October weather in Carpentersville, IL
The average temperature in Carpentersville in October is 51.8°F (40.9°F–62.7°F). Average precipitation: 3.31 inches.
October is a fall month in Carpentersville, and is warmer than the annual average of 49°F. Daily temperatures swing about 21.8°F between overnight low and afternoon high. Expect about 11 days with precipitation. Daylight averages about 10h 50m. For travel, October is a comfortable month to visit.
Avg High
62.7°F
Avg Low
40.9°F
Precipitation
3.31 in
Daylight
10h 50m
October records in Carpentersville
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| October 1 | 84.9°F (2002) | 30.0°F (1899) | 1.16 in (1919) |
| October 2 | 87.1°F (1922) | 28.0°F (2003) | 1.83 in (2018) |
| October 3 | 84.9°F (1900) | 28.9°F (1987) | 1.74 in (1941) |
| October 4 | 89.1°F (2025) | 28.9°F (1987) | 2.05 in (1954) |
| October 5 | 88.0°F (1922) | 28.9°F (2004) | 2.23 in (1991) |
| October 6 | 88.0°F (1997) | 28.9°F (1917) | 1.90 in (1955) |
| October 7 | 88.0°F (2007) | 27.0°F (2001) | 2.18 in (1930) |
| October 8 | 88.0°F (2007) | 27.0°F (1987) | 1.04 in (2008) |
| October 9 | 86.0°F (2007) | 27.0°F (1915) | 1.12 in (2021) |
| October 10 | 89.1°F (2010) | 25.0°F (1916) | 1.31 in (1936) |
| October 11 | 84.9°F (1920) | 21.0°F (1906) | 3.32 in (1954) |
| October 12 | 82.9°F (1920) | 26.1°F (1987) | 1.08 in (1912) |
| October 13 | 88.0°F (1899) | 24.1°F (1988) | 1.03 in (1932) |
| October 14 | 86.0°F (1975) | 28.9°F (1979) | 1.88 in (2001) |
| October 15 | 89.1°F (1975) | 26.1°F (2006) | 2.70 in (2017) |
| October 16 | 84.9°F (1910) | 26.1°F (2006) | 1.25 in (1914) |
| October 17 | 82.9°F (1910) | 26.1°F (1992) | 1.58 in (1980) |
| October 18 | 82.0°F (2016) | 26.1°F (1992) | 3.02 in (1998) |
| October 19 | 81.0°F (1924) | 21.0°F (1992) | 1.34 in (1961) |
| October 20 | 80.1°F (1920) | 21.0°F (1992) | 2.02 in (1916) |
| October 21 | 84.0°F (2003) | 24.1°F (2018) | 2.24 in (1933) |
| October 22 | 81.0°F (2024) | 23.0°F (1976) | 1.70 in (2020) |
| October 23 | 84.9°F (1899) | 23.0°F (1976) | 2.85 in (2001) |
| October 24 | 80.1°F (1899) | 18.0°F (1981) | 2.10 in (1918) |
| October 25 | 80.1°F (2023) | 18.0°F (1981) | 2.00 in (2021) |
| October 26 | 75.9°F (1989) | 24.1°F (1979) | 1.45 in (1925) |
| October 27 | 75.9°F (2000) | 21.9°F (1898) | 1.56 in (2019) |
| October 28 | 77.0°F (2014) | 12.0°F (1925) | 0.91 in (1970) |
| October 29 | 80.1°F (1999) | 10.9°F (1925) | 1.00 in (1900) |
| October 30 | 81.0°F (2024) | 14.0°F (1925) | 1.06 in (1919) |
| October 31 | 78.1°F (2024) | 16.0°F (1925) | 1.55 in (1960) |