October weather in Cary, IL
The average temperature in Cary in October is 51.3°F (39.6°F–63.0°F). Average precipitation: 3.21 inches.
October is a fall month in Cary, and is warmer than the annual average of 48.6°F. Daily temperatures swing about 23.4°F between overnight low and afternoon high. Expect about 10 days with precipitation. Daylight averages about 10h 49m. For travel, October is a comfortable month to visit.
Avg High
63.0°F
Avg Low
39.6°F
Precipitation
3.21 in
Snow
0.1 in
October records in Cary
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| October 1 | 87.1°F (2019) | 30.0°F (2003) | 1.20 in (1977) |
| October 2 | 87.1°F (2019) | 25.0°F (2003) | 1.45 in (2018) |
| October 3 | 86.0°F (2023) | 30.0°F (2004) | 1.46 in (2006) |
| October 4 | 90.0°F (2025) | 30.0°F (1996) | 0.76 in (1999) |
| October 5 | 87.1°F (2025) | 26.1°F (2004) | 1.15 in (1998) |
| October 6 | 88.0°F (1997) | 28.9°F (2004) | 1.75 in (1995) |
| October 7 | 86.0°F (2007) | 24.1°F (2001) | 0.68 in (1948) |
| October 8 | 86.0°F (2007) | 27.0°F (2012) | 1.02 in (2008) |
| October 9 | 86.0°F (2007) | 27.0°F (2000) | 0.58 in (1994) |
| October 10 | 87.1°F (2010) | 26.1°F (1993) | 1.22 in (1985) |
| October 11 | 84.0°F (2010) | 25.0°F (1996) | 2.34 in (2017) |
| October 12 | 82.9°F (2024) | 27.0°F (2006) | 0.78 in (2001) |
| October 13 | 82.0°F (1995) | 26.1°F (1993) | 0.68 in (2011) |
| October 14 | 82.9°F (1995) | 27.0°F (2009) | 1.90 in (2023) |
| October 15 | 75.9°F (2000) | 26.1°F (2006) | 1.95 in (2017) |
| October 16 | 78.1°F (1996) | 28.9°F (2024) | 1.04 in (2007) |
| October 17 | 78.1°F (1998) | 26.1°F (2003) | 1.09 in (1980) |
| October 18 | 82.0°F (2016) | 26.1°F (2009) | 2.68 in (1998) |
| October 19 | 75.9°F (2021) | 26.1°F (1996) | 1.68 in (1985) |
| October 20 | 77.0°F (1995) | 26.1°F (1996) | 1.09 in (1995) |
| October 21 | 84.0°F (2003) | 23.0°F (2018) | 0.70 in (1949) |
| October 22 | 82.0°F (2024) | 26.1°F (2013) | 1.25 in (1983) |
| October 23 | 79.0°F (2022) | 26.1°F (1997) | 1.75 in (2009) |
| October 24 | 78.1°F (2022) | 23.0°F (1999) | 1.64 in (2001) |
| October 25 | 82.0°F (2023) | 21.9°F (2006) | 1.35 in (2021) |
| October 26 | 73.9°F (2004) | 24.1°F (2006) | 0.93 in (2022) |
| October 27 | 73.9°F (1998) | 24.1°F (2013) | 1.70 in (2019) |
| October 28 | 77.0°F (2014) | 21.9°F (1997) | 0.94 in (1984) |
| October 29 | 75.9°F (1999) | 25.0°F (2005) | 0.55 in (2021) |
| October 30 | 82.0°F (2024) | 23.0°F (2020) | 1.30 in (1996) |
| October 31 | 79.0°F (2024) | 21.9°F (2020) | 1.04 in (2018) |