Weather on February 18
Allentown, PA
55 Years of Data
Avg High
41°F
Avg Low
23°F
Warmest
2011
52°F avg
Coldest
1979
2°F avg
About This Date
February 18th in Allentown, PA typically brings chilly winter weather, with average highs around 41°F and lows near 23°F. Over 56 years of records, the warmest February 18th was in 2011 (52°F average), while the coldest was 1979 (2°F) — a 50°F range across recorded history. Precipitation has occurred on 38% of recorded February 18th dates, with snow falling 11% of the time (heaviest snowfall: 4.4"). The last decade has been 2.5°F warmer on this date compared to 20-30 years ago.
The last decade has been 2.5°F warmer on this date compared to 20-30 years ago.
Planning for February 18th in Allentown, PA? Bring layers as temperatures can vary throughout the day. Consider bringing rain gear or an umbrella.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026 | 39° | 28° | 34° | 0.33" | — |
| 2025 | 26° | 15° | 21° | — | — |
| 2024 | 36° | 13° | 25° | — | — |
| 2023 | 42° | 23° | 33° | — | — |
| 2022 | 63° | 23° | 43° | 0.36" | — |
| 2021 | 27° | 21° | 24° | 0.99" | 4.4" |
| 2020 | 54° | 33° | 43° | 0.1" | — |
| 2019 | 41° | 27° | 34° | 0.3" | — |
| 2018 | 44° | 25° | 35° | — | — |
| 2017 | 67° | 23° | 45° | — | — |
| 2016 | 34° | 20° | 27° | — | — |
| 2015 | 31° | -2° | 15° | — | — |
| 2014 | 37° | 17° | 27° | 0.46" | 1.3" |
| 2013 | 35° | 16° | 25° | — | — |
| 2012 | 51° | 26° | 39° | 0.05" | — |
| 2011warmest | 67° | 37° | 52° | 0.08" | — |
| 2010 | 41° | 29° | 35° | — | — |
| 2009 | 36° | 19° | 27° | 0.79" | 0.6" |
| 2008 | 66° | 29° | 47° | 1.73" | — |
| 2007 | 29° | 16° | 22° | — | — |
| 2006 | 33° | 14° | 24° | — | — |
| 2005 | 28° | 18° | 23° | — | — |
| 2004 | 42° | 20° | 31° | — | — |
| 2003 | 31° | 19° | 25° | 0.03" | — |
| 2002 | 45° | 26° | 35° | — | — |
| 2001 | 32° | 12° | 22° | — | — |
| 2000 | 30° | 26° | 28° | 1.02" | 3.9" |
| 1999 | 43° | 32° | 37° | 1.32" | — |
| 1998 | 45° | 42° | 43° | 0.51" | — |
| 1997 | 55° | 25° | 40° | — | — |
| 1996 | 29° | 16° | 22° | — | — |
| 1995 | 51° | 22° | 36° | — | — |
| 1994 | 57° | 15° | 36° | — | — |
| 1993 | 25° | 12° | 18° | — | — |
| 1992 | 40° | 35° | 37° | 0.15" | — |
| 1991 | 37° | 23° | 30° | 0.3" | — |
| 1990 | 40° | 14° | 27° | — | — |
| 1989 | 32° | 19° | 26° | — | — |
| 1988 | 47° | 25° | 36° | — | — |
| 1987 | 38° | 21° | 29° | — | — |
| 1986 | 37° | 33° | 35° | 2.16" | — |
| 1985 | 46° | 28° | 37° | — | — |
| 1984 | 54° | 39° | 46° | 0.08" | — |
| 1983 | 47° | 37° | 42° | — | — |
| 1982 | 33° | 27° | 30° | — | — |
| 1981 | 65° | 34° | 49° | — | — |
| 1980 | 31° | 7° | 19° | — | — |
| 1979coldest | 10° | -6° | 2° | — | — |
| 1978 | 31° | 21° | 26° | 0.3" | 2.1" |
| 1977 | 35° | 10° | 23° | — | — |
| 1976 | 41° | 36° | 38° | 0.76" | — |
| 1975 | 42° | 34° | 38° | — | — |
| 1974 | 40° | 25° | 32° | — | — |
| 1973 | 31° | 6° | 18° | — | — |
| 1972 | 35° | 28° | 32° | 0.03" | 0.1" |
| 1971 | 49° | 28° | 38° | — | — |
56 years of data from ALLENTOWN LEHIGH VLY INTL AP