October weather in Merrionette Park, IL
The average temperature in Merrionette Park in October is 55.3°F (46.8°F–63.7°F). Average precipitation: 3.86 inches.
October is a fall month in Merrionette Park, and is warmer than the annual average of 52.4°F. Daily temperatures swing about 16.9°F between overnight low and afternoon high. Expect about 11 days with precipitation. Daylight averages about 10h 51m. For travel, October is a comfortable month to visit.
Avg High
63.7°F
Avg Low
46.8°F
Precipitation
3.86 in
Snow
0.1 in
October records in Merrionette Park
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| October 1 | 91.9°F (1971) | 32.0°F (1974) | 1.58 in (2016) |
| October 2 | 91.0°F (1971) | 28.0°F (1974) | 3.80 in (2006) |
| October 3 | 91.0°F (1954) | 28.9°F (1974) | 3.95 in (1954) |
| October 4 | 90.0°F (1951) | 34.0°F (1989) | 1.89 in (1991) |
| October 5 | 89.1°F (1997) | 30.9°F (1980) | 2.01 in (1955) |
| October 6 | 93.9°F (1963) | 28.0°F (1952) | 1.57 in (1955) |
| October 7 | 88.0°F (2007) | 30.9°F (2000) | 1.68 in (2025) |
| October 8 | 88.0°F (2007) | 30.0°F (1952) | 1.32 in (1990) |
| October 9 | 87.1°F (2010) | 32.0°F (1945) | 2.27 in (1954) |
| October 10 | 87.1°F (1938) | 27.0°F (1964) | 3.94 in (1954) |
| October 11 | 88.0°F (1928) | 28.9°F (2009) | 1.64 in (2021) |
| October 12 | 86.0°F (1930) | 30.0°F (1987) | 1.40 in (1973) |
| October 13 | 88.0°F (1975) | 30.0°F (1980) | 2.43 in (1970) |
| October 14 | 89.1°F (1975) | 28.0°F (1937) | 5.11 in (2017) |
| October 15 | 88.0°F (1947) | 28.9°F (1937) | 1.66 in (1967) |
| October 16 | 87.1°F (1963) | 30.0°F (1944) | 0.81 in (2006) |
| October 17 | 86.0°F (1950) | 26.1°F (1948) | 1.48 in (1988) |
| October 18 | 87.1°F (1950) | 19.9°F (1948) | 3.18 in (1985) |
| October 19 | 84.0°F (1971) | 24.1°F (1930) | 1.41 in (1961) |
| October 20 | 86.0°F (1953) | 19.9°F (1930) | 0.86 in (1934) |
| October 21 | 87.1°F (1953) | 26.1°F (1952) | 2.24 in (1933) |
| October 22 | 87.1°F (1953) | 24.1°F (1930) | 1.77 in (1983) |
| October 23 | 84.9°F (1963) | 25.0°F (1981) | 1.48 in (2009) |
| October 24 | 82.9°F (1963) | 19.9°F (1981) | 2.69 in (2021) |
| October 25 | 79.0°F (1963) | 25.0°F (1962) | 1.87 in (1932) |
| October 26 | 84.0°F (1963) | 21.9°F (1942) | 3.45 in (2019) |
| October 27 | 82.0°F (1940) | 24.1°F (1942) | 1.56 in (1947) |
| October 28 | 81.0°F (1999) | 25.0°F (1976) | 0.65 in (1970) |
| October 29 | 82.9°F (2024) | 21.9°F (1980) | 1.02 in (2009) |
| October 30 | 84.9°F (1950) | 25.0°F (1928) | 1.59 in (2013) |
| October 31 | 84.0°F (1950) | 26.1°F (2019) | 2.63 in (1994) |