001, tied 1st warmest of 132 (with 2001) (county average from NOAA's monthly county data, 1895 to 2026).
- Tuesday 29 September 2026: a high of 64.6°F averaged over Cassia County, ID, the coldest 29 September day in the county average since 2023, 22nd coldest of 76 (county average from NOAA gridded data, 1951 to 2026).
- Tuesday 29 September 2026: a low of 45.3°F averaged over Cassia County, ID, the warmest 29 September night in the county average since 2025, tied 21st warmest of 76 (with 2018) (county average from NOAA gridded data, 1951 to 2026).
- Tuesday 29 September 2026: 0.01 in of precipitation averaged over Cassia County, ID, the wettest 29 September in the county average since 2025, tied 15th wettest of 76 (with 2022) (county average from NOAA gridded data, 1951 to 2026).
- Days of the month without a value
- 0
Nearby
Burley, ID 19.6 mi, the nearest city with its own station