October weather in Wilmington, IL
The average temperature in Wilmington in October is 55.1°F (43.4°F–66.8°F). Average precipitation: 3.02 inches.
October is a fall month in Wilmington, and is warmer than the annual average of 52.9°F. Daily temperatures swing about 23.4°F between overnight low and afternoon high. Expect about 10 days with precipitation. Daylight averages about 10h 56m. For travel, October is a comfortable month to visit.
Avg High
66.8°F
Avg Low
43.4°F
Precipitation
3.02 in
Daylight
10h 56m
October records in Wilmington
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| October 1 | 91.9°F (2023) | 30.0°F (1920) | 1.96 in (1977) |
| October 2 | 95.0°F (1953) | 30.9°F (1985) | 2.28 in (1926) |
| October 3 | 93.0°F (1922) | 28.0°F (1987) | 1.77 in (1925) |
| October 4 | 93.9°F (2006) | 28.0°F (1987) | 2.58 in (1941) |
| October 5 | 91.0°F (1922) | 28.9°F (1987) | 3.52 in (1941) |
| October 6 | 90.0°F (1939) | 27.0°F (1932) | 1.52 in (1955) |
| October 7 | 95.0°F (1939) | 23.0°F (1952) | 1.30 in (1930) |
| October 8 | 91.0°F (1939) | 24.1°F (1952) | 2.45 in (1914) |
| October 9 | 90.0°F (1938) | 24.1°F (1987) | 2.13 in (2009) |
| October 10 | 91.0°F (1963) | 27.0°F (1925) | 2.30 in (1959) |
| October 11 | 88.0°F (1938) | 27.0°F (1917) | 2.01 in (1969) |
| October 12 | 88.0°F (1928) | 19.9°F (1987) | 3.48 in (1969) |
| October 13 | 87.1°F (1940) | 17.1°F (1917) | 1.10 in (1931) |
| October 14 | 89.1°F (1947) | 26.1°F (1909) | 1.67 in (2012) |
| October 15 | 88.0°F (1938) | 26.1°F (1937) | 0.94 in (2000) |
| October 16 | 87.1°F (1950) | 27.0°F (2020) | 1.56 in (1914) |
| October 17 | 88.0°F (1947) | 27.0°F (1943) | 1.94 in (1946) |
| October 18 | 88.0°F (2016) | 21.9°F (1948) | 2.40 in (1905) |
| October 19 | 84.9°F (1924) | 21.9°F (1972) | 2.07 in (1982) |
| October 20 | 86.0°F (1947) | 21.9°F (1930) | 2.07 in (1909) |
| October 21 | 87.1°F (1947) | 24.1°F (1917) | 1.35 in (1933) |
| October 22 | 89.1°F (1908) | 21.0°F (1976) | 0.99 in (1913) |
| October 23 | 84.9°F (1939) | 26.1°F (1917) | 1.95 in (2009) |
| October 24 | 84.9°F (1940) | 21.9°F (1981) | 1.43 in (1920) |
| October 25 | 89.1°F (1940) | 19.0°F (2013) | 1.45 in (1932) |
| October 26 | 87.1°F (1940) | 19.0°F (1942) | 1.41 in (2022) |
| October 27 | 87.1°F (1927) | 21.0°F (1925) | 2.05 in (1919) |
| October 28 | 88.0°F (1927) | 19.0°F (1925) | 1.26 in (1919) |
| October 29 | 86.0°F (1937) | 19.0°F (1910) | 1.02 in (1921) |
| October 30 | 88.0°F (1950) | 12.9°F (1925) | 2.83 in (2009) |
| October 31 | 87.1°F (1950) | 16.0°F (1925) | 1.91 in (1919) |