Weather on August 18 at Great Smoky Mountains
Great Smoky Mountains National Park
Based on 55 years of data from Gatlinburg, TN
Elevation Note: Great Smoky Mountains sits at 4,900 ft. Expect temperatures 17°F cooler than the data shown below, which comes from Gatlinburg, TN at a lower elevation.
Planning Your Visit
August 18th in Great Smoky Mountains National Park (via Gatlinburg, TN) typically brings warm summer weather, with average highs around 83°F and lows near 62°F. Over 55 years of records, the warmest August 18th was in 1988 (80°F average), while the coldest was 1979 (65°F) — a 15°F range across recorded history. Rain or other precipitation has occurred on about 45% of August 18th dates historically, with the wettest August 18th recording 10.46" of rain. Temperatures on this date have remained relatively stable over the past several decades.
Temperatures on this date have remained relatively stable over the past several decades.
Planning for August 18th in Great Smoky Mountains? Stay hydrated and seek shade during peak afternoon hours. Consider bringing rain gear or an umbrella.
Year by Year History
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2025 | 85°F | 64°F | 0" | 0" |
| 2024 | 85°F | 66°F | 0.38" | 0" |
| 2023 | 80°F | 57°F | 0" | 0" |
| 2022 | 76°F | 58°F | 0" | 0" |
| 2021 | 69°F | 65°F | 10.46" | 0" |
| 2020 | 79°F | 57°F | 0" | 0" |
| 2019 | 86°F | 60°F | 0" | 0" |
| 2018 | 84°F | 66°F | 0.13" | 0" |
| 2017 | 87°F | 66°F | 0" | 0" |
| 2016 | 90°F | 66°F | 0.13" | 0" |
| 2015 | 79°F | 64°F | 0.51" | 0" |
| 2014 | 82°F | 62°F | 0.3" | 0" |
| 2013 | 70°F | 60°F | 0.33" | 0" |
| 2012 | 76°F | 62°F | 0" | 0" |
| 2011 | 88°F | 57°F | 0" | 0" |
| 2010 | 85°F | 62°F | 1.57" | 0" |
| 2009 | 85°F | 65°F | 0" | 0" |
| 2008 | 85°F | 55°F | 0" | 0" |
| 2007 | 93°F | 61°F | 0" | 0" |
| 2006 | 88°F | 63°F | 0" | 0" |
| 2005 | 70°F | 62°F | 0.81" | -- |
| 2004 | 79°F | 59°F | 0" | 0" |
| 2003 | 86°F | 63°F | 0" | 0" |
| 2002 | 83°F | 63°F | 1.02" | 0" |
| 2001 | 84°F | 62°F | 0.51" | 0" |
| 2000 | 92°F | 66°F | 0" | 0" |
| 1999 | 93°F | 63°F | 0" | 0" |
| 1998 | 83°F | 55°F | 0" | 0" |
| 1997 | 93°F | 65°F | 0.28" | 0" |
| 1996 | 81°F | 60°F | 0" | 0" |
| 1995 | 92°F | 64°F | 0" | 0" |
| 1994 | 76°F | 58°F | 0.03" | 0" |
| 1993 | 87°F | 64°F | 0" | 0" |
| 1992 | 77°F | 60°F | 0.13" | 0" |
| 1991 | 81°F | 58°F | 0" | 0" |
| 1990 | 87°F | 61°F | 0" | 0" |
| 1989 | 80°F | 59°F | 0.13" | 0" |
| 1988 | 94°F | 67°F | 0" | 0" |
| 1987 | 84°F | 65°F | 1.68" | -- |
| 1986 | -- | 67°F | 3.05" | 0" |
| 1985 | 75°F | 67°F | 0.81" | 0" |
| 1984 | 88°F | 61°F | 0.3" | 0" |
| 1983 | 84°F | 60°F | 0" | 0" |
| 1982 | 79°F | 61°F | -- | -- |
| 1981 | 82°F | 64°F | 0.25" | 0" |
| 1980 | 86°F | 63°F | 1.09" | 0" |
| 1979 | 79°F | 51°F | 0" | 0" |
| 1978 | 86°F | 64°F | 0" | 0" |
| 1977 | 78°F | 64°F | 6.4" | 0" |
| 1976 | 81°F | 54°F | 0" | 0" |
| 1975 | 86°F | 63°F | 0.79" | 0" |
| 1974 | 83°F | 59°F | 0" | 0" |
| 1973 | 75°F | 64°F | 0.43" | 0" |
| 1972 | 85°F | 60°F | 0" | 0" |
| 1971 | 78°F | 60°F | 1.55" | 0" |
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