Weather on April 21
Hartford, CT
55 Years of Data
Avg High
63°F
Avg Low
42°F
Warmest
1976
70°F avg
Coldest
1997
38°F avg
About This Date
April 21st in Hartford, CT typically brings mild spring weather, with average highs around 63°F and lows near 42°F. Over 55 years of records, the warmest April 21st was in 1976 (70°F average), while the coldest was 1997 (38°F) — a 32°F range across recorded history. Rain or other precipitation has occurred on about 33% of April 21st dates historically, with the wettest April 21st recording 7.09" 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 April 21st in Hartford, CT? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 58° | 38° | 48° | — | — |
| 2024 | 52° | 39° | 45° | — | — |
| 2023 | 71° | 47° | 59° | — | — |
| 2022 | 61° | 33° | 47° | — | — |
| 2021 | 67° | 36° | 51° | 0.48" | — |
| 2020 | 53° | 39° | 46° | 1.09" | — |
| 2019 | 62° | 49° | 55° | 0.15" | — |
| 2018 | 61° | 29° | 45° | — | — |
| 2017 | 54° | 48° | 51° | 0.71" | — |
| 2016 | 74° | 38° | 56° | — | — |
| 2015 | 65° | 44° | 54° | 0.86" | — |
| 2014 | 67° | 31° | 49° | — | — |
| 2013 | 54° | 35° | 44° | — | — |
| 2012 | 75° | 57° | 66° | — | — |
| 2011 | 57° | 40° | 48° | — | — |
| 2010 | 71° | 40° | 55° | — | — |
| 2009 | 54° | 47° | 50° | 1.8" | — |
| 2008 | 74° | 46° | 60° | — | — |
| 2007 | 78° | 35° | 57° | — | — |
| 2006 | 66° | 44° | 55° | — | — |
| 2005 | 68° | 44° | 56° | — | — |
| 2004 | 63° | 46° | 54° | — | — |
| 2003 | 66° | 39° | 53° | — | — |
| 2002 | 59° | 46° | 53° | — | — |
| 2001 | 70° | 49° | 59° | 0.23" | — |
| 2000 | 51° | 43° | 47° | 7.09" | — |
| 1999 | 54° | 30° | 42° | 0.13" | — |
| 1998 | 56° | 40° | 48° | — | — |
| 1997coldest | 59° | 18° | 38° | — | — |
| 1996 | 71° | 53° | 62° | — | — |
| 1995 | 59° | 49° | 54° | 0.38" | — |
| 1994 | 57° | 34° | 45° | — | — |
| 1993 | 69° | 52° | 60° | 0.25" | — |
| 1992 | 70° | 53° | 61° | — | — |
| 1991 | 62° | 40° | 51° | 1.63" | — |
| 1990 | 59° | 45° | 52° | 0.53" | — |
| 1989 | 59° | 39° | 49° | — | — |
| 1988 | 53° | 36° | 44° | — | — |
| 1987 | 70° | 57° | 63° | 0.05" | — |
| 1986 | 60° | 49° | 54° | 0.74" | — |
| 1985 | 62° | 46° | 54° | — | — |
| 1984 | 58° | 40° | 49° | — | — |
| 1983 | 48° | 34° | 41° | 0.05" | — |
| 1982 | 69° | 49° | 59° | — | — |
| 1981 | 54° | 30° | 42° | — | — |
| 1980 | 73° | 45° | 59° | 0.25" | — |
| 1979 | 62° | 35° | 49° | — | — |
| 1978 | 56° | 40° | 48° | 0.41" | — |
| 1977 | 70° | 47° | 58° | — | — |
| 1976warmest | 87° | 53° | 70° | — | — |
| 1975 | 59° | 42° | 51° | — | — |
| 1974 | 60° | 38° | 49° | — | — |
| 1973 | 72° | 40° | 56° | — | — |
| 1972 | 57° | 30° | 44° | — | — |
| 1971 | 65° | 39° | 52° | — | — |
55 years of data from HARTFORD BRAINARD FLD