Weather on March 21
West Palm Beach, FL
55 Years of Data
Avg High
79°F
Avg Low
61°F
Warmest
2003
83°F avg
Coldest
1971
55°F avg
About This Date
March 21st in West Palm Beach, FL typically brings pleasant spring weather, with average highs around 79°F and lows near 61°F. Over 56 years of records, the warmest March 21st was in 2003 (83°F average), while the coldest was 1971 (55°F) — a 28°F range across recorded history. Rain or other precipitation has occurred on about 25% of March 21st dates historically, with the wettest March 21st recording 14.17" of rain. The last decade has been 1.4°F cooler on this date compared to 20-30 years ago.
The last decade has been 1.4°F cooler on this date compared to 20-30 years ago.
Planning for March 21st in West Palm Beach, FL? Great weather for outdoor activities.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026 | 80° | 57° | 69° | — | — |
| 2025 | 69° | 54° | 61° | — | — |
| 2024 | 80° | 63° | 71° | — | — |
| 2023 | 81° | 57° | 69° | — | — |
| 2022 | 79° | 71° | 75° | — | — |
| 2021 | 76° | 58° | 67° | — | — |
| 2020 | 85° | 75° | 80° | — | — |
| 2019 | 77° | 60° | 69° | — | — |
| 2018 | 78° | 56° | 67° | — | — |
| 2017 | 76° | 57° | 66° | — | — |
| 2016 | 71° | 55° | 63° | 0.1" | — |
| 2015 | 88° | 69° | 78° | — | — |
| 2014 | 83° | 63° | 73° | — | — |
| 2013 | 75° | 56° | 65° | — | — |
| 2012 | 82° | 69° | 76° | 1.22" | — |
| 2011 | 79° | 70° | 74° | 0.03" | — |
| 2010 | 81° | 66° | 73° | 1.42" | — |
| 2009 | 74° | 62° | 68° | 0.71" | — |
| 2008 | 77° | 69° | 73° | — | — |
| 2007 | 79° | 68° | 73° | — | — |
| 2006 | 91° | 71° | 81° | — | — |
| 2005 | 80° | 62° | 71° | — | — |
| 2004 | 81° | 61° | 71° | — | — |
| 2003warmest | 92° | 74° | 83° | 1.27" | — |
| 2002 | 86° | 66° | 76° | — | — |
| 2001 | 71° | 55° | 63° | — | — |
| 2000 | 83° | 63° | 73° | — | — |
| 1999 | 84° | 63° | 73° | — | — |
| 1998 | 73° | 56° | 64° | — | — |
| 1997 | 81° | 63° | 72° | 1.63" | — |
| 1996 | 65° | 47° | 56° | — | — |
| 1995 | 81° | 57° | 69° | — | — |
| 1994 | 89° | 67° | 78° | 0.03" | — |
| 1993 | 76° | 66° | 71° | 14.17" | — |
| 1992 | 74° | 52° | 63° | — | — |
| 1991 | 80° | 64° | 72° | — | — |
| 1990 | 75° | 55° | 65° | — | — |
| 1989 | 83° | 65° | 74° | — | — |
| 1988 | 72° | 47° | 59° | — | — |
| 1987 | 78° | 62° | 70° | — | — |
| 1986 | 73° | 54° | 63° | 1.37" | — |
| 1985 | 74° | 68° | 71° | 8.03" | — |
| 1984 | 73° | 53° | 63° | 1.32" | — |
| 1983 | 81° | 60° | 70° | — | — |
| 1982 | 85° | 66° | 75° | — | — |
| 1981 | 72° | 42° | 57° | — | — |
| 1980 | 89° | 63° | 76° | — | — |
| 1979 | 81° | 55° | 68° | — | — |
| 1978 | 81° | 68° | 74° | 0.1" | — |
| 1977 | 86° | 67° | 76° | — | — |
| 1976 | 82° | 63° | 72° | — | — |
| 1975 | 78° | 52° | 65° | — | — |
| 1974 | 88° | 66° | 77° | — | — |
| 1973 | 85° | 70° | 77° | 0.86" | — |
| 1972 | 80° | 71° | 76° | — | — |
| 1971coldest | 70° | 41° | 55° | — | — |
56 years of data from W PALM BEACH INTL AP