Weather on February 21
Waterbury, CT
55 Years of Data
Avg High
44°F
Avg Low
25°F
Warmest
2016
55°F avg
Coldest
2015
7°F avg
About This Date
February 21st in Waterbury, CT typically brings chilly winter weather, with average highs around 44°F and lows near 25°F. Over 55 years of records, the warmest February 21st was in 2016 (55°F average), while the coldest was 2015 (7°F) — a 48°F range across recorded history. Precipitation has occurred on 31% of recorded February 21st dates, with snow falling 2% of the time. The last decade has been 1.6°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.6°F warmer on this date compared to 20-30 years ago.
Planning for February 21st in Waterbury, CT? Bring layers as temperatures can vary throughout the day. Consider bringing rain gear or an umbrella.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026 | 45° | 32° | 38° | — | — |
| 2025 | 38° | 23° | 31° | — | — |
| 2024 | 41° | 19° | 30° | — | — |
| 2023 | 48° | 36° | 42° | — | — |
| 2022 | 51° | 28° | 40° | — | — |
| 2021 | 37° | 16° | 27° | — | — |
| 2020 | 35° | 15° | 25° | — | — |
| 2019 | 36° | 26° | 31° | 1.42" | — |
| 2018 | 62° | 45° | 53° | — | — |
| 2017 | 59° | 26° | 43° | — | — |
| 2016warmest | 59° | 52° | 55° | — | — |
| 2015coldest | 20° | -5° | 7° | — | — |
| 2014 | 46° | 35° | 41° | 0.05" | — |
| 2013 | 36° | 25° | 31° | — | — |
| 2012 | 44° | 19° | 32° | — | — |
| 2011 | 34° | 22° | 28° | 0.41" | — |
| 2010 | 46° | 31° | 39° | — | — |
| 2009 | 41° | 28° | 35° | — | — |
| 2008 | 32° | 20° | 26° | — | — |
| 2007 | 48° | 25° | 37° | 0.1" | — |
| 2006 | 40° | 18° | 29° | — | — |
| 2005 | 33° | 25° | 29° | 0.33" | — |
| 2004 | 42° | 33° | 38° | 0.05" | — |
| 2003 | 43° | 10° | 26° | — | — |
| 2002 | 58° | 43° | 50° | 0.25" | — |
| 2001 | 40° | 17° | 28° | — | — |
| 2000 | 41° | 17° | 29° | — | — |
| 1998 | 49° | 34° | 41° | 0.15" | — |
| 1997 | 46° | 29° | 37° | 2.31" | — |
| 1996 | 50° | 44° | 47° | 0.71" | — |
| 1995 | 44° | 34° | 39° | — | — |
| 1994 | 57° | 4° | 30° | 1.52" | — |
| 1993 | 28° | 10° | 19° | — | — |
| 1992 | 49° | 25° | 37° | — | — |
| 1991 | 49° | 23° | 36° | — | — |
| 1990 | 45° | 10° | 27° | — | — |
| 1989 | 54° | 30° | 42° | 2.69" | — |
| 1988 | 47° | 29° | 38° | — | — |
| 1987 | 41° | 19° | 30° | — | — |
| 1986 | 40° | 35° | 37° | 1.27" | — |
| 1985 | 42° | 19° | 31° | — | — |
| 1984 | 45° | 36° | 40° | — | — |
| 1983 | 48° | 22° | 35° | — | — |
| 1982 | 41° | 30° | 36° | — | — |
| 1981 | 58° | 48° | 53° | 1.17" | — |
| 1980 | 54° | 25° | 39° | — | — |
| 1979 | 36° | 22° | 29° | 0.66" | — |
| 1978 | 35° | 5° | 20° | — | — |
| 1977 | 34° | 27° | 30° | 0.05" | 0.2" |
| 1976 | 48° | 22° | 35° | — | — |
| 1975 | 46° | 27° | 36° | — | — |
| 1974 | 49° | 29° | 39° | — | — |
| 1973 | 46° | 33° | 40° | — | — |
| 1972 | 26° | 4° | 15° | — | — |
| 1971 | 40° | 32° | 36° | 0.2" | — |
55 years of data from MT CARMEL