Weather on November 18
New Haven, CT
55 Years of Data
Avg High
52°F
Avg Low
35°F
Warmest
1987
62°F avg
Coldest
1995
30°F avg
About This Date
November 18th in New Haven, CT typically brings cool fall weather, with average highs around 52°F and lows near 35°F. Over 54 years of records, the warmest November 18th was in 1987 (62°F average), while the coldest was 1995 (30°F) — a 32°F range across recorded history. Rain or other precipitation has occurred on about 20% of November 18th dates historically, with the wettest November 18th recording 2.54" of rain. The last decade has been 5.2°F warmer on this date compared to 20-30 years ago.
The last decade has been 5.2°F warmer on this date compared to 20-30 years ago.
Planning for November 18th in New Haven, CT? Bring layers as temperatures can vary throughout the day.
Cooling Trend
0.4°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 50° | 31° | 40° | — | — |
| 2024 | 66° | 39° | 53° | — | — |
| 2023 | 59° | 39° | 49° | 0.15" | — |
| 2022 | 46° | 37° | 42° | — | — |
| 2021 | 65° | 47° | 56° | 0.08" | — |
| 2020 | 38° | 24° | 31° | — | — |
| 2019 | 47° | 39° | 43° | — | — |
| 2018 | 43° | 34° | 38° | — | — |
| 2017 | 57° | 24° | 41° | 0.43" | — |
| 2016 | 57° | 32° | 45° | — | — |
| 2015 | 56° | 28° | 42° | — | — |
| 2014 | 49° | 28° | 39° | — | — |
| 2013 | 61° | 52° | 56° | 0.81" | — |
| 2012 | 51° | 33° | 42° | — | — |
| 2011 | 47° | 37° | 42° | — | — |
| 2010 | 56° | 45° | 50° | — | — |
| 2009 | 55° | 34° | 44° | — | — |
| 2008 | 43° | 30° | 37° | — | — |
| 2007 | 46° | 31° | 39° | — | — |
| 2006 | 52° | 43° | 47° | — | — |
| 2005 | 41° | 25° | 33° | — | — |
| 2004 | 55° | 32° | 44° | — | — |
| 2003 | 52° | 41° | 46° | — | — |
| 2002 | 47° | 36° | 41° | 0.23" | — |
| 2001 | 55° | 25° | 40° | — | — |
| 2000 | 47° | 23° | 35° | — | — |
| 1999 | 50° | 21° | 36° | — | — |
| 1997 | 40° | 20° | 30° | — | — |
| 1996 | 56° | 29° | 42° | — | — |
| 1995coldest | 40° | 21° | 30° | — | — |
| 1994 | 56° | 44° | 50° | 0.74" | — |
| 1993 | 51° | 44° | 48° | 0.43" | — |
| 1992 | 45° | 31° | 38° | — | — |
| 1991 | 60° | 31° | 45° | — | — |
| 1990 | 55° | 43° | 49° | — | — |
| 1989 | 56° | 47° | 51° | — | — |
| 1988 | 51° | 37° | 44° | — | — |
| 1987warmest | 69° | 56° | 62° | 0.43" | — |
| 1986 | 52° | 42° | 47° | — | — |
| 1985 | 56° | 32° | 44° | — | — |
| 1984 | 50° | 36° | 43° | — | — |
| 1983 | 46° | 34° | 40° | — | — |
| 1982 | 46° | 32° | 39° | — | — |
| 1981 | 52° | 44° | 48° | 1.4" | — |
| 1980 | 40° | 32° | 36° | 2.54" | — |
| 1979 | 59° | 30° | 45° | — | — |
| 1978 | 65° | 47° | 56° | — | — |
| 1977 | 56° | 41° | 48° | 0.86" | — |
| 1976 | 53° | 39° | 46° | — | — |
| 1975 | 67° | 41° | 54° | — | — |
| 1974 | 56° | 27° | 41° | — | — |
| 1973 | 49° | 34° | 41° | — | — |
| 1972 | 47° | 32° | 39° | — | — |
| 1971 | 56° | 38° | 47° | — | — |
54 years of data from NEW HAVEN