October weather in St. Helens, OR
The average temperature in St. Helens in October is 52.6°F (44.7°F–60.5°F). Average precipitation: inches.
October is a fall month in St. Helens, and is warmer than the annual average of 51.6°F. Daily temperatures swing about 15.8°F between overnight low and afternoon high. Daylight averages about 10h 40m. For travel, October is a comfortable month to visit.
Avg High
60.5°F
Avg Low
44.7°F
Precipitation
in
Daylight
10h 40m
October records in St. Helens
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| October 1 | 93.9°F (1987) | 19.9°F (2004) | 0.94 in (2005) |
| October 2 | 88.0°F (1980) | 39.0°F (2013) | 0.64 in (2011) |
| October 3 | 84.9°F (1980) | 35.1°F (2004) | 1.28 in (2008) |
| October 4 | 86.0°F (1991) | 39.0°F (2013) | 0.60 in (1997) |
| October 5 | 90.0°F (1988) | 37.0°F (2007) | 1.00 in (2008) |
| October 6 | 89.1°F (1987) | 37.0°F (1999) | 1.53 in (1981) |
| October 7 | 84.9°F (1987) | 37.9°F (2012) | 0.35 in (2003) |
| October 8 | 84.0°F (1996) | 36.0°F (2008) | 0.34 in (2013) |
| October 9 | 84.9°F (1991) | 33.1°F (1985) | 1.10 in (1998) |
| October 10 | 84.9°F (1991) | 39.9°F (1977) | 0.95 in (1984) |
| October 11 | 82.9°F (1991) | 28.9°F (1986) | 1.99 in (1995) |
| October 12 | 80.1°F (1991) | 30.9°F (2002) | 0.90 in (2012) |
| October 13 | 77.0°F (1991) | 33.1°F (2001) | 0.83 in (1998) |
| October 14 | 84.0°F (1991) | 32.0°F (1992) | 0.55 in (1990) |
| October 15 | 80.1°F (2002) | 32.0°F (1992) | 0.80 in (1993) |
| October 16 | 80.1°F (2002) | 35.1°F (1989) | 1.04 in (2014) |
| October 17 | 78.1°F (2002) | 34.0°F (1996) | 0.65 in (2004) |
| October 18 | 81.0°F (1978) | 36.0°F (1976) | 0.70 in (1990) |
| October 19 | 82.0°F (1999) | 30.0°F (1996) | 1.10 in (1996) |
| October 20 | 77.0°F (1987) | 32.0°F (1976) | 1.05 in (1985) |
| October 21 | 82.0°F (2003) | 33.1°F (1980) | 1.20 in (1990) |
| October 22 | 88.0°F (2007) | 34.0°F (1984) | 0.70 in (1982) |
| October 23 | 77.0°F (1992) | 33.1°F (1995) | 0.95 in (2010) |
| October 24 | 72.0°F (1992) | 32.0°F (1995) | 1.10 in (1996) |
| October 25 | 70.0°F (2000) | 28.0°F (2002) | 1.80 in (1990) |
| October 26 | 72.0°F (2003) | 32.0°F (1978) | 1.14 in (1994) |
| October 27 | 70.0°F (1987) | 33.1°F (1988) | 0.93 in (1999) |
| October 28 | 71.1°F (1987) | 10.0°F (1999) | 0.90 in (1982) |
| October 29 | 71.1°F (1993) | 6.1°F (1999) | 1.28 in (1982) |
| October 30 | 66.0°F (1988) | 6.1°F (1999) | 1.20 in (1992) |
| October 31 | 68.0°F (1987) | 23.0°F (2002) | 1.92 in (1994) |