Weather on March 11
Allentown, PA
55 Years of Data
Avg High
50°F
Avg Low
29°F
Warmest
2026
62°F avg
Coldest
1996
23°F avg
About This Date
March 11th in Allentown, PA typically brings cool spring weather, with average highs around 50°F and lows near 29°F. Over 56 years of records, the warmest March 11th was in 2026 (62°F average), while the coldest was 1996 (23°F) — a 39°F range across recorded history. Precipitation has occurred on 32% of recorded March 11th dates, with snow falling 5% of the time. The last decade has been 12.4°F warmer on this date compared to 20-30 years ago.
The last decade has been 12.4°F warmer on this date compared to 20-30 years ago.
Planning for March 11th in Allentown, PA? Bring layers as temperatures can vary throughout the day. Consider bringing rain gear or an umbrella.
Warming Trend
1.9°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026warmest | 78° | 47° | 62° | 2.41" | — |
| 2025 | 71° | 28° | 50° | — | — |
| 2024 | 53° | 34° | 43° | — | — |
| 2023 | 41° | 28° | 35° | 0.05" | — |
| 2022 | 57° | 25° | 41° | — | — |
| 2021 | 73° | 41° | 57° | — | — |
| 2020 | 57° | 36° | 46° | — | — |
| 2019 | 55° | 37° | 46° | — | — |
| 2018 | 45° | 22° | 34° | — | — |
| 2017 | 29° | 16° | 23° | — | — |
| 2016 | 66° | 38° | 52° | 0.13" | — |
| 2015 | 53° | 36° | 44° | — | — |
| 2014 | 60° | 29° | 45° | — | — |
| 2013 | 58° | 37° | 47° | — | — |
| 2012 | 61° | 23° | 42° | — | — |
| 2011 | 56° | 36° | 46° | 0.86" | — |
| 2010 | 60° | 42° | 51° | — | — |
| 2009 | 58° | 41° | 49° | — | — |
| 2008 | 48° | 29° | 38° | — | — |
| 2007 | 47° | 28° | 37° | 0.03" | — |
| 2006 | 63° | 44° | 53° | — | — |
| 2005 | 42° | 25° | 33° | 0.18" | — |
| 2004 | 54° | 25° | 39° | — | — |
| 2003 | 36° | 14° | 25° | — | — |
| 2002 | 40° | 22° | 31° | — | — |
| 2001 | 50° | 21° | 36° | — | — |
| 2000 | 46° | 37° | 42° | 3.1" | — |
| 1999 | 38° | 21° | 29° | — | — |
| 1998 | 31° | 19° | 25° | — | — |
| 1997 | 49° | 28° | 38° | — | — |
| 1996coldest | 38° | 8° | 23° | — | — |
| 1995 | 51° | 24° | 38° | — | — |
| 1994 | 41° | 30° | 36° | — | — |
| 1993 | 38° | 27° | 32° | — | — |
| 1992 | 58° | 23° | 40° | 0.41" | 0.1" |
| 1991 | 37° | 22° | 29° | — | — |
| 1990 | 65° | 42° | 53° | 0.13" | — |
| 1989 | 46° | 20° | 33° | — | — |
| 1988 | 50° | 27° | 38° | — | — |
| 1987 | 37° | 14° | 26° | — | — |
| 1986 | 65° | 35° | 50° | 0.28" | — |
| 1985 | 59° | 28° | 44° | 0.25" | — |
| 1984 | 38° | 16° | 27° | — | — |
| 1983 | 45° | 36° | 40° | 0.05" | — |
| 1982 | 43° | 33° | 38° | 0.08" | — |
| 1981 | 39° | 30° | 35° | 0.36" | 0.7" |
| 1980 | 45° | 28° | 36° | — | — |
| 1979 | 44° | 23° | 34° | 0.3" | — |
| 1978 | 45° | 29° | 37° | — | — |
| 1977 | 71° | 37° | 54° | — | — |
| 1976 | 43° | 28° | 35° | 0.2" | 0.1" |
| 1975 | 41° | 32° | 37° | — | — |
| 1974 | 47° | 27° | 37° | — | — |
| 1973 | 45° | 40° | 42° | 0.36" | — |
| 1972 | 38° | 14° | 26° | — | — |
| 1971 | 48° | 30° | 39° | 0.1" | — |
56 years of data from ALLENTOWN LEHIGH VLY INTL AP