Weather on August 17
Hartford, CT
55 Years of Data
Avg High
83°F
Avg Low
63°F
Warmest
2002
82°F avg
Coldest
1980
60°F avg
About This Date
August 17th in Hartford, CT typically brings warm summer weather, with average highs around 83°F and lows near 63°F. Over 55 years of records, the warmest August 17th was in 2002 (82°F average), while the coldest was 1980 (60°F) — a 22°F range across recorded history. Rain or other precipitation has occurred on about 33% of August 17th dates historically, with the wettest August 17th recording 3.96" of rain. The last decade has been 1.9°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.9°F warmer on this date compared to 20-30 years ago.
Planning for August 17th in Hartford, CT? Stay hydrated and seek shade during peak afternoon hours. Consider bringing rain gear or an umbrella.
Warming Trend
1.3°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 92° | 70° | 81° | — | — |
| 2024 | 79° | 68° | 73° | — | — |
| 2023 | 76° | 68° | 72° | — | — |
| 2022 | 81° | 65° | 73° | 0.1" | — |
| 2021 | 83° | 67° | 75° | — | — |
| 2020 | 83° | 65° | 74° | 0.86" | — |
| 2019 | 85° | 69° | 77° | 0.36" | — |
| 2018 | 88° | 69° | 78° | 0.61" | — |
| 2017 | 82° | 60° | 71° | — | — |
| 2016 | 87° | 72° | 79° | 0.15" | — |
| 2015 | 91° | 68° | 80° | — | — |
| 2014 | 80° | 64° | 72° | — | — |
| 2013 | 82° | 56° | 69° | — | — |
| 2012 | 87° | 64° | 76° | 1.52" | — |
| 2011 | 88° | 60° | 74° | — | — |
| 2010 | 90° | 70° | 80° | 0.1" | — |
| 2009 | 94° | 71° | 82° | — | — |
| 2008 | 84° | 60° | 72° | — | — |
| 2007 | 81° | 58° | 69° | 0.84" | — |
| 2006 | 84° | 61° | 72° | — | — |
| 2005 | 85° | 63° | 74° | — | — |
| 2004 | 78° | 58° | 68° | — | — |
| 2003 | 79° | 66° | 72° | 0.28" | — |
| 2002warmest | 93° | 71° | 82° | — | — |
| 2001 | 84° | 66° | 75° | 0.43" | — |
| 2000 | 74° | 57° | 65° | — | — |
| 1999 | 89° | 70° | 79° | — | — |
| 1998 | 87° | 48° | 68° | — | — |
| 1997 | 91° | 71° | 81° | 0.05" | — |
| 1996 | 77° | 62° | 70° | 0.08" | — |
| 1995 | 92° | 71° | 81° | — | — |
| 1994 | 79° | 59° | 69° | — | — |
| 1993 | 81° | 67° | 74° | 3.51" | — |
| 1992 | 66° | 60° | 63° | 3.96" | — |
| 1991 | 88° | 68° | 78° | — | — |
| 1990 | 87° | 64° | 76° | — | — |
| 1989 | 88° | 67° | 77° | — | — |
| 1988 | 83° | 63° | 73° | — | — |
| 1987 | 90° | 67° | 78° | — | — |
| 1986 | 79° | 70° | 74° | — | — |
| 1985 | 80° | 60° | 70° | — | — |
| 1984 | 90° | 61° | 75° | 0.89" | — |
| 1983 | 89° | 60° | 75° | — | — |
| 1982 | 88° | 61° | 74° | — | — |
| 1981 | 87° | 54° | 70° | — | — |
| 1980coldest | 72° | 48° | 60° | — | — |
| 1979 | 75° | 46° | 61° | — | — |
| 1978 | 87° | 69° | 78° | — | — |
| 1977 | 75° | 57° | 66° | 0.58" | — |
| 1976 | 76° | 55° | 65° | — | — |
| 1975 | 70° | 59° | 64° | 0.08" | — |
| 1974 | 86° | 57° | 72° | — | — |
| 1973 | 83° | 65° | 74° | — | — |
| 1972 | 72° | 58° | 65° | 0.03" | — |
| 1971 | 86° | 53° | 70° | — | — |
55 years of data from HARTFORD BRAINARD FLD