Sweet Grass County, MT
An ordinary day in Sweet Grass County, MT: was cooler than 38 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.
- Tuesday 29 September 2026: a high of 65.7°F averaged over Sweet Grass County, MT, the coldest 29 September day in the county average since 2023, tied 36th coldest of 76 (with 2015 and 1958) (county average from NOAA gridded data, 1951 to 2026).
- Tuesday 29 September 2026: a low of 37.3°F averaged over Sweet Grass County, MT, the warmest 29 September night in the county average since 2025, tied 35th warmest of 76 (with 2011) (county average from NOAA gridded data, 1951 to 2026).
- Tuesday 29 September 2026: 0.01 in of precipitation averaged over Sweet Grass County, MT, the wettest 29 September in the county average since 2020, tied 17th wettest of 76 (with 2020 and 1965) (county average from NOAA gridded data, 1951 to 2026).
The month
- September 2026 so far averaged 55.8°F in Sweet Grass County, MT, the warmest 1 to 29 September in the county average since 2025, 25th warmest of 76 (county average from NOAA gridded data, 1951 to 2026).
- August 2026 averaged 65.5°F in Sweet Grass County, MT, the warmest August in the county average since 2022, 20th 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 | 65.7 | 37.3 |
| 2025 | 78.2 | 46.5 |
| 2024 | 78.5 | 44.1 |
| 2023 | 61.1 | 34.7 |
| 2022 | 80.3 | 48.3 |
| 2021 | 72.3 | 35.7 |
| 2020 | 66.6 | 34.1 |
| 2019 | 36.5 | 28.2 |
| 2018 | 40.4 | 31.9 |
| 2017 | 66 | 35.4 |
| 2016 | 68.6 | 42.7 |
| 2015 | 65.7 | 36.5 |
| 2014 | 45.6 | 41 |
| 2013 | 55.3 | 40 |
| 2012 | 74.6 | 42.2 |
| 2011 | 72.3 | 37.3 |
| 2010 | 83.8 | 48.9 |
| 2009 | 65.3 | 26.9 |
| 2008 | 66.4 | 36.2 |
| 2007 | 71.1 | 44 |
| 2006 | 73.3 | 43.9 |
| 2005 | 65.2 | 31.9 |
| 2004 | 65.5 | 36.5 |
| 2003 | 64.7 | 34.5 |
| 2002 | 58.4 | 33.6 |
| 2001 | 79.3 | 48.6 |
| 2000 | 74 | 41.4 |
| 1999 | 51.1 | 23.1 |
| 1998 | 69.7 | 41.9 |
| 1997 | 65.4 | 38 |
| 1996 | 70.9 | 36.7 |
| 1995 | 66.1 | 37.8 |
| 1994 | 79.9 | 44.3 |
| 1993 | 66.5 | 37.5 |
| 1992 | 72.6 | 36.5 |
| 1991 | 70.2 | 42.9 |
| 1990 | 62.8 | 35.7 |
| 1989 | 76.6 | 43.8 |
| 1988 | 57.6 | 37.2 |
| 1987 | 63.1 | 31.7 |
| 1986 | 48.6 | 34.6 |
| 1985 | 26.7 | 17.3 |
| 1984 | 42.7 | 19.8 |
| 1983 | 40.4 | 35.9 |
| 1982 | 39.8 | 34 |
| 1981 | 63.3 | 42.5 |
| 1980 | 72.1 | 40.7 |
| 1979 | 73.1 | 40.8 |
| 1978 | 64.5 | 40.1 |
| 1977 | 59.5 | 38 |
| 1976 | 70.4 | 38.5 |
| 1975 | 71.2 | 38.4 |
| 1974 | 60.4 | 32.5 |
| 1973 | 72.3 | 38.8 |
| 1972 | 46 | 22.1 |
| 1971 | 52 | 32.5 |
| 1970 | 74.3 | 36.4 |
| 1969 | 72.7 | 40 |
| 1968 | 62.8 | 37 |
| 1967 | 82.6 | 50 |
| 1966 | 67.5 | 44.5 |
| 1965 | 38.2 | 29.8 |
| 1964 | 62.1 | 33.5 |
| 1963 | 75.5 | 41.8 |
| 1962 | 65.2 | 43.4 |
| 1961 | 55.4 | 30.5 |
| 1960 | 66.3 | 33 |
| 1959 | 37.9 | 20.2 |
| 1958 | 65.7 | 34.7 |
| 1957 | 74.9 | 41.8 |
| 1956 | 55 | 34 |
| 1955 | 55 | 32.9 |
| 1954 | 37.2 | 30.6 |
| 1953 | 69.6 | 34.8 |
| 1952 | 72.2 | 38.9 |
| 1951 | 68.3 | 35.7 |
Nearby
Billings, MT 67.8 mi, the nearest city with its own station