Weather on August 18 at Cuyahoga Valley
Cuyahoga Valley National Park
Based on 56 years of data from Cleveland, OH
Planning Your Visit
August 18th in Cuyahoga Valley National Park (via Cleveland, OH) typically brings warm summer weather, with average highs around 80°F and lows near 64°F. Over 56 years of records, the warmest August 18th was in 2019 (81°F average), while the coldest was 1981 (61°F) — a 20°F range across recorded history. Rain or other precipitation has occurred on about 34% of August 18th dates historically, with the wettest August 18th recording 0.75" of rain. The last decade has been 2.6°F warmer on this date compared to 20-30 years ago.
The last decade has been 2.6°F warmer on this date compared to 20-30 years ago.
Planning for August 18th in Cuyahoga Valley? 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 |
|---|---|---|---|---|
| 2026 | 79°F | 65°F | 0" | -- |
| 2025 | 78°F | 67°F | 0" | -- |
| 2024 | 79°F | 69°F | 0.66" | -- |
| 2023 | 72°F | 66°F | -- | -- |
| 2022 | 78°F | 64°F | 0" | -- |
| 2021 | 80°F | 74°F | 0" | -- |
| 2020 | 75°F | 65°F | 0" | -- |
| 2019 | 92°F | 70°F | 0.68" | -- |
| 2018 | 79°F | 69°F | 0.02" | -- |
| 2017 | 83°F | 71°F | 0" | -- |
| 2016 | 81°F | 71°F | 0.01" | -- |
| 2015 | 83°F | 72°F | 0.34" | -- |
| 2014 | 75°F | 66°F | 0" | -- |
| 2013 | 77°F | 60°F | 0" | -- |
| 2012 | 74°F | 63°F | 0" | -- |
| 2011 | 83°F | 69°F | 0.04" | -- |
| 2010 | 80°F | 71°F | 0" | -- |
| 2009 | 87°F | 74°F | 0" | -- |
| 2008 | 84°F | 68°F | 0" | -- |
| 2007 | 70°F | 61°F | 0" | -- |
| 2006 | 83°F | 73°F | 0.01" | -- |
| 2005 | 89°F | 69°F | 0" | -- |
| 2004 | 88°F | 67°F | 0.1" | -- |
| 2003 | 78°F | 64°F | 0" | -- |
| 2002 | 79°F | 69°F | 0" | -- |
| 2001 | 76°F | 66°F | 0" | -- |
| 2000 | 72°F | 61°F | 0" | -- |
| 1999 | 74°F | 67°F | 0" | -- |
| 1998 | 79°F | 65°F | 0.28" | -- |
| 1997 | 73°F | 63°F | 0" | 0" |
| 1996 | 79°F | 52°F | 0" | 0" |
| 1995 | 87°F | 74°F | 0.05" | 0" |
| 1994 | 78°F | 58°F | 0" | 0" |
| 1993 | 85°F | 64°F | 0" | 0" |
| 1992 | 78°F | 53°F | 0.4" | 0" |
| 1991 | 80°F | 63°F | 0" | 0" |
| 1990 | 82°F | 69°F | 0.08" | 0" |
| 1989 | 78°F | 57°F | 0.04" | 0" |
| 1988 | 81°F | 62°F | 0.47" | 0" |
| 1987 | 83°F | 60°F | 0" | 0" |
| 1986 | 79°F | 69°F | 0" | 0" |
| 1985 | 85°F | 65°F | 0" | 0" |
| 1984 | 85°F | 60°F | 0.75" | 0" |
| 1983 | 81°F | 69°F | 0" | 0" |
| 1982 | 78°F | 52°F | 0" | 0" |
| 1981 | 75°F | 46°F | 0" | 0" |
| 1980 | 82°F | 61°F | 0" | 0" |
| 1979 | 79°F | 59°F | 0.46" | 0" |
| 1978 | 90°F | 65°F | 0" | 0" |
| 1977 | 73°F | 56°F | -- | 0" |
| 1976 | 76°F | 54°F | 0" | 0" |
| 1975 | 82°F | 63°F | 0.21" | 0" |
| 1974 | 80°F | 60°F | 0" | 0" |
| 1973 | 81°F | 61°F | 0.11" | 0" |
| 1972 | 85°F | 62°F | 0.05" | 0" |
| 1971 | 82°F | 56°F | 0" | 0" |