Weather on October 20
Waterbury, CT
55 Years of Data
Avg High
62°F
Avg Low
42°F
Warmest
1984
68°F avg
Coldest
1972
35°F avg
About This Date
October 20th in Waterbury, CT typically brings mild fall weather, with average highs around 62°F and lows near 42°F. Over 54 years of records, the warmest October 20th was in 1984 (68°F average), while the coldest was 1972 (35°F) — a 33°F range across recorded history. Rain or other precipitation has occurred on about 28% of October 20th dates historically, with the wettest October 20th recording 8.89" of rain. The last decade has been 8.4°F warmer on this date compared to 20-30 years ago.
The last decade has been 8.4°F warmer on this date compared to 20-30 years ago.
Planning for October 20th in Waterbury, CT? Great weather for outdoor activities.
Warming Trend
1.8°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 69° | 57° | 63° | 0.94" | — |
| 2024 | 69° | 38° | 53° | — | — |
| 2023 | 66° | 60° | 63° | 2.49" | — |
| 2022 | 61° | 47° | 54° | — | — |
| 2021 | 77° | 58° | 67° | — | — |
| 2020 | 66° | 45° | 55° | — | — |
| 2019 | 61° | 36° | 48° | — | — |
| 2018 | 60° | 34° | 47° | — | — |
| 2017 | 69° | 46° | 58° | — | — |
| 2016 | 83° | 52° | 67° | — | — |
| 2015 | 50° | 32° | 41° | — | — |
| 2014 | 63° | 40° | 51° | — | — |
| 2013 | 63° | 42° | 52° | 0.05" | — |
| 2012 | 70° | 56° | 63° | — | — |
| 2011 | 69° | 58° | 63° | 0.15" | — |
| 2010 | 60° | 39° | 50° | — | — |
| 2009 | 61° | 32° | 46° | — | — |
| 2008 | 63° | 31° | 47° | — | — |
| 2007 | 72° | 59° | 65° | 0.1" | — |
| 2006 | 66° | 46° | 56° | 1.73" | — |
| 2005 | 60° | 42° | 51° | — | — |
| 2004 | 58° | 44° | 51° | — | — |
| 2003 | 58° | 31° | 44° | — | — |
| 2002 | 59° | 40° | 49° | — | — |
| 2001 | 70° | 38° | 54° | — | — |
| 2000 | 66° | 33° | 50° | — | — |
| 1999 | 52° | 45° | 48° | 0.2" | — |
| 1997 | 52° | 40° | 46° | — | — |
| 1996 | 53° | 45° | 49° | 0.41" | — |
| 1995 | 69° | 46° | 58° | — | — |
| 1994 | 70° | 49° | 59° | 0.46" | — |
| 1993 | 57° | 45° | 51° | 1.35" | — |
| 1992 | 51° | 29° | 40° | — | — |
| 1991 | 68° | 36° | 52° | — | — |
| 1990 | 54° | 32° | 43° | — | — |
| 1989 | 69° | 40° | 54° | 8.89" | — |
| 1988 | 53° | 34° | 43° | — | — |
| 1987 | 63° | 41° | 52° | — | — |
| 1986 | 66° | 37° | 52° | — | — |
| 1985 | 59° | 49° | 54° | — | — |
| 1984warmest | 77° | 59° | 68° | — | — |
| 1983 | 52° | 39° | 45° | — | — |
| 1982 | 68° | 39° | 54° | — | — |
| 1981 | 55° | 33° | 44° | — | — |
| 1980 | 67° | 41° | 54° | — | — |
| 1979 | 71° | 55° | 63° | — | — |
| 1978 | 58° | 40° | 49° | 0.13" | — |
| 1977 | 57° | 47° | 52° | 3.05" | — |
| 1976 | 50° | 31° | 40° | 0.3" | — |
| 1975 | 51° | 47° | 49° | 0.64" | — |
| 1974 | 43° | 27° | 35° | — | — |
| 1973 | 61° | 37° | 49° | — | — |
| 1972coldest | 46° | 24° | 35° | — | — |
| 1971 | 63° | 43° | 53° | — | — |
54 years of data from MT CARMEL