Weather on October 23
New Haven, CT
55 Years of Data
Avg High
63°F
Avg Low
44°F
Warmest
2007
71°F avg
Coldest
1997
36°F avg
About This Date
October 23rd in New Haven, CT typically brings mild fall weather, with average highs around 63°F and lows near 44°F. Over 54 years of records, the warmest October 23rd was in 2007 (71°F average), while the coldest was 1997 (36°F) — a 35°F range across recorded history. Rain or other precipitation has occurred on about 30% of October 23rd dates historically, with the wettest October 23rd recording 5.66" of rain. The last decade has been 11.5°F warmer on this date compared to 20-30 years ago.
The last decade has been 11.5°F warmer on this date compared to 20-30 years ago.
Planning for October 23rd in New Haven, CT? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 62° | 52° | 57° | — | — |
| 2024 | 74° | 50° | 62° | — | — |
| 2023 | 64° | 43° | 53° | — | — |
| 2022 | 58° | 51° | 54° | 0.1" | — |
| 2021 | 62° | 48° | 55° | — | — |
| 2020 | 66° | 63° | 64° | — | — |
| 2019 | 69° | 54° | 61° | 0.3" | — |
| 2018 | 64° | 44° | 54° | 0.1" | — |
| 2017 | 73° | 46° | 60° | — | — |
| 2016 | 62° | 47° | 54° | — | — |
| 2015 | 59° | 37° | 48° | — | — |
| 2014 | 58° | 51° | 54° | 0.15" | — |
| 2013 | 51° | 36° | 43° | — | — |
| 2012 | 67° | 45° | 56° | 0.2" | — |
| 2011 | 58° | 40° | 49° | — | — |
| 2010 | 63° | 44° | 53° | — | — |
| 2009 | 64° | 47° | 55° | 0.15" | — |
| 2008 | 54° | 32° | 43° | — | — |
| 2007warmest | 75° | 66° | 71° | — | — |
| 2006 | 57° | 47° | 52° | 0.03" | — |
| 2005 | 53° | 39° | 46° | 0.03" | — |
| 2004 | 50° | 39° | 45° | — | — |
| 2003 | 46° | 35° | 41° | — | — |
| 2002 | 52° | 36° | 44° | — | — |
| 2001 | 65° | 51° | 58° | — | — |
| 2000 | 59° | 31° | 45° | — | — |
| 1999 | 55° | 40° | 47° | 0.3" | — |
| 1997coldest | 53° | 20° | 36° | — | — |
| 1996 | 62° | 40° | 51° | 0.05" | — |
| 1995 | 74° | 37° | 55° | — | — |
| 1994 | 71° | 52° | 61° | 1.22" | — |
| 1993 | 57° | 33° | 45° | — | — |
| 1992 | 58° | 32° | 45° | — | — |
| 1991 | 69° | 47° | 58° | — | — |
| 1990 | 65° | 60° | 62° | 5.66" | — |
| 1989 | 67° | 38° | 52° | — | — |
| 1988 | 59° | 47° | 53° | — | — |
| 1987 | 58° | 43° | 50° | — | — |
| 1986 | 74° | 53° | 63° | 0.1" | — |
| 1985 | 67° | 35° | 51° | — | — |
| 1984 | 69° | 60° | 65° | 4.5" | — |
| 1983 | 53° | 34° | 43° | 2.36" | — |
| 1982 | 51° | 30° | 41° | — | — |
| 1981 | 64° | 58° | 61° | 2.24" | — |
| 1980 | 57° | 38° | 47° | — | — |
| 1979 | 83° | 58° | 70° | — | — |
| 1978 | 78° | 50° | 64° | — | — |
| 1977 | 70° | 43° | 56° | — | — |
| 1976 | 50° | 37° | 44° | — | — |
| 1975 | 70° | 47° | 58° | — | — |
| 1974 | 66° | 40° | 53° | — | — |
| 1973 | 68° | 39° | 54° | — | — |
| 1972 | 63° | 53° | 58° | — | — |
| 1971 | 71° | 57° | 64° | — | — |
54 years of data from NEW HAVEN