Armstrong County, PA
: September 2026 so far averaged 66.6°F in Armstrong County, PA, the warmest 1 to 29 September in the county average since 2018, tied 5th warmest of 76 (with 1970) (county average from NOAA gridded data, 1951 to 2026).
Last updated . This page normally updates every day; the latest update is late.
- High
- 64.2°F
- Coldest since 2022
- 24th coldest of 76
- Low
- 54.7°F
- Warmest since 2024
- 12th warmest of 76
- Precipitation
- 0.02 in
- Wettest since 2024
- 29th wettest of 76
- Normal range, 60.8 to 76.5°F
Every year as a table
Every 29 September low of the county average in Armstrong County, PA since 1951: 54.7°F in 2026; the lowest is 31.1°F, in 1957.
| Year | High, °F | Low, °F |
|---|---|---|
| 2026 | 64.2 | 54.7 |
| 2025 | 82.8 | 52.4 |
| 2024 | 74.4 | 64 |
| 2023 | 67.2 | 52.5 |
| 2022 | 59.7 | 44.8 |
| 2021 | 72.6 | 49.3 |
| 2020 | 79.4 | 54.2 |
| 2019 | 83.1 | 58 |
| 2018 | 69.8 | 50.1 |
| 2017 | 69.4 | 43.7 |
| 2016 | 73.6 | 44 |
| 2015 | 71.1 | 61.9 |
| 2014 | 75 | 49.2 |
| 2013 | 73.1 | 44.9 |
| 2012 | 62 | 42.7 |
| 2011 | 71.2 | 54.6 |
| 2010 | 64 | 52.3 |
| 2009 | 63.2 | 51.3 |
| 2008 | 73.3 | 53.5 |
| 2007 | 68.9 | 42.8 |
| 2006 | 60 | 42.4 |
| 2005 | 75.1 | 43.3 |
| 2004 | 69.1 | 51.9 |
| 2003 | 59.3 | 43.8 |
| 2002 | 71 | 46.8 |
| 2001 | 61.3 | 41.8 |
| 2000 | 61.5 | 34 |
| 1999 | 78.7 | 59.7 |
| 1998 | 73.9 | 43.5 |
| 1997 | 68.9 | 48.7 |
| 1996 | 65.5 | 47.2 |
| 1995 | 76.2 | 43.4 |
| 1994 | 60.9 | 46.5 |
| 1993 | 55.2 | 40.9 |
| 1992 | 65.9 | 40.9 |
| 1991 | 64.2 | 34.3 |
| 1990 | 76.5 | 47.2 |
| 1989 | 70.2 | 36.2 |
| 1988 | 72.1 | 47.1 |
| 1987 | 79.6 | 48.1 |
| 1986 | 79.2 | 61.9 |
| 1985 | 70.3 | 40 |
| 1984 | 50.1 | 39.5 |
| 1983 | 72.1 | 44.3 |
| 1982 | 63.3 | 48.6 |
| 1981 | 57.8 | 35.5 |
| 1980 | 68.4 | 41.8 |
| 1979 | 63.6 | 57.7 |
| 1978 | 63.9 | 34.5 |
| 1977 | 65 | 41.9 |
| 1976 | 60 | 40.1 |
| 1975 | 69 | 40 |
| 1974 | 74.5 | 56.1 |
| 1973 | 72.6 | 63 |
| 1972 | 71.6 | 56.6 |
| 1971 | 81.8 | 61.5 |
| 1970 | 57.6 | 38.8 |
| 1969 | 61 | 37.2 |
| 1968 | 67.2 | 38.9 |
| 1967 | 57.5 | 48 |
| 1966 | 64.4 | 43 |
| 1965 | 70 | 39.4 |
| 1964 | 53.7 | 44.6 |
| 1963 | 75.9 | 48.5 |
| 1962 | 54.6 | 44.9 |
| 1961 | 64.4 | 33.7 |
| 1960 | 72.5 | 53.3 |
| 1959 | 87.8 | 59.8 |
| 1958 | 63.1 | 34.8 |
| 1957 | 66.2 | 31.1 |
| 1956 | 69.8 | 46.1 |
| 1955 | 74.6 | 46 |
| 1954 | 84.8 | 52.6 |
| 1953 | 81.1 | 44.2 |
| 1952 | 80.9 | 43.3 |
| 1951 | 57.3 | 33.8 |
The month
August 2026 averaged 70.2°F in Armstrong County, PA, the warmest August in the county average since 2024, tied 41st warmest of 132 (with 2024, 2022 and 1935) (county average from NOAA's monthly county data, 1895 to 2026).
The month in words
- Tuesday 29 September 2026: a high of 64.2°F averaged over Armstrong County, PA, the coldest 29 September day in the county average since 2022, tied 24th coldest of 76 (with 1991) (county average from NOAA gridded data, 1951 to 2026).
- Tuesday 29 September 2026: a low of 54.7°F averaged over Armstrong County, PA, the warmest 29 September night in the county average since 2024, 12th warmest of 76 (county average from NOAA gridded data, 1951 to 2026).
- Tuesday 29 September 2026: 0.02 in of precipitation averaged over Armstrong County, PA, the wettest 29 September in the county average since 2024, tied 29th wettest of 76 (with 2001 and 1982) (county average from NOAA gridded data, 1951 to 2026).
- Days of the month without a value
- 0
Nearby
Pittsburgh, PA 45.4 mi, the nearest city with its own station