Weather on October 21 at Saguaro
Saguaro National Park
Based on 55 years of data from Tucson, AZ
Elevation Note: Saguaro sits at 2,700 ft. Expect temperatures 9°F cooler than the data shown below, which comes from Tucson, AZ at a lower elevation.
Planning Your Visit
October 21st in Saguaro National Park (via Tucson, AZ) typically brings warm fall weather, with average highs around 84°F and lows near 58°F — a 26°F daily swing. Over 55 years of records, the warmest October 21st was in 2016 (84°F average), while the coldest was 1996 (57°F) — a 27°F range across recorded history. Rain or other precipitation has occurred on about 25% of October 21st dates historically, with the wettest October 21st recording 4.19" of rain. The last decade has been 4.6°F warmer on this date compared to 20-30 years ago.
The last decade has been 4.6°F warmer on this date compared to 20-30 years ago.
Planning for October 21st in Saguaro? Stay hydrated and seek shade during peak afternoon hours.
Year by Year History
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2025 | 91°F | 56°F | 0" | 0" |
| 2024 | 89°F | 50°F | 0" | 0" |
| 2023 | 98°F | 64°F | 0" | 0" |
| 2022 | 91°F | 59°F | 0" | 0" |
| 2021 | 92°F | 54°F | 0" | 0" |
| 2020 | 95°F | 61°F | 0" | 0" |
| 2019 | 84°F | 51°F | 0" | 0" |
| 2018 | 86°F | 65°F | 0.89" | 0" |
| 2017 | 83°F | 56°F | 0" | 0" |
| 2016 | 96°F | 71°F | 0" | 0" |
| 2015 | 71°F | 54°F | 1.88" | 0" |
| 2014 | 86°F | 62°F | 0" | 0" |
| 2013 | 86°F | 52°F | 0" | 0" |
| 2012 | 87°F | 57°F | 0" | -- |
| 2011 | 90°F | 56°F | 0" | 0" |
| 2010 | 70°F | 54°F | 0.81" | 0" |
| 2009 | 79°F | 50°F | 0" | 0" |
| 2008 | 91°F | 56°F | 0" | 0" |
| 2007 | 79°F | 58°F | 0" | 0" |
| 2006 | 82°F | 52°F | 0" | 0" |
| 2005 | 88°F | 58°F | 0" | 0" |
| 2004 | 82°F | 52°F | 0.71" | 0" |
| 2003 | 96°F | 63°F | 0" | 0" |
| 2002 | 82°F | 63°F | 0" | 0" |
| 2001 | 91°F | 58°F | 0" | 0" |
| 2000 | 70°F | 61°F | 0.43" | 0" |
| 1999 | 90°F | 56°F | 0" | 0" |
| 1998 | 78°F | 63°F | 0.23" | 0" |
| 1997 | 80°F | 60°F | 0.36" | 0" |
| 1996 | 64°F | 50°F | 0" | 0" |
| 1995 | 93°F | 60°F | 0" | 0" |
| 1994 | 86°F | 60°F | 0" | 0" |
| 1993 | 84°F | 64°F | 0" | 0" |
| 1992 | 88°F | 63°F | 0" | 0" |
| 1991 | 87°F | 70°F | 0.08" | 0" |
| 1990 | 79°F | 46°F | 0" | 0" |
| 1989 | 81°F | 60°F | 0.64" | 0" |
| 1988 | 86°F | 64°F | 0" | 0" |
| 1987 | 89°F | 69°F | 0" | 0" |
| 1986 | 79°F | 48°F | 0" | 0" |
| 1985 | 82°F | 62°F | 0" | 0" |
| 1984 | 72°F | 56°F | 0" | 0" |
| 1983 | 85°F | 57°F | 0" | 0" |
| 1982 | 86°F | 53°F | 0" | 0" |
| 1981 | 82°F | 62°F | 0" | 0" |
| 1980 | 81°F | 58°F | 0" | 0" |
| 1979 | 71°F | 54°F | 0.38" | 0" |
| 1978 | 76°F | 62°F | 4.19" | 0" |
| 1977 | 79°F | 53°F | 0" | 0" |
| 1976 | 83°F | 60°F | 0.89" | 0" |
| 1975 | 76°F | 56°F | 0.08" | 0" |
| 1974 | 82°F | 65°F | 0.1" | 0" |
| 1973 | 94°F | 60°F | 0" | 0" |
| 1972 | 70°F | 50°F | 0" | 0" |
| 1971 | 86°F | 51°F | 0" | 0" |