Weather on October 17
Hartford, CT
55 Years of Data
Avg High
62°F
Avg Low
41°F
Warmest
2016
68°F avg
Coldest
1978
42°F avg
About This Date
October 17th in Hartford, CT typically brings mild fall weather, with average highs around 62°F and lows near 41°F. Over 55 years of records, the warmest October 17th was in 2016 (68°F average), while the coldest was 1978 (42°F) — a 26°F range across recorded history. Rain or other precipitation has occurred on about 25% of October 17th dates historically, with the wettest October 17th recording 3.4" of rain. The last decade has been 2.0°F warmer on this date compared to 20-30 years ago.
The last decade has been 2.0°F warmer on this date compared to 20-30 years ago.
Planning for October 17th in Hartford, CT? Great weather for outdoor activities.
Warming Trend
0.9°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 65° | 36° | 50° | — | — |
| 2024 | 59° | 33° | 46° | — | — |
| 2023 | 66° | 43° | 54° | — | — |
| 2022 | 59° | 45° | 52° | 0.03" | — |
| 2021 | 65° | 50° | 57° | 0.15" | — |
| 2020 | 61° | 37° | 49° | 1.5" | — |
| 2019 | 59° | 50° | 55° | 0.58" | — |
| 2018 | 62° | 39° | 51° | 0.03" | — |
| 2017 | 59° | 37° | 48° | — | — |
| 2016warmest | 80° | 55° | 68° | — | — |
| 2015 | 55° | 38° | 46° | — | — |
| 2014 | 72° | 57° | 64° | — | — |
| 2013 | 73° | 55° | 64° | 0.1" | — |
| 2012 | 60° | 35° | 48° | — | — |
| 2011 | 67° | 53° | 60° | — | — |
| 2010 | 68° | 40° | 54° | — | — |
| 2009 | 52° | 38° | 45° | — | — |
| 2008 | 60° | 41° | 51° | — | — |
| 2007 | 69° | 42° | 56° | — | — |
| 2006 | 58° | 39° | 48° | 0.58" | — |
| 2005 | 63° | 46° | 54° | — | — |
| 2004 | 56° | 42° | 49° | — | — |
| 2003 | 58° | 37° | 47° | 0.2" | — |
| 2002 | 62° | 42° | 52° | 0.15" | — |
| 2001 | 60° | 47° | 53° | 0.05" | — |
| 2000 | 58° | 45° | 51° | — | — |
| 1999 | 75° | 51° | 63° | 0.86" | — |
| 1998 | 64° | 32° | 48° | — | — |
| 1997 | 54° | 36° | 45° | — | — |
| 1996 | 72° | 24° | 48° | — | — |
| 1995 | 59° | 36° | 47° | — | — |
| 1994 | 64° | 34° | 49° | — | — |
| 1993 | 62° | 47° | 54° | — | — |
| 1992 | 56° | 32° | 44° | — | — |
| 1991 | 58° | 45° | 51° | — | — |
| 1990 | 65° | 41° | 53° | — | — |
| 1989 | 65° | 63° | 64° | 0.03" | — |
| 1988 | 64° | 47° | 55° | — | — |
| 1987 | 65° | 33° | 49° | — | — |
| 1986 | 58° | 36° | 47° | — | — |
| 1985 | 60° | 33° | 47° | — | — |
| 1984 | 73° | 36° | 54° | — | — |
| 1983 | 58° | 36° | 47° | — | — |
| 1982 | 56° | 35° | 45° | — | — |
| 1981 | 67° | 39° | 53° | — | — |
| 1980 | 64° | 41° | 53° | — | — |
| 1979 | 59° | 40° | 49° | — | — |
| 1978coldest | 55° | 29° | 42° | — | — |
| 1977 | 65° | 37° | 51° | 0.86" | — |
| 1976 | 62° | 36° | 49° | — | — |
| 1975 | 68° | 45° | 56° | — | — |
| 1974 | 56° | 43° | 49° | 3.4" | — |
| 1973 | 60° | 39° | 50° | — | — |
| 1972 | 50° | 36° | 43° | — | — |
| 1971 | 62° | 42° | 52° | — | — |
55 years of data from HARTFORD BRAINARD FLD