Weather on October 18
Waterbury, CT
55 Years of Data
Avg High
62°F
Avg Low
43°F
Warmest
2016
68°F avg
Coldest
1978
40°F avg
About This Date
October 18th in Waterbury, CT typically brings mild fall weather, with average highs around 62°F and lows near 43°F. Over 54 years of records, the warmest October 18th was in 2016 (68°F average), while the coldest was 1978 (40°F) — a 28°F range across recorded history. Rain or other precipitation has occurred on about 37% of October 18th dates historically, with the wettest October 18th recording 5.59" of rain. The last decade has been 3.5°F warmer on this date compared to 20-30 years ago.
The last decade has been 3.5°F warmer on this date compared to 20-30 years ago.
Planning for October 18th in Waterbury, CT? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
Warming Trend
0.9°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 64° | 42° | 53° | — | — |
| 2024 | 70° | 39° | 54° | — | — |
| 2023 | 67° | 52° | 59° | — | — |
| 2022 | 59° | 44° | 52° | — | — |
| 2021 | 60° | 47° | 53° | 0.15" | — |
| 2020 | 60° | 35° | 48° | — | — |
| 2019 | 57° | 49° | 53° | — | — |
| 2018 | 61° | 37° | 49° | — | — |
| 2017 | 58° | 38° | 48° | — | — |
| 2016warmest | 81° | 56° | 68° | — | — |
| 2015 | 56° | 30° | 43° | — | — |
| 2014 | 69° | 59° | 64° | — | — |
| 2013 | 71° | 57° | 64° | 0.1" | — |
| 2012 | 66° | 41° | 54° | — | — |
| 2011 | 67° | 47° | 57° | — | — |
| 2010 | 61° | 42° | 51° | — | — |
| 2009 | 46° | 40° | 43° | 1.93" | — |
| 2008 | 58° | 39° | 48° | — | — |
| 2007 | 71° | 56° | 63° | 0.03" | — |
| 2006 | 70° | 49° | 59° | 0.33" | — |
| 2005 | 70° | 45° | 57° | 0.05" | — |
| 2004 | 59° | 45° | 52° | 0.1" | — |
| 2003 | 55° | 36° | 45° | 0.15" | — |
| 2002 | 56° | 38° | 47° | — | — |
| 2001 | 57° | 30° | 44° | — | — |
| 2000 | 53° | 49° | 51° | 1.37" | — |
| 1999 | 59° | 40° | 49° | 1.45" | — |
| 1997 | 61° | 38° | 49° | — | — |
| 1996 | 70° | 47° | 58° | — | — |
| 1995 | 63° | 34° | 48° | — | — |
| 1994 | 68° | 39° | 54° | — | — |
| 1993 | 65° | 45° | 55° | 0.05" | — |
| 1992 | 54° | 29° | 41° | — | — |
| 1991 | 70° | 46° | 58° | 0.3" | — |
| 1990 | 72° | 58° | 65° | — | — |
| 1989 | 66° | 40° | 53° | 1.7" | — |
| 1988 | 68° | 60° | 64° | 0.05" | — |
| 1987 | 68° | 54° | 61° | 0.03" | — |
| 1986 | 55° | 39° | 47° | — | — |
| 1985 | 64° | 36° | 50° | — | — |
| 1984 | 68° | 51° | 60° | — | — |
| 1983 | 65° | 50° | 57° | 0.3" | — |
| 1982 | 58° | 25° | 41° | — | — |
| 1981 | 61° | 34° | 47° | 0.1" | — |
| 1980 | 74° | 58° | 66° | 0.64" | — |
| 1979 | 67° | 49° | 58° | — | — |
| 1978coldest | 57° | 23° | 40° | — | — |
| 1977 | 59° | 31° | 45° | — | — |
| 1976 | 49° | 33° | 41° | — | — |
| 1975 | 55° | 49° | 52° | 5.59" | — |
| 1974 | 59° | 37° | 48° | — | — |
| 1973 | 52° | 35° | 43° | 0.03" | — |
| 1972 | 54° | 33° | 43° | — | — |
| 1971 | 63° | 40° | 51° | — | — |
54 years of data from MT CARMEL