Weather on October 18
Tempe, AZ
55 Years of Data
Avg High
89°F
Avg Low
57°F
Warmest
2023
87°F avg
Coldest
1971
55°F avg
About This Date
October 18th in Tempe, AZ typically brings warm fall weather, with average highs around 89°F and lows near 57°F — a 32°F daily swing. Over 55 years of records, the warmest October 18th was in 2023 (87°F average), while the coldest was 1971 (55°F) — a 32°F range across recorded history. Rain or other precipitation has occurred on about 5% of October 18th dates historically. The last decade has been 1.9°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.9°F warmer on this date compared to 20-30 years ago.
Planning for October 18th in Tempe, AZ? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
1.2°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 86° | 62° | 74° | — | — |
| 2024 | 87° | — | — | — | — |
| 2023warmest | 102° | 72° | 87° | — | — |
| 2022 | 89° | 55° | 72° | — | — |
| 2021 | 84° | 56° | 70° | — | — |
| 2020 | 96° | 55° | 76° | — | — |
| 2019 | 98° | 59° | 79° | — | — |
| 2018 | 88° | 63° | 75° | — | — |
| 2017 | 97° | 60° | 78° | — | — |
| 2016 | 92° | 55° | 73° | — | — |
| 2015 | 90° | 63° | 76° | 0.03" | — |
| 2014 | 89° | 51° | 70° | — | — |
| 2013 | 86° | 58° | 72° | — | — |
| 2012 | 89° | 55° | 72° | — | — |
| 2011 | 97° | 52° | 74° | — | — |
| 2010 | 91° | 65° | 78° | — | — |
| 2009 | 98° | 65° | 81° | — | — |
| 2008 | 97° | 57° | 77° | — | — |
| 2007 | 84° | 56° | 70° | — | — |
| 2006 | 80° | 53° | 67° | — | — |
| 2005 | 76° | 60° | 68° | — | — |
| 2004 | 84° | 62° | 73° | — | — |
| 2003 | 102° | 69° | 86° | — | — |
| 2002 | 89° | 58° | 73° | — | — |
| 2001 | 94° | 59° | 76° | — | — |
| 2000 | — | 66° | — | — | — |
| 1999 | 82° | 54° | 68° | — | — |
| 1998 | 89° | 54° | 71° | — | — |
| 1997 | 91° | 58° | 74° | — | — |
| 1996 | 93° | 62° | 78° | — | — |
| 1995 | 96° | 57° | 77° | — | — |
| 1994 | 79° | 48° | 63° | — | — |
| 1993 | 78° | 48° | 63° | — | — |
| 1992 | 94° | 58° | 76° | — | — |
| 1991 | 98° | 62° | 80° | — | — |
| 1990 | 96° | 65° | 80° | — | — |
| 1989 | 92° | 63° | 77° | — | — |
| 1988 | 96° | 68° | 82° | — | — |
| 1987 | 92° | 60° | 76° | — | — |
| 1986 | 88° | 59° | 73° | — | — |
| 1985 | 81° | 56° | 68° | — | — |
| 1984 | 78° | 55° | 67° | — | — |
| 1983 | 88° | 61° | 74° | — | — |
| 1982 | 92° | 55° | 73° | — | — |
| 1981 | 81° | 45° | 63° | — | — |
| 1980 | 71° | 41° | 56° | — | — |
| 1979 | 90° | 53° | 71° | — | — |
| 1978 | 97° | 57° | 77° | — | — |
| 1977 | 97° | 56° | 76° | — | — |
| 1976 | 86° | 52° | 69° | — | — |
| 1975 | 93° | 48° | 71° | — | — |
| 1974 | 94° | 55° | 74° | — | — |
| 1973 | 99° | 55° | 77° | — | — |
| 1972 | 79° | 63° | 71° | 0.18" | — |
| 1971coldest | 64° | 46° | 55° | 0.08" | — |
55 years of data from TEMPE ASU