Weather on August 18
Norman, OK
55 Years of Data
Avg High
93°F
Avg Low
71°F
Warmest
1978
90°F avg
Coldest
1992
64°F avg
About This Date
August 18th in Norman, OK typically brings hot summer weather, with average highs around 93°F and lows near 71°F. Over 55 years of records, the warmest August 18th was in 1978 (90°F average), while the coldest was 1992 (64°F) — a 26°F range across recorded history. Rain or other precipitation has occurred on about 22% of August 18th dates historically, with the wettest August 18th recording 3.38" 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 Norman, OK? Stay hydrated and seek shade during peak afternoon hours.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 99° | 76° | 87° | — | — |
| 2024 | 102° | 76° | 89° | — | — |
| 2023 | 100° | 71° | 86° | — | — |
| 2022 | 86° | 69° | 78° | — | — |
| 2021 | 85° | 69° | 77° | — | — |
| 2020 | 90° | 65° | 77° | — | — |
| 2019 | 98° | 75° | 87° | 0.18" | — |
| 2018 | 89° | 72° | 80° | 0.76" | — |
| 2017 | 92° | 73° | 82° | — | — |
| 2016 | 88° | 71° | 79° | — | — |
| 2015 | 91° | 74° | 82° | — | — |
| 2014 | 101° | 69° | 85° | 1.3" | — |
| 2013 | 83° | 64° | 73° | — | — |
| 2012 | 79° | 65° | 72° | 2.9" | — |
| 2011 | 102° | 77° | 90° | — | — |
| 2010 | 92° | 72° | 82° | — | — |
| 2009 | 85° | 66° | 75° | 3.38" | — |
| 2008 | 80° | 66° | 73° | — | — |
| 2007 | 92° | 75° | 83° | 0.25" | — |
| 2006 | 101° | 78° | 89° | — | — |
| 2005 | 94° | 75° | 84° | — | — |
| 2004 | 86° | 67° | 76° | — | — |
| 2003 | 98° | 76° | 87° | — | — |
| 2002 | 96° | 75° | 86° | — | — |
| 2001 | 93° | 68° | 81° | — | — |
| 2000 | 90° | 71° | 80° | — | — |
| 1999 | 99° | 71° | 85° | — | — |
| 1998 | 99° | 71° | 85° | — | — |
| 1997 | 88° | 74° | 81° | 0.51" | — |
| 1996 | 92° | 69° | 80° | — | — |
| 1995 | 94° | 68° | 81° | — | — |
| 1994 | 95° | 67° | 81° | 0.15" | — |
| 1993 | 99° | 71° | 85° | — | — |
| 1992coldest | 68° | 60° | 64° | 1.3" | — |
| 1991 | 96° | 68° | 82° | — | — |
| 1990 | 93° | 72° | 82° | 0.79" | — |
| 1989 | 85° | 69° | 77° | 0.15" | — |
| 1988 | 95° | 74° | 84° | — | — |
| 1987 | 95° | 72° | 83° | — | — |
| 1986 | 96° | 72° | 84° | — | — |
| 1985 | 96° | 74° | 85° | — | — |
| 1984 | 103° | 72° | 87° | — | — |
| 1983 | 94° | 72° | 83° | — | — |
| 1982 | 92° | 73° | 82° | — | — |
| 1981 | 78° | 61° | 69° | — | — |
| 1980 | 99° | 75° | 87° | — | — |
| 1979 | 96° | 70° | 83° | — | — |
| 1978warmest | 102° | 78° | 90° | 0.05" | — |
| 1977 | 84° | 68° | 76° | — | — |
| 1976 | 96° | 72° | 84° | — | — |
| 1975 | 92° | 66° | 79° | — | — |
| 1974 | 97° | 68° | 82° | — | — |
| 1973 | 93° | 66° | 80° | — | — |
| 1972 | 95° | 69° | 82° | — | — |
| 1971 | 92° | 68° | 80° | — | — |
55 years of data from NORMAN 2NW MESONET