Weather on March 21 at Saguaro
Saguaro National Park
Based on 56 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
March 21st in Saguaro National Park (via Tucson, AZ) typically brings pleasant spring weather, with average highs around 78°F and lows near 51°F — a 27°F daily swing. Over 56 years of records, the warmest March 21st was in 2026 (82°F average), while the coldest was 1991 (47°F) — a 35°F range across recorded history. Rain or other precipitation has occurred on about 9% of March 21st dates historically, with the wettest March 21st recording 0.99" 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 March 21st in Saguaro? Great weather for outdoor activities.
Year by Year History
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2026 | 102°F | 63°F | 0" | -- |
| 2025 | 81°F | 44°F | 0" | -- |
| 2024 | 77°F | 50°F | 0" | 0" |
| 2023 | 74°F | 59°F | 0" | 0" |
| 2022 | 68°F | 47°F | 0.08" | 0" |
| 2021 | 79°F | 57°F | 0" | 0" |
| 2020 | 75°F | 47°F | 0" | 0" |
| 2019 | 68°F | 48°F | 0" | 0" |
| 2018 | 83°F | 50°F | 0" | 0" |
| 2017 | 92°F | 62°F | 0" | 0" |
| 2016 | 91°F | 55°F | 0" | 0" |
| 2015 | 80°F | 52°F | 0" | 0" |
| 2014 | 81°F | 51°F | 0" | 0" |
| 2013 | 79°F | 56°F | 0" | 0" |
| 2012 | 73°F | 31°F | 0" | 0" |
| 2011 | 80°F | 47°F | 0" | 0" |
| 2010 | 75°F | 35°F | 0" | 0" |
| 2009 | 88°F | 50°F | 0" | 0" |
| 2008 | 83°F | 48°F | 0" | 0" |
| 2007 | 78°F | 64°F | 0" | 0" |
| 2006 | 68°F | 43°F | 0" | 0" |
| 2005 | 68°F | 47°F | 0" | 0" |
| 2004 | 89°F | 62°F | 0" | 0" |
| 2003 | 69°F | 47°F | 0" | 0" |
| 2002 | 87°F | 59°F | 0" | 0" |
| 2001 | 87°F | 55°F | 0" | 0" |
| 2000 | 61°F | 40°F | 0" | 0" |
| 1999 | 85°F | 49°F | 0" | 0" |
| 1998 | 76°F | 50°F | 0" | 0" |
| 1997 | 92°F | 58°F | 0" | 0" |
| 1996 | 88°F | 56°F | 0" | 0" |
| 1995 | 80°F | 62°F | 0" | 0" |
| 1994 | 74°F | 53°F | 0" | 0" |
| 1993 | 82°F | 60°F | 0" | 0" |
| 1992 | 72°F | 55°F | 0" | 0" |
| 1991 | 52°F | 42°F | 0.91" | 0" |
| 1990 | 82°F | 55°F | 0" | 0" |
| 1989 | 82°F | 47°F | 0" | 0" |
| 1988 | 89°F | 51°F | 0" | 0" |
| 1987 | 73°F | 46°F | 0" | 0" |
| 1986 | 81°F | 54°F | 0" | 0" |
| 1985 | 77°F | 49°F | 0" | 0" |
| 1984 | 86°F | 54°F | 0" | 0" |
| 1983 | 68°F | 47°F | 0.51" | 0" |
| 1982 | 71°F | 40°F | 0" | 0" |
| 1981 | 69°F | 50°F | 0" | 0" |
| 1980 | 79°F | 47°F | 0" | 0" |
| 1979 | 59°F | 44°F | 0.99" | 0" |
| 1978 | 83°F | 62°F | 0" | 0" |
| 1977 | 79°F | 42°F | 0" | 0" |
| 1976 | 79°F | 42°F | 0" | 0" |
| 1975 | 80°F | 62°F | 0" | 0" |
| 1974 | 68°F | 52°F | 0" | 0" |
| 1973 | 64°F | 47°F | 0.28" | 0" |
| 1972 | 90°F | 50°F | 0" | 0" |
| 1971 | 82°F | 44°F | 0" | 0" |