Weather on October 17
New Haven, CT
55 Years of Data
Avg High
64°F
Avg Low
46°F
Warmest
1980
69°F avg
Coldest
1978
43°F avg
About This Date
October 17th in New Haven, CT typically brings mild fall weather, with average highs around 64°F and lows near 46°F. Over 54 years of records, the warmest October 17th was in 1980 (69°F average), while the coldest was 1978 (43°F) — a 26°F range across recorded history. Rain or other precipitation has occurred on about 26% of October 17th dates historically, with the wettest October 17th recording 3.56" of rain. The last decade has been 2.3°F warmer on this date compared to 20-30 years ago.
The last decade has been 2.3°F warmer on this date compared to 20-30 years ago.
Planning for October 17th in New Haven, CT? Great weather for outdoor activities.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 67° | 44° | 55° | — | — |
| 2024 | 60° | 39° | 50° | — | — |
| 2023 | 66° | 47° | 56° | — | — |
| 2022 | 68° | 48° | 58° | 0.05" | — |
| 2021 | 66° | 54° | 60° | — | — |
| 2020 | 62° | 39° | 51° | 0.97" | — |
| 2019 | 65° | 54° | 59° | 0.33" | — |
| 2018 | 63° | 46° | 54° | — | — |
| 2017 | 58° | 35° | 46° | — | — |
| 2016 | 75° | 60° | 68° | — | — |
| 2015 | 55° | 38° | 46° | — | — |
| 2014 | 71° | 60° | 66° | — | — |
| 2013 | 70° | 62° | 66° | 0.03" | — |
| 2012 | 59° | 36° | 47° | — | — |
| 2011 | 67° | 57° | 62° | 0.03" | — |
| 2010 | 69° | 43° | 56° | — | — |
| 2009 | 51° | 39° | 45° | — | — |
| 2008 | 64° | 43° | 53° | — | — |
| 2007 | 67° | 43° | 55° | — | — |
| 2006 | 61° | 41° | 51° | 1.22" | — |
| 2005 | 64° | 52° | 58° | — | — |
| 2004 | 56° | 46° | 51° | — | — |
| 2003 | 56° | 43° | 49° | 0.51" | — |
| 2002 | 61° | 46° | 53° | 0.1" | — |
| 2001 | 61° | 45° | 53° | 0.03" | — |
| 2000 | 61° | 45° | 53° | — | — |
| 1999 | 70° | 49° | 59° | 1.52" | — |
| 1997 | 54° | 37° | 45° | — | — |
| 1996 | 75° | 45° | 60° | — | — |
| 1995 | 58° | 32° | 45° | — | — |
| 1994 | 66° | 38° | 52° | — | — |
| 1993 | 64° | 46° | 55° | — | — |
| 1992 | 68° | 45° | 56° | — | — |
| 1991 | 60° | 47° | 53° | 0.05" | — |
| 1990 | 71° | 44° | 58° | — | — |
| 1989 | 68° | 62° | 65° | 3.56" | — |
| 1988 | 69° | 34° | 51° | — | — |
| 1987 | 61° | 57° | 59° | — | — |
| 1986 | 52° | 44° | 48° | — | — |
| 1985 | 60° | 35° | 48° | — | — |
| 1984 | 74° | 51° | 62° | — | — |
| 1983 | 60° | 44° | 52° | — | — |
| 1982 | 54° | 36° | 45° | — | — |
| 1981 | 67° | 42° | 54° | — | — |
| 1980warmest | 78° | 59° | 69° | — | — |
| 1979 | 66° | 46° | 56° | — | — |
| 1978coldest | 54° | 33° | 43° | — | — |
| 1977 | 60° | 45° | 52° | 0.64" | — |
| 1976 | 61° | 41° | 51° | — | — |
| 1975 | 60° | 43° | 51° | 1.55" | — |
| 1974 | 63° | 49° | 56° | — | — |
| 1973 | 58° | 46° | 52° | — | — |
| 1972 | 67° | 55° | 61° | — | — |
| 1971 | 73° | 55° | 64° | — | — |
54 years of data from NEW HAVEN