The weather statistics displayed here represent the value of each meteorological parameter for each month of the year. The sampling period for this data covers 30 years. Record maximums and minimums are updated annually.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
| Average high | 43.1 | 46.4 | 50.2 | 55.5 | 61.6 | 66.5 | 71.1 | 71.3 | 65.7 | 56.3 | 48.2 | 43.1 |
| Average low | 32.9 | 34.7 | 37.5 | 41.5 | 47.2 | 52.2 | 55.7 | 56.1 | 50.9 | 43.8 | 37.5 | 33.4 |
| Average | 38 | 40.6 | 43.9 | 48.5 | 54.5 | 59.4 | 63.5 | 63.8 | 58.3 | 50.1 | 42.9 | 38.3 |
| Record daily high | 59.5 | 65.1 | 66.9 | 77 | 86.7 | 87.1 | 89.4 | 91.9 | 84.7 | 74.7 | 65.1 | 58.8 |
| Date | Jan 20 1981 | Feb 27 1986 | Mar 25 1960 | Apr 27 1987 | May 29 1983 | Jun 02 1970 | Jul 28 1998 | Aug 09 1960 | Sep 03 1988 | Oct 11 1991 | Nov 04 1980 | Dec 26 1980 |
| Record daily low | -0 | 3 | 15.1 | 26.1 | 33.1 | 39 | 44.1 | 43 | 32 | 21.4 | 6.3 | -0 |
| Date | Jan 14 1950 | Feb 01 1950 | Mar 10 1951 | Apr 19 1951 | May 01 1954 | Jun 01 1976 | Jul 02 1949 | Aug 28 1937 | Sep 29 1950 | Oct 31 1984 | Nov 27 1985 | Dec 29 1968 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
| Monthly rainfall (in) | 5.5 | 4.5 | 4.4 | 3.3 | 2.7 | 2.2 | 1.6 | 1.5 | 2.1 | 4.4 | 7 | 6.3 |
| Annual average: 1154 | ||||||||||||
| Monthly snowfall (in) | 6.5 | 3.8 | 1 | 0.2 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 6.4 |
| Annual average: 48 | ||||||||||||
| Monthly precipitation water equivalent (in) | 6 | 4.8 | 4.5 | 3.3 | 2.7 | 2.2 | 1.6 | 1.5 | 2.1 | 4.4 | 7.1 | 6.9 |
| Annual average: 1199 | ||||||||||||
| Single day record rainfall (in) | 2.7 | 2.5 | 1.9 | 1.8 | 1.4 | 1.9 | 1.8 | 1.6 | 1.9 | 2.4 | 2.6 | 3.5 |
| Date | Jan 18 1968 | Feb 13 1982 | Mar 09 1974 | Apr 10 1946 | May 27 1998 | Jun 29 1992 | Jul 12 1972 | Aug 30 1991 | Sep 24 1959 | Oct 29 1975 | Nov 03 1989 | Dec 25 1972 |
| Single day record snowfall (in) | 11.7 | 11.3 | 10.2 | 1.5 | 0 | 0 | 0 | 0 | 0 | 0.8 | 8.7 | 16.1 |
| Date | Jan 13 1971 | Feb 15 1990 | Mar 02 1962 | Apr 12 1981 | May 01 1937 | Jun 01 1937 | Jul 01 1937 | Aug 01 1937 | Sep 01 1937 | Oct 28 1991 | Nov 30 1975 | Dec 29 1996 |
| Single day record precipitation (in) | 2.7 | 2.5 | 1.9 | 1.8 | 1.4 | 1.9 | 1.8 | 1.6 | 1.9 | 2.4 | 2.6 | 3.5 |
| Date | Jan 18 1968 | Feb 13 1982 | Mar 09 1974 | Apr 10 1946 | May 27 1998 | Jun 29 1992 | Jul 12 1972 | Aug 30 1991 | Sep 24 1959 | Oct 29 1975 | Nov 03 1989 | Dec 25 1972 |