October weather in Boulder, MT

The average temperature in Boulder in October is 42.6°F (27.7°F–57.4°F). Average precipitation: 0.64 inches.

October is a fall month in Boulder, and is warmer than the annual average of 42.6°F. Daily temperatures swing about 29.7°F between overnight low and afternoon high. Expect about 7 days with precipitation. Daylight averages about 10h 39m. For travel, October is cool.

Avg High
57.4°F
Avg Low
27.7°F
Precipitation
0.64 in
Daylight
10h 39m

October records in Boulder

Date Record High Record Low Record Precip
October 1 84.0°F (1992) 14.0°F (1950) 0.45 in (2022)
October 2 87.1°F (1992) 12.9°F (2002) 0.40 in (2005)
October 3 82.9°F (1992) 14.0°F (1999) 0.75 in (1967)
October 4 84.9°F (2010) 9.0°F (1985) 0.64 in (1992)
October 5 89.1°F (1988) 10.9°F (2001) 0.40 in (2007)
October 6 79.0°F (1960) 10.9°F (1974) 0.54 in (1963)
October 7 80.1°F (1979) 12.0°F (2000) 0.61 in (1985)
October 8 82.0°F (1980) 12.0°F (1985) 0.35 in (1975)
October 9 79.0°F (1953) -5.1°F (1985) 0.22 in (2006)
October 10 82.9°F (2015) 7.0°F (1987) 0.20 in (2008)
October 11 82.0°F (2015) 9.0°F (2009) 0.67 in (1997)
October 12 78.1°F (1950) 1.9°F (2009) 0.59 in (2000)
October 13 78.1°F (1964) 5.0°F (1969) 0.42 in (2000)
October 14 79.0°F (1958) 5.0°F (1969) 0.35 in (1962)
October 15 79.0°F (2024) 12.9°F (1960) 0.55 in (1980)
October 16 79.0°F (1974) 8.1°F (1970) 0.35 in (2003)
October 17 77.0°F (1955) 10.9°F (1948) 0.29 in (1988)
October 18 77.0°F (1958) 15.1°F (1989) 1.20 in (2020)
October 19 79.0°F (2003) 10.9°F (1969) 0.49 in (2009)
October 20 77.0°F (2023) 10.9°F (1984) 0.42 in (2006)
October 21 77.0°F (2003) 10.0°F (1984) 0.50 in (1974)
October 22 78.1°F (2003) 10.9°F (1957) 0.41 in (1975)
October 23 75.9°F (1952) 8.1°F (1957) 0.40 in (1967)
October 24 73.9°F (1959) 8.1°F (2002) 0.24 in (1957)
October 25 78.1°F (1990) 10.9°F (2002) 0.25 in (1969)
October 26 79.0°F (1988) 9.0°F (2002) 0.30 in (2019)
October 27 73.0°F (1983) 3.0°F (1996) 0.42 in (1956)
October 28 73.9°F (1968) -13.0°F (2023) 0.15 in (1993)
October 29 72.0°F (1968) -9.9°F (1971) 0.23 in (1960)
October 30 68.0°F (2007) -14.1°F (1991) 0.21 in (1992)
October 31 68.0°F (1988) -13.0°F (2002) 0.67 in (2016)

Other months in Boulder