Weather on November 18
Allentown, PA
55 Years of Data
Avg High
50°F
Avg Low
31°F
Warmest
1975
55°F avg
Coldest
2020
28°F avg
About This Date
November 18th in Allentown, PA typically brings cool fall weather, with average highs around 50°F and lows near 31°F. Over 55 years of records, the warmest November 18th was in 1975 (55°F average), while the coldest was 2020 (28°F) — a 27°F range across recorded history. Precipitation has occurred on 25% of recorded November 18th dates, with snow falling 4% of the time (heaviest snowfall: 2.2"). The last decade has been 3.2°F warmer on this date compared to 20-30 years ago.
The last decade has been 3.2°F warmer on this date compared to 20-30 years ago.
Planning for November 18th in Allentown, PA? Bring layers as temperatures can vary throughout the day.
Cooling Trend
0.6°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 46° | 32° | 39° | — | — |
| 2024 | 64° | 37° | 51° | — | — |
| 2023 | 55° | 28° | 42° | — | — |
| 2022 | 42° | 28° | 35° | — | — |
| 2021 | 69° | 32° | 51° | 0.3" | — |
| 2020coldest | 35° | 21° | 28° | — | — |
| 2019 | 44° | 35° | 40° | 0.03" | — |
| 2018 | 42° | 34° | 38° | — | — |
| 2017 | 47° | 26° | 37° | 0.91" | — |
| 2016 | 70° | 33° | 51° | — | — |
| 2015 | 58° | 33° | 45° | — | — |
| 2014 | 38° | 19° | 29° | — | — |
| 2013 | 63° | 47° | 55° | 0.58" | — |
| 2012 | 49° | 25° | 37° | — | — |
| 2011 | 45° | 28° | 36° | — | — |
| 2010 | 53° | 34° | 43° | 0.05" | — |
| 2009 | 56° | 35° | 45° | — | — |
| 2008 | 37° | 24° | 31° | — | — |
| 2007 | 38° | 33° | 35° | 1.22" | 2.2" |
| 2006 | 46° | 34° | 40° | — | — |
| 2005 | 38° | 25° | 31° | — | — |
| 2004 | 58° | 42° | 50° | — | — |
| 2003 | 55° | 38° | 46° | — | — |
| 2002 | 46° | 31° | 38° | 0.15" | — |
| 2001 | 52° | 27° | 39° | — | — |
| 2000 | 43° | 26° | 34° | — | — |
| 1999 | 49° | 20° | 34° | — | — |
| 1998 | 50° | 30° | 40° | — | — |
| 1997 | 41° | 18° | 29° | — | — |
| 1996 | 54° | 25° | 39° | 0.33" | — |
| 1995 | 42° | 25° | 33° | — | — |
| 1994 | 56° | 49° | 52° | 0.05" | — |
| 1993 | 56° | 36° | 46° | — | — |
| 1992 | 41° | 36° | 38° | — | — |
| 1991 | 53° | 24° | 39° | — | — |
| 1990 | 45° | 26° | 35° | — | — |
| 1989 | 45° | 23° | 34° | — | — |
| 1988 | 51° | 34° | 42° | — | — |
| 1987 | 63° | 43° | 53° | 0.89" | — |
| 1986 | 48° | 33° | 41° | 2.69" | 0.4" |
| 1985 | 57° | 30° | 44° | — | — |
| 1984 | 45° | 32° | 38° | 0.38" | — |
| 1983 | 50° | 28° | 39° | — | — |
| 1982 | 52° | 30° | 41° | — | — |
| 1981 | 53° | 44° | 49° | — | — |
| 1980 | 37° | 32° | 35° | 0.89" | — |
| 1979 | 64° | 41° | 53° | — | — |
| 1978 | 65° | 41° | 53° | 0.46" | — |
| 1977 | 48° | 37° | 43° | — | — |
| 1976 | 51° | 29° | 40° | — | — |
| 1975warmest | 68° | 41° | 55° | — | — |
| 1974 | 53° | 29° | 41° | — | — |
| 1973 | 45° | 27° | 36° | — | — |
| 1972 | 46° | 24° | 35° | — | — |
| 1971 | 60° | 30° | 45° | — | — |
55 years of data from ALLENTOWN LEHIGH VLY INTL AP