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Chattanooga, TN Weather on August 27
August 27th in Chattanooga, TN typically brings hot summer weather, with average highs around 90°F and lows near 69°F. Over 55 years of records, the warmest August 27th was in 2023 (86°F average), while the coldest was 2025 (68°F) — a 18°F range across recorded history. Rain or other precipitation has occurred on about 31% of August 27th dates historically, with the wettest August 27th recording 1.64" of rain. The last decade has been 1.9°F warmer on this date compared to 20-30 years ago.
What to Expect on August 27
Planning for August 27th in Chattanooga, TN? Stay hydrated and seek shade during peak afternoon hours. Consider bringing rain gear or an umbrella.
August 27 Weather Records for Chattanooga
- •The all-time record high for August 27th in Chattanooga, TN is 98°F, set in 2007.
- •The coldest August 27th on record dropped to 55°F in 2025.
- •Temperatures have reached 90°F or higher on August 27th in 29 of the last 55 years.
Frequently Asked Questions
What was the warmest August 27 ever in Chattanooga?
The warmest August 27 in Chattanooga, TN reached 98°F in 2007. That is 8°F above the long-term average high of 90°F.
What was the coldest August 27 ever in Chattanooga?
The coldest August 27 in Chattanooga, TN dropped to 55°F in 2025. That is 14°F below the long-term average low of 69°F.
What is the average temperature on August 27 in Chattanooga?
On August 27, Chattanooga averages a high of 90°F and a low of 69°F based on 55 years of NOAA weather observations from CHATTANOOGA AP.
How many years of weather data are available for August 27 in Chattanooga?
We have 55 years of weather records for August 27 in Chattanooga, TN, sourced from NOAA's Global Historical Climatology Network. Records include daily high and low temperatures, precipitation, and snowfall data going back to 2025.
August 27 Weather History in Chattanooga
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2025 | 81°F | 55°F | 0" | -- |
| 2024 | 97°F | 65°F | 0" | -- |
| 2023 | 96°F | 76°F | 0" | -- |
| 2022 | 92°F | 69°F | 0" | -- |
| 2021 | 92°F | 73°F | 0" | -- |
| 2020 | 91°F | 75°F | 0.01" | -- |
| 2019 | 87°F | 71°F | 0.02" | -- |
| 2018 | 91°F | 69°F | 0" | -- |
| 2017 | 90°F | 67°F | 0" | -- |
| 2016 | 94°F | 73°F | 0" | -- |
| 2015 | 85°F | 66°F | 0" | -- |
| 2014 | 91°F | 67°F | 0" | -- |
| 2013 | 90°F | 66°F | 0" | -- |
| 2012 | 92°F | 67°F | 0" | -- |
| 2011 | 96°F | 70°F | 0" | -- |
| 2010 | 93°F | 71°F | 0" | -- |
| 2009 | 81°F | 69°F | 0.74" | -- |
| 2008 | 80°F | 72°F | 0.05" | -- |
| 2007 | 98°F | 72°F | 0" | -- |
| 2006 | 93°F | 71°F | 0" | -- |
| 2005 | 88°F | 71°F | 0" | -- |
| 2004 | 90°F | 68°F | 0" | -- |
| 2003 | 93°F | 72°F | 0.52" | -- |
| 2002 | 84°F | 64°F | 0" | -- |
| 2001 | 87°F | 69°F | 0" | -- |
| 2000 | 83°F | 68°F | 1.64" | -- |
| 1999 | 89°F | 66°F | 0" | -- |
| 1998 | 93°F | 68°F | 0" | -- |
| 1997 | 91°F | 67°F | 0" | -- |
| 1996 | 85°F | 67°F | 0" | -- |
| 1995 | 89°F | 73°F | 0.04" | -- |
| 1994 | 89°F | 67°F | 0" | -- |
| 1993 | 98°F | 72°F | 0.01" | -- |
| 1992 | 83°F | 68°F | 0.76" | -- |
| 1991 | 89°F | 71°F | 0" | -- |
| 1990 | 98°F | 71°F | 0" | -- |
| 1989 | 86°F | 71°F | 0" | -- |
| 1988 | 92°F | 62°F | 0" | -- |
| 1987 | 95°F | 71°F | 0" | -- |
| 1986 | 85°F | 70°F | 0.07" | -- |
| 1985 | 80°F | 69°F | 0" | -- |
| 1984 | 84°F | 69°F | 0.07" | -- |
| 1983 | 96°F | 70°F | 0" | -- |
| 1982 | 89°F | 69°F | 0.53" | -- |
| 1981 | 86°F | 64°F | 0" | -- |
| 1980 | 91°F | 64°F | 0" | -- |
| 1979 | 87°F | 72°F | 0" | -- |
| 1978 | 88°F | 70°F | 0.13" | -- |
| 1977 | 91°F | 74°F | 0.04" | -- |
| 1976 | 86°F | 70°F | 0.03" | -- |
| 1975 | 93°F | 70°F | 0.33" | -- |
| 1974 | 90°F | 69°F | 0.02" | -- |
| 1973 | 92°F | 67°F | 0" | -- |
| 1972 | 85°F | 62°F | 0" | -- |
| 1971 | 89°F | 68°F | 0" | -- |
Based on 55 years of data from NOAA station: CHATTANOOGA AP
Monthly Climate Averages
Historical temperature and precipitation averages for Chattanooga, TN, based on 55+ years of weather data.
Temperatures in Fahrenheit. Precipitation and snowfall in inches.