Weather on March 21 at Dry Tortugas
Dry Tortugas National Park
Based on 56 years of data from Key West, FL
Planning Your Visit
March 21st in Dry Tortugas National Park (via Key West, FL) typically brings warm spring weather, with average highs around 80°F and lows near 68°F. Over 56 years of records, the warmest March 21st was in 2003 (82°F average), while the coldest was 1971 (63°F) — a 19°F range across recorded history. Rain or other precipitation has occurred on about 16% of March 21st dates historically, with the wettest March 21st recording 4.19" 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 Dry Tortugas? Stay hydrated and seek shade during peak afternoon hours.
Year by Year History
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2026 | 81°F | 65°F | 0.64" | -- |
| 2025 | 89°F | 65°F | 0" | -- |
| 2024 | 86°F | 74°F | 0" | -- |
| 2023 | 77°F | 62°F | 0" | -- |
| 2022 | 85°F | 71°F | 0" | -- |
| 2021 | 80°F | 67°F | 0" | -- |
| 2020 | 85°F | 76°F | 0" | -- |
| 2019 | 78°F | 70°F | 0" | -- |
| 2018 | 77°F | 65°F | 0" | -- |
| 2017 | 76°F | 66°F | 0" | -- |
| 2016 | 82°F | 68°F | 0.38" | -- |
| 2015 | 84°F | 74°F | 0" | -- |
| 2014 | 85°F | 68°F | 0" | -- |
| 2013 | 78°F | 68°F | 0" | -- |
| 2012 | 78°F | 74°F | 0" | -- |
| 2011 | 77°F | 71°F | 0" | -- |
| 2010 | 74°F | 61°F | 0" | 0" |
| 2009 | 80°F | 69°F | 0.1" | 0" |
| 2008 | 81°F | 72°F | 0" | 0" |
| 2007 | 78°F | 67°F | 0.25" | 0" |
| 2006 | 82°F | 72°F | 0" | 0" |
| 2005 | 81°F | 67°F | 0" | 0" |
| 2004 | 81°F | 70°F | 0" | 0" |
| 2003 | 85°F | 79°F | 0" | 0" |
| 2002 | 83°F | 70°F | 0" | 0" |
| 2001 | 75°F | 63°F | 0" | 0" |
| 2000 | 84°F | 74°F | 0" | -- |
| 1999 | 81°F | 70°F | 0" | -- |
| 1998 | 76°F | 66°F | 0" | 0" |
| 1997 | 81°F | 73°F | 1.07" | 0" |
| 1996 | 68°F | 59°F | 0" | 0" |
| 1995 | 83°F | 68°F | 0" | 0" |
| 1994 | 85°F | 72°F | 0" | 0" |
| 1993 | 81°F | 68°F | 0" | 0" |
| 1992 | 72°F | 63°F | 0" | 0" |
| 1991 | 80°F | 71°F | 0" | 0" |
| 1990 | 77°F | 64°F | 0" | 0" |
| 1989 | 83°F | 74°F | 0" | 0" |
| 1988 | 71°F | 60°F | 0" | 0" |
| 1987 | 78°F | 69°F | 0" | 0" |
| 1986 | 78°F | 61°F | 0" | 0" |
| 1985 | 81°F | 68°F | 4.19" | 0" |
| 1984 | 76°F | 63°F | 0" | 0" |
| 1983 | 77°F | 65°F | 0.13" | 0" |
| 1982 | 82°F | 76°F | 0" | 0" |
| 1981 | 71°F | 57°F | 0" | 0" |
| 1980 | 82°F | 73°F | 0" | 0" |
| 1979 | 77°F | 65°F | 0" | 0" |
| 1978 | 79°F | 68°F | 0.1" | 0" |
| 1977 | 85°F | 77°F | 0" | 0" |
| 1976 | 84°F | 75°F | 0" | 0" |
| 1975 | 80°F | 67°F | 0" | 0" |
| 1974 | 84°F | 75°F | 0" | 0" |
| 1973 | 77°F | 67°F | 3.25" | 0" |
| 1972 | 82°F | 72°F | 0" | 0" |
| 1971 | 68°F | 58°F | 0" | 0" |