Weather on October 18
Surprise, AZ
55 Years of Data
Avg High
88°F
Avg Low
59°F
Warmest
2009
85°F avg
Coldest
1971
55°F avg
About This Date
October 18th in Surprise, AZ typically brings warm fall weather, with average highs around 88°F and lows near 59°F — a 29°F daily swing. Over 54 years of records, the warmest October 18th was in 2009 (85°F average), while the coldest was 1971 (55°F) — a 30°F range across recorded history. Rain or other precipitation has occurred on about 7% of October 18th dates historically, with the wettest October 18th recording 1.55" 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 October 18th in Surprise, AZ? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
0.7°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 85° | 59° | 72° | — | — |
| 2024 | 86° | 62° | 74° | — | — |
| 2022 | 86° | 67° | 76° | — | — |
| 2021 | 82° | 56° | 69° | — | — |
| 2020 | 94° | 59° | 76° | — | — |
| 2019 | 86° | 61° | 73° | — | — |
| 2018 | 81° | 58° | 69° | — | — |
| 2017 | 94° | 66° | 80° | — | — |
| 2016 | 89° | 61° | 75° | — | — |
| 2015 | 88° | 68° | 78° | 0.28" | — |
| 2014 | 89° | 59° | 74° | — | — |
| 2013 | 84° | 53° | 69° | — | — |
| 2012 | 90° | 62° | 76° | — | — |
| 2011 | 96° | 64° | 80° | — | — |
| 2010 | 86° | 69° | 78° | — | — |
| 2009warmest | 100° | 70° | 85° | — | — |
| 2008 | 94° | 63° | 78° | — | — |
| 2007 | 84° | 56° | 70° | — | — |
| 2006 | 80° | 57° | 69° | — | — |
| 2005 | 77° | 59° | 68° | 1.55" | — |
| 2004 | 80° | 60° | 70° | — | — |
| 2003 | 101° | 65° | 83° | — | — |
| 2002 | 78° | 56° | 67° | — | — |
| 2001 | 92° | 59° | 75° | — | — |
| 2000 | 92° | 64° | 78° | — | — |
| 1999 | 84° | 51° | 68° | — | — |
| 1998 | 89° | 55° | 72° | — | — |
| 1997 | 96° | 56° | 76° | — | — |
| 1996 | 93° | 61° | 77° | — | — |
| 1995 | 96° | 59° | 78° | — | — |
| 1994 | 78° | 48° | 63° | — | — |
| 1993 | 78° | 50° | 64° | — | — |
| 1992 | 95° | 60° | 78° | — | — |
| 1991 | 100° | 62° | 81° | — | — |
| 1990 | 94° | 63° | 78° | — | — |
| 1989 | 92° | 68° | 80° | — | — |
| 1988 | 92° | 65° | 78° | — | — |
| 1987 | 91° | 59° | 75° | — | — |
| 1986 | 85° | 56° | 70° | — | — |
| 1985 | 78° | 56° | 67° | — | — |
| 1984 | 77° | 54° | 65° | — | — |
| 1983 | 87° | 58° | 72° | — | — |
| 1982 | 91° | 53° | 72° | — | — |
| 1981 | 90° | 55° | 72° | — | — |
| 1980 | 80° | 44° | 62° | — | — |
| 1979 | 89° | 58° | 73° | — | — |
| 1978 | 95° | 60° | 78° | — | — |
| 1977 | 94° | 60° | 77° | — | — |
| 1976 | 89° | 55° | 72° | — | — |
| 1975 | 93° | 50° | 72° | — | — |
| 1974 | 96° | 56° | 76° | — | — |
| 1973 | 99° | 55° | 77° | — | — |
| 1972 | 79° | 65° | 72° | 0.1" | — |
| 1971coldest | 64° | 46° | 55° | 0.05" | — |
54 years of data from YOUNGTOWN