Weather on August 18
Scottsdale, AZ
55 Years of Data
Avg High
103°F
Avg Low
75°F
Warmest
2020
96°F avg
Coldest
1979
79°F avg
About This Date
August 18th in Scottsdale, AZ typically brings hot summer weather, with average highs around 103°F and lows near 75°F — a 28°F daily swing. Over 54 years of records, the warmest August 18th was in 2020 (96°F average), while the coldest was 1979 (79°F) — a 17°F range across recorded history. Rain or other precipitation has occurred on about 11% of August 18th dates historically, with the wettest August 18th recording 2.11" 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 Scottsdale, AZ? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
0.6°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 107° | — | — | — | — |
| 2024 | 108° | 76° | 92° | 0.33" | — |
| 2023 | 106° | 80° | 93° | — | — |
| 2022 | 104° | 72° | 88° | — | — |
| 2021 | 96° | 74° | 85° | 0.03" | — |
| 2020warmest | 112° | 80° | 96° | — | — |
| 2019 | — | 68° | — | — | — |
| 2018 | 104° | — | — | — | — |
| 2017 | 104° | 65° | 84° | — | — |
| 2016 | 102° | 87° | 95° | — | — |
| 2015 | 105° | 75° | 90° | — | — |
| 2014 | 97° | 72° | 84° | — | — |
| 2013 | 109° | 77° | 93° | — | — |
| 2012 | 98° | 76° | 87° | — | — |
| 2011 | 108° | 80° | 94° | — | — |
| 2010 | 103° | 72° | 87° | 1.07" | — |
| 2009 | 106° | 67° | 86° | — | — |
| 2008 | 102° | 78° | 90° | — | — |
| 2007 | 110° | 79° | 94° | — | — |
| 2006 | 106° | 78° | 92° | — | — |
| 2005 | 102° | 78° | 90° | — | — |
| 2004 | 101° | 78° | 89° | — | — |
| 2003 | 107° | 73° | 90° | — | — |
| 2002 | 104° | 82° | 93° | — | — |
| 2000 | 100° | 72° | 86° | 0.64" | — |
| 1999 | 108° | 83° | 95° | — | — |
| 1998 | 96° | 73° | 85° | 0.69" | — |
| 1997 | 99° | 73° | 86° | — | — |
| 1996 | 101° | 81° | 91° | — | — |
| 1995 | 103° | 79° | 91° | — | — |
| 1994 | 106° | 81° | 93° | — | — |
| 1993 | 105° | 76° | 90° | — | — |
| 1992 | 103° | 81° | 92° | — | — |
| 1991 | 105° | 80° | 93° | — | — |
| 1990 | 100° | 74° | 87° | — | — |
| 1989 | 100° | 80° | 90° | — | — |
| 1988 | 105° | 83° | 94° | — | — |
| 1987 | 106° | 72° | 89° | — | — |
| 1986 | 102° | 82° | 92° | — | — |
| 1985 | 106° | 70° | 88° | — | — |
| 1984 | 94° | 76° | 85° | — | — |
| 1983 | 90° | 69° | 79° | 2.11" | — |
| 1982 | 105° | 70° | 87° | — | — |
| 1981 | 106° | 77° | 91° | — | — |
| 1980 | 102° | 63° | 82° | — | — |
| 1979coldest | 96° | 62° | 79° | — | — |
| 1978 | 103° | 74° | 88° | — | — |
| 1977 | 99° | 79° | 89° | — | — |
| 1976 | 100° | 76° | 88° | — | — |
| 1975 | 104° | 68° | 86° | — | — |
| 1974 | 108° | 72° | 90° | — | — |
| 1973 | 108° | 79° | 93° | — | — |
| 1972 | 103° | 73° | 88° | — | — |
| 1971 | 98° | 76° | 87° | — | — |
54 years of data from SCOTTSDALE