Weather on August 15
Waterbury, CT
55 Years of Data
Avg High
82°F
Avg Low
64°F
Warmest
1988
85°F avg
Coldest
1979
61°F avg
About This Date
August 15th in Waterbury, CT typically brings warm summer weather, with average highs around 82°F and lows near 64°F. Over 52 years of records, the warmest August 15th was in 1988 (85°F average), while the coldest was 1979 (61°F) — a 24°F range across recorded history. Rain or other precipitation has occurred on about 33% of August 15th dates historically, with the wettest August 15th recording 2.74" 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 August 15th in Waterbury, CT? Stay hydrated and seek shade during peak afternoon hours. Consider bringing rain gear or an umbrella.
Warming Trend
0.5°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 89° | 74° | 81° | — | — |
| 2024 | 87° | 66° | 77° | — | — |
| 2023 | 76° | 71° | 73° | 1.35" | — |
| 2022 | 84° | 62° | 73° | — | — |
| 2021 | 84° | 66° | 75° | — | — |
| 2020 | 88° | 66° | 77° | — | — |
| 2019 | 82° | 63° | 72° | — | — |
| 2018 | 83° | 67° | 75° | — | — |
| 2017 | 82° | 65° | 73° | 0.25" | — |
| 2016 | 93° | 71° | 82° | — | — |
| 2015 | 85° | 62° | 73° | — | — |
| 2014 | 73° | 58° | 65° | — | — |
| 2013 | 75° | 55° | 65° | — | — |
| 2012 | 77° | 67° | 72° | 0.36" | — |
| 2011 | 75° | 66° | 71° | 0.89" | — |
| 2010 | 81° | 68° | 74° | 0.1" | — |
| 2009 | 87° | 66° | 77° | — | — |
| 2008 | 78° | 67° | 72° | 0.53" | — |
| 2007 | 83° | 57° | 70° | — | — |
| 2006 | 76° | 66° | 71° | 1.17" | — |
| 2005 | 75° | 64° | 70° | 0.05" | — |
| 2004 | 72° | 66° | 69° | 2.74" | — |
| 2003 | 85° | 69° | 77° | — | — |
| 2002 | 86° | 74° | 80° | — | — |
| 2001 | 83° | 60° | 71° | 0.03" | — |
| 2000 | 85° | 64° | 74° | — | — |
| 1999 | 71° | 63° | 67° | 0.74" | — |
| 1996 | 80° | 60° | 70° | — | — |
| 1995 | 88° | 68° | 78° | — | — |
| 1993 | 85° | 61° | 73° | — | — |
| 1992 | 67° | 57° | 62° | 0.89" | — |
| 1991 | 89° | 69° | 79° | — | — |
| 1990 | 80° | 59° | 70° | — | — |
| 1989 | 84° | 70° | 77° | — | — |
| 1988warmest | 95° | 76° | 85° | — | — |
| 1987 | 84° | 63° | 73° | — | — |
| 1986 | 78° | 55° | 67° | — | — |
| 1985 | 92° | 71° | 81° | — | — |
| 1984 | 88° | 70° | 79° | 0.25" | — |
| 1983 | 81° | 52° | 66° | — | — |
| 1982 | 82° | 53° | 68° | — | — |
| 1981 | 85° | 67° | 76° | — | — |
| 1980 | 83° | 68° | 75° | 0.03" | — |
| 1979coldest | 71° | 50° | 61° | — | — |
| 1978 | 89° | 65° | 77° | — | — |
| 1977 | 80° | 61° | 70° | — | — |
| 1976 | 80° | 69° | 75° | 0.08" | — |
| 1975 | 85° | 58° | 71° | — | — |
| 1974 | 83° | 59° | 71° | — | — |
| 1973 | 78° | 65° | 71° | 1.45" | — |
| 1972 | 78° | 55° | 67° | 2.39" | — |
| 1971 | 83° | 58° | 70° | — | — |
52 years of data from MT CARMEL