Weather on October 18
Manchester, NH
55 Years of Data
Avg High
59°F
Avg Low
38°F
Warmest
1998
64°F avg
Coldest
1978
35°F avg
About This Date
October 18th in Manchester, NH typically brings cool fall weather, with average highs around 59°F and lows near 38°F. Over 55 years of records, the warmest October 18th was in 1998 (64°F average), while the coldest was 1978 (35°F) — a 29°F range across recorded history. Rain or other precipitation has occurred on about 22% of October 18th dates historically, with the wettest October 18th recording 2.34" of rain. The last decade has been 2.6°F warmer on this date compared to 20-30 years ago.
The last decade has been 2.6°F warmer on this date compared to 20-30 years ago.
Planning for October 18th in Manchester, NH? Bring layers as temperatures can vary throughout the day.
Warming Trend
1.3°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 65° | 34° | 49° | — | — |
| 2024 | 67° | 39° | 53° | — | — |
| 2023 | 62° | 50° | 56° | — | — |
| 2022 | 64° | 39° | 52° | — | — |
| 2021 | 61° | 46° | 53° | — | — |
| 2020 | 61° | 32° | 46° | — | — |
| 2019 | 57° | 46° | 52° | — | — |
| 2018 | 46° | 32° | 39° | — | — |
| 2017 | 73° | 40° | 56° | — | — |
| 2016 | 62° | 53° | 58° | 0.28" | — |
| 2015 | 44° | 31° | 38° | — | — |
| 2014 | 69° | 55° | 62° | — | — |
| 2013 | 67° | 49° | 58° | 0.2" | — |
| 2012 | 66° | 40° | 53° | — | — |
| 2011 | 65° | 43° | 54° | — | — |
| 2010 | 57° | 36° | 46° | — | — |
| 2009 | 42° | 35° | 39° | 0.97" | — |
| 2008 | 54° | 33° | 43° | — | — |
| 2007 | 70° | 46° | 58° | — | — |
| 2006 | 67° | 47° | 57° | 0.53" | — |
| 2005 | 62° | 45° | 53° | 0.05" | — |
| 2004 | 57° | 40° | 48° | — | — |
| 2003 | 52° | 37° | 44° | — | — |
| 2002 | 56° | 37° | 46° | — | — |
| 2001 | 58° | 32° | 45° | — | — |
| 2000 | 49° | 46° | 47° | 1.5" | — |
| 1999 | 61° | 38° | 49° | 0.97" | — |
| 1998warmest | 79° | 49° | 64° | — | — |
| 1997 | 58° | 32° | 45° | — | — |
| 1996 | 58° | 36° | 47° | — | — |
| 1995 | 54° | 27° | 40° | — | — |
| 1994 | 60° | 32° | 46° | — | — |
| 1993 | 59° | 49° | 54° | 0.08" | — |
| 1992 | 49° | 25° | 37° | — | — |
| 1991 | 57° | 38° | 47° | 0.46" | — |
| 1990 | 69° | 35° | 52° | — | — |
| 1989 | 62° | 35° | 49° | 2.31" | — |
| 1988 | 63° | 50° | 56° | — | — |
| 1987 | 63° | 49° | 56° | — | — |
| 1986 | 49° | 35° | 42° | — | — |
| 1985 | 57° | 33° | 45° | — | — |
| 1984 | 62° | 35° | 49° | — | — |
| 1983 | 58° | 37° | 47° | — | — |
| 1982 | 50° | 30° | 40° | — | — |
| 1981 | 61° | 30° | 45° | — | — |
| 1980 | 70° | 52° | 61° | — | — |
| 1979 | 62° | 35° | 49° | — | — |
| 1978coldest | 48° | 21° | 35° | — | — |
| 1977 | 49° | 41° | 45° | 0.28" | — |
| 1976 | 52° | 33° | 42° | — | — |
| 1975 | 58° | 41° | 49° | 2.34" | — |
| 1974 | 54° | 35° | 44° | — | — |
| 1973 | 56° | 30° | 43° | — | — |
| 1972 | 58° | 25° | 41° | — | — |
| 1971 | 60° | 36° | 48° | — | — |
55 years of data from MANCHESTER