Weather on October 21
Glendale, AZ
55 Years of Data
Avg High
86°F
Avg Low
59°F
Warmest
1991
83°F avg
Coldest
1972
62°F avg
About This Date
October 21st in Glendale, AZ typically brings warm fall weather, with average highs around 86°F and lows near 59°F — a 27°F daily swing. Over 54 years of records, the warmest October 21st was in 1991 (83°F average), while the coldest was 1972 (62°F) — a 21°F range across recorded history. Rain or other precipitation has occurred on about 19% of October 21st dates historically, with the wettest October 21st recording 0.89" of rain. 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 21st in Glendale, AZ? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
1.1°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 90° | 64° | 77° | — | — |
| 2024 | 85° | 54° | 69° | — | — |
| 2023 | 98° | 65° | 81° | — | — |
| 2022 | 87° | 61° | 74° | — | — |
| 2021 | 88° | 53° | 70° | — | — |
| 2020 | 94° | 59° | 76° | — | — |
| 2019 | 86° | 55° | 71° | — | — |
| 2018 | 88° | 64° | 76° | 0.2" | — |
| 2016 | 95° | 68° | 82° | — | — |
| 2015 | 76° | 61° | 68° | 0.03" | — |
| 2014 | 88° | 59° | 73° | — | — |
| 2013 | 86° | 52° | 69° | — | — |
| 2012 | 87° | 63° | 75° | — | — |
| 2011 | 92° | 61° | 76° | — | — |
| 2010 | 73° | 57° | 65° | 0.43" | — |
| 2009 | 82° | 60° | 71° | — | — |
| 2008 | 91° | 61° | 76° | — | — |
| 2007 | 79° | 65° | 72° | — | — |
| 2006 | 86° | 53° | 70° | — | — |
| 2005 | 87° | 57° | 72° | — | — |
| 2004 | 82° | 56° | 69° | 0.56" | — |
| 2003 | 100° | 64° | 82° | — | — |
| 2002 | 86° | 58° | 72° | — | — |
| 2001 | 91° | 59° | 75° | — | — |
| 2000 | 85° | 60° | 72° | 0.03" | — |
| 1999 | 97° | 56° | 76° | — | — |
| 1998 | 83° | 71° | 77° | — | — |
| 1997 | 88° | 63° | 75° | 0.76" | — |
| 1996 | 73° | 50° | 62° | — | — |
| 1995 | 94° | 64° | 79° | — | — |
| 1994 | 88° | 57° | 72° | — | — |
| 1993 | 87° | 60° | 74° | — | — |
| 1992 | 92° | 67° | 79° | — | — |
| 1991warmest | 96° | 69° | 83° | — | — |
| 1990 | 81° | 55° | 68° | — | — |
| 1989 | 86° | 69° | 78° | — | — |
| 1988 | 91° | 69° | 80° | — | — |
| 1987 | 93° | 64° | 79° | — | — |
| 1986 | 82° | 55° | 69° | — | — |
| 1985 | 86° | 66° | 76° | — | — |
| 1984 | 75° | 52° | 63° | — | — |
| 1983 | 89° | 55° | 72° | — | — |
| 1982 | 86° | 47° | 66° | — | — |
| 1981 | 87° | 51° | 69° | — | — |
| 1980 | 85° | 50° | 67° | — | — |
| 1979 | 76° | 53° | 64° | — | — |
| 1978 | 74° | 60° | 67° | 0.08" | — |
| 1977 | 83° | 50° | 66° | — | — |
| 1976 | 77° | 61° | 69° | 0.23" | — |
| 1975 | 80° | 58° | 69° | 0.89" | — |
| 1974 | 86° | 62° | 74° | 0.05" | — |
| 1973 | 94° | 51° | 72° | — | — |
| 1972coldest | 74° | 50° | 62° | — | — |
| 1971 | 86° | 49° | 67° | — | — |
54 years of data from ALHAMBRA