October weather in Union, OR

The average temperature in Union in October is 48.5°F (34.4°F–62.7°F). Average precipitation: 1.15 inches.

October is a fall month in Union, and is cooler than the annual average of 49°F. Daily temperatures swing about 28.3°F between overnight low and afternoon high. Expect about 9 days with precipitation. Daylight averages about 10h 42m. For travel, October is cool.

Avg High
62.7°F
Avg Low
34.4°F
Precipitation
1.15 in
Daylight
10h 42m

October records in Union

Date Record High Record Low Record Precip
October 1 87.1°F (1976) 19.0°F (1950) 0.81 in (1957)
October 2 89.1°F (1992) 19.9°F (1912) 0.48 in (1940)
October 3 89.1°F (1987) 23.0°F (1949) 0.63 in (1918)
October 4 89.1°F (2010) 19.0°F (1916) 0.82 in (1923)
October 5 86.0°F (2003) 18.0°F (1916) 0.52 in (1950)
October 6 87.1°F (1988) 19.9°F (1916) 0.48 in (1923)
October 7 84.0°F (1980) 19.0°F (1990) 1.49 in (1930)
October 8 84.9°F (1980) 18.0°F (2006) 0.88 in (1923)
October 9 84.9°F (1942) 19.0°F (1985) 0.56 in (2018)
October 10 84.9°F (1996) 17.1°F (1919) 0.54 in (1962)
October 11 84.0°F (1934) 21.0°F (2009) 0.58 in (2001)
October 12 84.0°F (1991) 16.0°F (2008) 0.54 in (1968)
October 13 80.1°F (1918) 15.1°F (2008) 0.22 in (1984)
October 14 81.0°F (1964) 19.9°F (1966) 0.90 in (1980)
October 15 82.9°F (1958) 19.0°F (1969) 0.30 in (1923)
October 16 81.0°F (1961) 17.1°F (1946) 0.27 in (1918)
October 17 80.1°F (1961) 17.1°F (1949) 0.25 in (1932)
October 18 80.1°F (1958) 16.0°F (1917) 0.51 in (1953)
October 19 82.9°F (2003) 17.1°F (1916) 0.54 in (1958)
October 20 77.0°F (1927) 19.9°F (1976) 0.37 in (2004)
October 21 80.1°F (2003) 17.1°F (1961) 0.24 in (1935)
October 22 82.9°F (2003) 17.1°F (1984) 0.58 in (2017)
October 23 82.9°F (2003) 17.1°F (2008) 0.65 in (2021)
October 24 78.1°F (1944) 17.1°F (1919) 1.34 in (1934)
October 25 78.1°F (1944) 18.0°F (1942) 0.49 in (2022)
October 26 78.1°F (1944) 19.9°F (1942) 0.71 in (1957)
October 27 79.0°F (1944) 18.0°F (1911) 0.78 in (2000)
October 28 75.9°F (1944) 17.1°F (1948) 0.60 in (1931)
October 29 75.0°F (2003) 12.0°F (1971) 0.52 in (1982)
October 30 72.0°F (1962) 14.0°F (1971) 0.62 in (1997)
October 31 73.0°F (2008) 7.0°F (2002) 0.44 in (1973)

Other months in Union