October weather in Rock Island, WA
The average temperature in Rock Island in October is 50.7°F (40.9°F–60.5°F). Average precipitation: 0.62 inches.
October is a fall month in Rock Island, and is cooler than the annual average of 51.2°F. Daily temperatures swing about 19.6°F between overnight low and afternoon high. Expect about 6 days with precipitation. Daylight averages about 10h 35m. For travel, October is a comfortable month to visit.
Avg High
60.5°F
Avg Low
40.9°F
Precipitation
0.62 in
Daylight
10h 35m
October records in Rock Island
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| October 1 | 87.1°F (1992) | 35.1°F (1983) | 0.11 in (1966) |
| October 2 | 82.9°F (1988) | 37.0°F (1961) | 0.47 in (1967) |
| October 3 | 82.9°F (1988) | 35.1°F (1968) | 0.11 in (1962) |
| October 4 | 82.9°F (2020) | 34.0°F (1981) | 0.11 in (1996) |
| October 5 | 80.1°F (1971) | 34.0°F (1974) | 0.40 in (2011) |
| October 6 | 90.0°F (2014) | 32.0°F (2000) | 0.65 in (1985) |
| October 7 | 84.0°F (2014) | 32.0°F (1990) | 0.04 in (1961) |
| October 8 | 79.0°F (1965) | 30.0°F (1985) | 0.50 in (1997) |
| October 9 | 79.0°F (1988) | 30.0°F (1985) | 0.22 in (2016) |
| October 10 | 80.1°F (1988) | 27.1°F (2019) | 0.04 in (1962) |
| October 11 | 78.1°F (1988) | 23.0°F (2009) | 0.45 in (1962) |
| October 12 | 77.0°F (1979) | 28.9°F (2009) | 0.86 in (1962) |
| October 13 | 75.9°F (2015) | 28.9°F (1969) | 0.44 in (2016) |
| October 14 | 77.0°F (1961) | 25.0°F (1969) | 0.19 in (1968) |
| October 15 | 78.1°F (1991) | 28.0°F (1969) | 0.33 in (2016) |
| October 16 | 77.0°F (1963) | 30.0°F (1989) | 0.20 in (2003) |
| October 17 | 77.0°F (1960) | 28.0°F (1984) | 0.36 in (2004) |
| October 18 | 72.0°F (1960) | 26.1°F (1982) | 0.16 in (2007) |
| October 19 | 75.0°F (1981) | 25.0°F (1984) | 0.32 in (2025) |
| October 20 | 73.9°F (2023) | 28.0°F (1982) | 0.07 in (2003) |
| October 21 | 71.1°F (1972) | 27.0°F (1984) | 0.67 in (2017) |
| October 22 | 72.0°F (2003) | 27.0°F (1984) | 0.47 in (2012) |
| October 23 | 69.1°F (1992) | 28.9°F (1980) | 0.80 in (1989) |
| October 24 | 69.1°F (1992) | 28.9°F (1983) | 0.49 in (1979) |
| October 25 | 72.0°F (2019) | 26.2°F (2020) | 0.21 in (1991) |
| October 26 | 68.0°F (1992) | 27.0°F (1978) | 0.55 in (2016) |
| October 27 | 71.1°F (2003) | 24.3°F (2020) | 0.44 in (2018) |
| October 28 | 70.0°F (2003) | 23.0°F (1971) | 0.46 in (1982) |
| October 29 | 68.0°F (2012) | 19.9°F (1971) | 0.22 in (1992) |
| October 30 | 73.0°F (2015) | 15.1°F (2002) | 0.90 in (1997) |
| October 31 | 73.9°F (1967) | 15.1°F (2002) | 0.68 in (1973) |