October weather in Chester, IL
The average temperature in Chester in October is °F (°F–°F). Average precipitation: 3.11 inches.
October is a fall month in Chester, and is cooler than the annual average of 0°F. Expect about 8 days with precipitation. Daylight averages about 10h 59m.
Avg High
°F
Avg Low
°F
Precipitation
3.11 in
Snow
0.1 in
October records in Chester
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| October 1 | 88.0°F (1907) | 50.0°F (1908) | 1.39 in (1986) |
| October 2 | 86.0°F (1909) | 54.0°F (1905) | 0.70 in (1993) |
| October 3 | 87.1°F (1909) | 55.9°F (1905) | 1.86 in (2014) |
| October 4 | 84.9°F (1908) | 44.1°F (1908) | 2.96 in (1910) |
| October 5 | 82.9°F (1908) | 48.0°F (1908) | 1.50 in (1983) |
| October 6 | 84.0°F (1905) | 48.0°F (1908) | 2.00 in (1998) |
| October 7 | 80.1°F (1905) | 52.0°F (1908) | 1.30 in (1949) |
| October 8 | 82.0°F (1905) | 41.0°F (1908) | 0.93 in (1977) |
| October 9 | 78.1°F (1905) | 36.0°F (1906) | 3.63 in (2009) |
| October 10 | 70.0°F (1907) | 36.0°F (1906) | 1.01 in (1990) |
| October 11 | 84.9°F (1910) | 33.1°F (1909) | 2.18 in (2019) |
| October 12 | 73.9°F (1905) | 33.1°F (1909) | 1.88 in (1949) |
| October 13 | 80.1°F (1910) | 35.1°F (1907) | 1.75 in (1973) |
| October 14 | 80.1°F (1908) | 37.9°F (1907) | 1.83 in (1985) |
| October 15 | 81.0°F (1908) | 44.1°F (1907) | 1.25 in (1974) |
| October 16 | 82.9°F (1910) | 39.9°F (1909) | 2.22 in (1992) |
| October 17 | 84.9°F (1908) | 50.0°F (1909) | 2.50 in (1989) |
| October 18 | 91.0°F (1908) | 43.0°F (1909) | 0.96 in (2007) |
| October 19 | 82.0°F (1908) | 37.9°F (1907) | 2.05 in (2025) |
| October 20 | 87.1°F (1908) | 44.1°F (1905) | 1.93 in (1983) |
| October 21 | 82.0°F (1908) | 39.9°F (1907) | 1.90 in (1984) |
| October 22 | 79.0°F (1909) | 36.0°F (1905) | 1.02 in (1949) |
| October 23 | 80.1°F (1906) | 41.0°F (1910) | 1.97 in (1951) |
| October 24 | 73.9°F (1907) | 39.0°F (1909) | 1.30 in (1951) |
| October 25 | 82.0°F (1907) | 37.9°F (1905) | 1.08 in (1905) |
| October 26 | 80.1°F (1910) | 36.0°F (1909) | 3.40 in (1991) |
| October 27 | 64.0°F (1906) | 37.9°F (1905) | 1.65 in (2019) |
| October 28 | 69.1°F (1909) | 30.9°F (1907) | 1.85 in (2006) |
| October 29 | 71.1°F (1909) | 27.0°F (1910) | 1.78 in (2002) |
| October 30 | 70.0°F (1909) | 34.0°F (1906) | 1.26 in (1991) |
| October 31 | 73.9°F (1909) | 30.0°F (1906) | 1.31 in (1972) |