October weather in LaSalle, IL
The average temperature in LaSalle in October is 52.5°F (41.1°F–63.9°F). Average precipitation: 3.50 inches. Average snowfall is 0.2 inches.
October is a fall month in LaSalle, and is warmer than the annual average of 49.6°F. Daily temperatures swing about 22.8°F between overnight low and afternoon high. Expect about 10 days with precipitation. Daylight averages about 10h 52m. For travel, October is a comfortable month to visit.
Avg High
63.9°F
Avg Low
41.1°F
Precipitation
3.50 in
Snow
0.2 in
October records in LaSalle
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| October 1 | 90.0°F (1971) | 30.0°F (1992) | 1.35 in (1977) |
| October 2 | 89.1°F (1976) | 24.1°F (1974) | 1.00 in (1984) |
| October 3 | 88.0°F (1976) | 26.1°F (2003) | 1.54 in (1991) |
| October 4 | 89.1°F (2006) | 27.0°F (1989) | 1.88 in (2000) |
| October 5 | 90.0°F (2005) | 28.0°F (1980) | 2.31 in (1976) |
| October 6 | 91.0°F (1963) | 28.9°F (1988) | 0.82 in (1995) |
| October 7 | 89.1°F (2007) | 28.0°F (2000) | 0.68 in (1977) |
| October 8 | 91.0°F (2007) | 25.0°F (1987) | 1.08 in (2004) |
| October 9 | 88.0°F (2007) | 27.0°F (1987) | 0.91 in (1990) |
| October 10 | 91.0°F (2010) | 25.0°F (1964) | 3.92 in (1969) |
| October 11 | 87.1°F (2010) | 25.0°F (1987) | 0.85 in (1973) |
| October 12 | 84.9°F (2010) | 24.1°F (1988) | 0.89 in (1969) |
| October 13 | 86.0°F (1975) | 23.0°F (1988) | 2.01 in (1973) |
| October 14 | 84.0°F (1989) | 28.9°F (1993) | 1.76 in (2001) |
| October 15 | 86.0°F (1989) | 26.1°F (1972) | 2.29 in (1967) |
| October 16 | 82.9°F (1999) | 26.1°F (1970) | 0.85 in (1984) |
| October 17 | 82.0°F (1964) | 25.0°F (1970) | 1.00 in (1980) |
| October 18 | 84.0°F (1965) | 19.9°F (1976) | 1.95 in (1998) |
| October 19 | 84.0°F (2016) | 16.0°F (1972) | 1.70 in (1985) |
| October 20 | 82.9°F (1971) | 23.0°F (1992) | 1.15 in (1995) |
| October 21 | 87.1°F (1979) | 23.0°F (2018) | 0.74 in (1972) |
| October 22 | 84.0°F (1963) | 23.0°F (1976) | 1.00 in (1972) |
| October 23 | 84.0°F (1963) | 24.1°F (1969) | 1.82 in (2009) |
| October 24 | 82.0°F (1963) | 19.0°F (1981) | 1.01 in (2008) |
| October 25 | 80.1°F (2012) | 23.0°F (1999) | 0.90 in (1977) |
| October 26 | 82.9°F (1963) | 23.0°F (1979) | 0.93 in (1986) |
| October 27 | 78.1°F (2000) | 23.0°F (1969) | 1.20 in (1997) |
| October 28 | 79.0°F (2014) | 16.0°F (1976) | 0.56 in (1970) |
| October 29 | 81.0°F (1999) | 23.0°F (1988) | 0.52 in (1974) |
| October 30 | 82.9°F (2024) | 16.0°F (1988) | 1.15 in (2009) |
| October 31 | 80.1°F (1968) | 23.0°F (1988) | 2.70 in (1984) |