October weather in New Grand Chain, IL
The average temperature in New Grand Chain in October is 59.8°F (48.4°F–71.2°F). Average precipitation: 4.04 inches.
October is a fall month in New Grand Chain, and is warmer than the annual average of 57.9°F. Daily temperatures swing about 22.8°F between overnight low and afternoon high. Expect about 8 days with precipitation. Daylight averages about 11h 1m. For travel, October is a comfortable month to visit.
Avg High
71.2°F
Avg Low
48.4°F
Precipitation
4.04 in
Snow
0.1 in
October records in New Grand Chain
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| October 1 | 91.9°F (2019) | 39.0°F (1924) | 0.67 in (1925) |
| October 2 | 91.9°F (2019) | 41.0°F (2003) | 1.36 in (2021) |
| October 3 | 93.9°F (2019) | 39.0°F (2003) | 1.28 in (1937) |
| October 4 | 88.0°F (2005) | 41.0°F (2010) | 0.70 in (1926) |
| October 5 | 90.0°F (2006) | 39.9°F (1999) | 0.98 in (1947) |
| October 6 | 88.0°F (2005) | 37.0°F (2012) | 4.10 in (2013) |
| October 7 | 89.1°F (2024) | 30.9°F (2000) | 2.60 in (1998) |
| October 8 | 90.0°F (2007) | 27.0°F (2000) | 0.90 in (2025) |
| October 9 | 90.0°F (2007) | 27.0°F (2000) | 3.30 in (2009) |
| October 10 | 91.0°F (1928) | 28.0°F (2000) | 1.04 in (1926) |
| October 11 | 88.0°F (1928) | 30.0°F (2000) | 1.90 in (2017) |
| October 12 | 88.0°F (1928) | 30.9°F (2000) | 2.10 in (2004) |
| October 13 | 91.0°F (1928) | 32.0°F (2000) | 1.20 in (2011) |
| October 14 | 89.1°F (1928) | 35.1°F (2006) | 2.20 in (2001) |
| October 15 | 84.9°F (1924) | 36.0°F (2002) | 1.24 in (2009) |
| October 16 | 84.9°F (1924) | 37.9°F (2024) | 2.15 in (1928) |
| October 17 | 91.9°F (2005) | 30.9°F (2024) | 1.73 in (2006) |
| October 18 | 90.0°F (1924) | 32.0°F (2022) | 5.25 in (2007) |
| October 19 | 88.0°F (1924) | 28.9°F (2022) | 2.11 in (1994) |
| October 20 | 84.9°F (1924) | 28.9°F (2022) | 1.98 in (2020) |
| October 21 | 80.1°F (2003) | 32.0°F (1923) | 0.82 in (1929) |
| October 22 | 82.9°F (2023) | 30.9°F (1923) | 0.95 in (1936) |
| October 23 | 84.9°F (1927) | 30.9°F (1923) | 1.75 in (2017) |
| October 24 | 87.1°F (1927) | 30.9°F (2006) | 2.05 in (2007) |
| October 25 | 84.9°F (1927) | 30.0°F (2006) | 1.75 in (1946) |
| October 26 | 86.0°F (1927) | 30.9°F (1926) | 1.34 in (1936) |
| October 27 | 84.9°F (1927) | 30.0°F (1925) | 3.71 in (2019) |
| October 28 | 84.9°F (1927) | 26.1°F (1925) | 1.37 in (2006) |
| October 29 | 82.9°F (1927) | 23.0°F (1925) | 3.00 in (2020) |
| October 30 | 86.0°F (2016) | 27.0°F (1925) | 1.13 in (2023) |
| October 31 | 84.0°F (2016) | 23.0°F (1925) | 2.46 in (1941) |