
| Data courtesy of PA State Climatologist | updated 06/10/08 | |||||
| Date | Normal High | Record High | Year of Record | Normal Low | Record Low | Year of Record |
| 1-Jan | 40 | 64 | 2005 | 27 | 4 | 1881 |
| 2-Jan | 40 | 67 | 1876 | 27 | 7 | 1968 |
| 3-Jan | 40 | 63 | 2000 | 27 | -3 | 1879 |
| 4-Jan | 40 | 68 | 1950 | 27 | 2 | 1918 |
| 5-Jan | 40 | 66 | 1997 | 26 | -2 | 1904 |
| 6-Jan | 40 | 73 | 2007 | 26 | 4 | 1896 |
| 7-Jan | 39 | 65 | 1950 | 26 | 7 | 1988 |
| 8-Jan | 39 | 69 | 1998 | 26 | 2 | 1970 |
| 9-Jan | 39 | 69 | 1930 | 26 | 1 | 1970 |
| 10-Jan | 39 | 63 | 1950 | 26 | -5 | 1875 |
| 11-Jan | 39 | 66 | 1975 | 26 | 1 | 1982 |
| 12-Jan | 39 | 72 | 1890 | 26 | 1 | 1981 |
| 13-Jan | 39 | 70 | 1932 | 25 | 0 | 1981 |
| 14-Jan | 39 | 73 | 1932 | 25 | 0 | 1914 |
| 15-Jan | 39 | 71 | 1932 | 25 | 2 | 1964 |
| 16-Jan | 39 | 62 | 2007 | 25 | 0 | 1977 |
| 17-Jan | 39 | 63 | 1913 | 25 | -7 | 1982 |
| 18-Jan | 38 | 64 | 2006 | 25 | -4 | 1982 |
| 19-Jan | 38 | 65 | 1951 | 25 | -5 | 1994 |
| 20-Jan | 38 | 65 | 1951 | 25 | -3 | 1984 |
| 21-Jan | 38 | 62 | 1959 | 25 | -6 | 1985 |
| 22-Jan | 38 | 70 | 1906 | 25 | -7 | 1984 |
| 23-Jan | 38 | 71 | 1906 | 25 | -2 | 1936 |
| 24-Jan | 39 | 69 | 1967 | 25 | 0 | 1882 |
| 25-Jan | 39 | 66 | 1967 | 25 | -2 | 1963 |
| 26-Jan | 39 | 74 | 1950 | 25 | 4 | 1961 |
| 27-Jan | 39 | 69 | 1916 | 25 | 4 | 1927 |
| 28-Jan | 39 | 67 | 1916 | 25 | 3 | 1961 |
| 29-Jan | 39 | 72 | 2002 | 25 | -5 | 1963 |
| 30-Jan | 39 | 70 | 1947 | 25 | 8 | 1948 |
| 31-Jan | 39 | 65 | 1947 | 25 | 3 | 1948 |
| 1-Feb | 39 | 70 | 2002 | 25 | 2 | 1920 |
| 2-Feb | 39 | 61 | 1988 | 26 | -4 | 1961 |
| 3-Feb | 39 | 62 | 2006 | 26 | 4 | 1881 |
| 4-Feb | 39 | 69 | 1991 | 26 | 2 | 1886 |
| 5-Feb | 40 | 69 | 1991 | 26 | -2 | 1918 |
| 6-Feb | 40 | 68 | 2008 | 26 | -3 | 1895 |
| 7-Feb | 41 | 67 | 2008 | 26 | 5 | 1910 |
| 8-Feb | 41 | 63 | 1925 | 26 | -2 | 1934 |
| 9-Feb | 41 | 64 | 1990 | 26 | -11 | 1934 |
| 10-Feb | 41 | 65 | 1925 | 26 | -6 | 1899 |
| 11-Feb | 41 | 66 | 1887 | 27 | -6 | 1899 |
| 12-Feb | 41 | 70 | 1999 | 27 | 2 | 1979 |
| 13-Feb | 42 | 66 | 1951 | 27 | 3 | 1983 |
| 14-Feb | 42 | 67 | 1990 | 27 | 2 | 1979 |
| 15-Feb | 42 | 74 | 1949 | 27 | 3 | 1943 |
| 16-Feb | 42 | 73 | 1954 | 27 | 2 | 1888 |
| 17-Feb | 43 | 68 | 1976 | 28 | -2 | 1896 |
| 18-Feb | 43 | 69 | 1891 | 28 | 0 | 1979 |
| 19-Feb | 43 | 68 | 1948 | 28 | 3 | 1903 |
| 20-Feb | 43 | 70 | 1939 | 28 | 1 | 1979 |
| 21-Feb | 44 | 72 | 1930 | 29 | 6 | 1968 |
| 22-Feb | 44 | 68 | 1997 | 29 | 7 | 1963 |
| 23-Feb | 44 | 75 | 1874 | 29 | 6 | 1963 |
| 24-Feb | 44 | 74 | 1985 | 29 | 2 | 1889 |
| 25-Feb | 45 | 79 | 1930 | 30 | 4 | 1894 |
| 26-Feb | 45 | 69 | 1890 | 30 | 10 | 1990 |
| 27-Feb | 45 | 74 | 1997 | 30 | 6 | 1900 |
| 28-Feb | 46 | 68 | 1976 | 30 | 9 | 1934 |
| 29-Feb | 45 | 69 | 1972 | 30 | 10 | 1884 |
| 1-Mar | 46 | 76 | 1972 | 31 | 9 | 1980 |
| 2-Mar | 46 | 77 | 1972 | 31 | 8 | 1886 |
| 3-Mar | 47 | 73 | 1991 | 31 | 10 | 1886 |
| 4-Mar | 47 | 74 | 1974 | 32 | 7 | 1943 |
| 5-Mar | 47 | 79 | 1976 | 32 | 5 | 1872 |
| 6-Mar | 48 | 71 | 1935 | 32 | 10 | 1978 |
| 7-Mar | 48 | 74 | 1974 | 32 | 9 | 1960 |
| 8-Mar | 48 | 80 | 2000 | 33 | 12 | 1986 |
| 9-Mar | 49 | 73 | 2000 | 33 | 12 | 1996 |
| 10-Mar | 49 | 76 | 2006 | 33 | 7 | 1984 |
| 11-Mar | 50 | 72 | 1977 | 34 | 12 | 1960 |
| 12-Mar | 50 | 83 | 1990 | 34 | 12 | 1900 |
| 13-Mar | 50 | 84 | 1990 | 34 | 8 | 1888 |
| 14-Mar | 51 | 85 | 1990 | 35 | 12 | 1888 |
| 15-Mar | 51 | 81 | 1990 | 35 | 11 | 1993 |
| 16-Mar | 51 | 82 | 1945 | 35 | 16 | 1916 |
| 17-Mar | 52 | 86 | 1945 | 35 | 10 | 1885 |
| 18-Mar | 52 | 78 | 1989 | 36 | 10 | 1916 |
| 19-Mar | 52 | 78 | 1918 | 36 | 9 | 1876 |
| 20-Mar | 53 | 83 | 1945 | 36 | 8 | 1885 |
| 21-Mar | 53 | 85 | 1948 | 37 | 6 | 1885 |
| 22-Mar | 53 | 80 | 1948 | 37 | 11 | 1885 |
| 23-Mar | 54 | 78 | 1938 | 37 | 14 | 1885 |
| 24-Mar | 54 | 76 | 1988 | 37 | 15 | 1896 |
| 25-Mar | 54 | 82 | 1910 | 38 | 16 | 1878 |
| 26-Mar | 55 | 80 | 1921 | 38 | 21 | 1960 |
| 27-Mar | 55 | 83 | 1921 | 38 | 21 | 1894 |
| 28-Mar | 56 | 83 | 1945 | 39 | 18 | 1923 |
| 29-Mar | 56 | 87 | 1945 | 39 | 14 | 1923 |
| 30-Mar | 56 | 86 | 1998 | 39 | 18 | 1887 |
| 31-Mar | 57 | 81 | 1998 | 39 | 21 | 1923 |
| 1-Apr | 57 | 81 | 1978 | 40 | 14 | 1923 |
| 2-Apr | 57 | 84 | 1967 | 40 | 25 | 1964 |
| 3-Apr | 58 | 87 | 1963 | 40 | 27 | 1894 |
| 4-Apr | 58 | 80 | 1892 | 40 | 25 | 1943 |
| 5-Apr | 58 | 81 | 1942 | 41 | 22 | 1981 |
| 6-Apr | 59 | 87 | 1942 | 41 | 24 | 1982 |
| 7-Apr | 59 | 90 | 1929 | 41 | 19 | 1982 |
| 8-Apr | 59 | 90 | 1929 | 42 | 23 | 1982 |
| 9-Apr | 60 | 84 | 1991 | 42 | 26 | 1977 |
| 10-Apr | 60 | 87 | 1922 | 42 | 22 | 1985 |
| 11-Apr | 60 | 84 | 1887 | 43 | 28 | 1966 |
| 12-Apr | 61 | 92 | 1977 | 43 | 18 | 1874 |
| 13-Apr | 61 | 89 | 1977 | 43 | 26 | 1940 |
| 14-Apr | 61 | 91 | 1941 | 44 | 24 | 1950 |
| 15-Apr | 62 | 88 | 1941 | 44 | 27 | 1943 |
| 16-Apr | 62 | 90 | 2002 | 44 | 27 | 1943 |
| 17-Apr | 63 | 95 | 2002 | 45 | 27 | 1980 |
| 18-Apr | 63 | 94 | 1976 | 45 | 25 | 1875 |
| 19-Apr | 63 | 91 | 1896 | 45 | 20 | 1875 |
| 20-Apr | 64 | 92 | 1941 | 46 | 27 | 1897 |
| 21-Apr | 64 | 89 | 1976 | 47 | 27 | 1875 |
| 22-Apr | 64 | 90 | 1985 | 47 | 30 | 1875 |
| 23-Apr | 65 | 91 | 1960 | 47 | 33 | 1982 |
| 24-Apr | 65 | 86 | 2001 | 47 | 33 | 1930 |
| 25-Apr | 66 | 92 | 1960 | 47 | 33 | 1956 |
| 26-Apr | 66 | 92 | 1990 | 48 | 35 | 1967 |
| 27-Apr | 66 | 93 | 1915 | 48 |