October weather in Onalaska, WI
The average temperature in Onalaska in October is 51.7°F (41.9°F–61.6°F). Average precipitation: 2.49 inches. Average snowfall is 0.3 inches.
October is a fall month in Onalaska, and is warmer than the annual average of 48.8°F. Daily temperatures swing about 19.7°F between overnight low and afternoon high. Expect about 9 days with precipitation. Daylight averages about 10h 45m. For travel, October is a comfortable month to visit.
Avg High
61.6°F
Avg Low
41.9°F
Precipitation
2.49 in
Snow
0.3 in
October records in Onalaska
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| October 1 | 91.9°F (1976) | 28.0°F (1974) | 1.59 in (2019) |
| October 2 | 87.1°F (2023) | 19.9°F (1974) | 1.36 in (2014) |
| October 3 | 91.0°F (1997) | 27.0°F (1987) | 1.59 in (1942) |
| October 4 | 89.1°F (2025) | 27.0°F (1989) | 1.47 in (2013) |
| October 5 | 84.9°F (1997) | 28.9°F (1988) | 1.04 in (2013) |
| October 6 | 93.0°F (1963) | 28.0°F (1988) | 1.56 in (2017) |
| October 7 | 86.0°F (1993) | 26.1°F (2001) | 1.48 in (2017) |
| October 8 | 82.9°F (2010) | 26.1°F (1976) | 1.22 in (2018) |
| October 9 | 84.9°F (2010) | 25.0°F (2000) | 1.45 in (1968) |
| October 10 | 84.9°F (1962) | 23.0°F (1964) | 0.91 in (1946) |
| October 11 | 84.9°F (2015) | 21.9°F (1987) | 1.45 in (1983) |
| October 12 | 87.1°F (1995) | 21.0°F (1988) | 1.19 in (1997) |
| October 13 | 86.0°F (1975) | 24.1°F (1965) | 1.25 in (2023) |
| October 14 | 86.0°F (1947) | 25.0°F (1939) | 2.01 in (1966) |
| October 15 | 84.9°F (1958) | 26.1°F (2006) | 0.78 in (1989) |
| October 16 | 82.9°F (1953) | 23.0°F (1939) | 0.93 in (1984) |
| October 17 | 82.9°F (1938) | 19.0°F (1939) | 2.28 in (1998) |
| October 18 | 82.9°F (1950) | 18.0°F (1972) | 0.40 in (1963) |
| October 19 | 82.0°F (2000) | 15.1°F (1972) | 0.99 in (1982) |
| October 20 | 82.9°F (2003) | 19.0°F (1952) | 1.10 in (1979) |
| October 21 | 82.9°F (1947) | 21.9°F (1960) | 1.61 in (2019) |
| October 22 | 82.9°F (1947) | 23.0°F (1969) | 0.89 in (1996) |
| October 23 | 82.0°F (1963) | 19.9°F (1969) | 1.65 in (1959) |
| October 24 | 80.1°F (1973) | 19.9°F (1981) | 1.15 in (1946) |
| October 25 | 81.0°F (1989) | 21.9°F (1942) | 0.92 in (2012) |
| October 26 | 78.1°F (1955) | 18.0°F (1962) | 1.29 in (2016) |
| October 27 | 80.1°F (1966) | 17.1°F (1976) | 1.06 in (1947) |
| October 28 | 72.0°F (1950) | 17.1°F (1969) | 0.73 in (1940) |
| October 29 | 82.0°F (2024) | 18.0°F (1980) | 1.34 in (1996) |
| October 30 | 78.1°F (2024) | 14.0°F (1988) | 1.69 in (2024) |
| October 31 | 78.1°F (1950) | 19.9°F (1949) | 2.04 in (1984) |