October weather in Thomson, IL
The average temperature in Thomson in October is 53.2°F (43.4°F–63.0°F). Average precipitation: 2.58 inches.
October is a fall month in Thomson, and is warmer than the annual average of 49.9°F. Daily temperatures swing about 19.6°F between overnight low and afternoon high. Expect about 8 days with precipitation. Daylight averages about 10h 50m. For travel, October is a comfortable month to visit.
Avg High
63.0°F
Avg Low
43.4°F
Precipitation
2.58 in
Daylight
10h 50m
October records in Thomson
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| October 1 | 90.0°F (1971) | 33.1°F (1958) | 1.00 in (1977) |
| October 2 | 88.0°F (1976) | 28.9°F (2003) | 1.40 in (2002) |
| October 3 | 88.0°F (2025) | 28.9°F (2003) | 1.12 in (2019) |
| October 4 | 90.0°F (2006) | 25.0°F (1999) | 0.85 in (1973) |
| October 5 | 87.1°F (2005) | 28.9°F (1999) | 2.15 in (1991) |
| October 6 | 89.1°F (1963) | 19.9°F (1952) | 1.83 in (2018) |
| October 7 | 88.0°F (2007) | 28.0°F (2000) | 1.65 in (1982) |
| October 8 | 88.0°F (2007) | 28.0°F (2000) | 1.57 in (2008) |
| October 9 | 82.9°F (2004) | 27.0°F (2000) | 0.98 in (1958) |
| October 10 | 84.9°F (2010) | 26.1°F (2000) | 1.83 in (1985) |
| October 11 | 82.9°F (1962) | 27.0°F (2000) | 1.78 in (2001) |
| October 12 | 82.0°F (1956) | 28.9°F (2009) | 2.00 in (2023) |
| October 13 | 82.9°F (2008) | 28.9°F (1988) | 1.48 in (1961) |
| October 14 | 86.0°F (1975) | 28.9°F (1988) | 1.35 in (2023) |
| October 15 | 86.0°F (1968) | 25.0°F (1974) | 1.29 in (2017) |
| October 16 | 82.0°F (1950) | 28.9°F (1952) | 2.35 in (2009) |
| October 17 | 84.0°F (1950) | 28.0°F (2004) | 1.24 in (1996) |
| October 18 | 86.0°F (2016) | 25.0°F (1948) | 1.95 in (1998) |
| October 19 | 81.0°F (1953) | 24.1°F (1992) | 1.64 in (1984) |
| October 20 | 82.0°F (1953) | 23.0°F (1992) | 2.13 in (1982) |
| October 21 | 82.9°F (1947) | 23.0°F (1952) | 1.08 in (1943) |
| October 22 | 82.0°F (1963) | 26.1°F (1976) | 0.90 in (1968) |
| October 23 | 82.0°F (1963) | 24.1°F (1969) | 2.37 in (2001) |
| October 24 | 80.1°F (1963) | 21.9°F (1981) | 0.95 in (1951) |
| October 25 | 81.0°F (2012) | 21.9°F (1981) | 1.95 in (2021) |
| October 26 | 79.0°F (1963) | 18.0°F (1942) | 0.69 in (2010) |
| October 27 | 80.1°F (1940) | 21.9°F (1942) | 0.62 in (1998) |
| October 28 | 75.0°F (1989) | 16.0°F (1997) | 1.20 in (2015) |
| October 29 | 77.0°F (1950) | 12.9°F (1952) | 1.80 in (1955) |
| October 30 | 82.0°F (2024) | 25.0°F (1980) | 1.59 in (1996) |
| October 31 | 82.0°F (1950) | 19.9°F (2019) | 3.50 in (1960) |