October weather in Chester, MT
The average temperature in Chester in October is 42.1°F (27.3°F–56.8°F). Average precipitation: 0.74 inches. Average snowfall is 0.7 inches.
October is a fall month in Chester, and is warmer than the annual average of 41.4°F. Daily temperatures swing about 29.5°F between overnight low and afternoon high. Expect about 6 days with precipitation. Daylight averages about 10h 32m. For travel, October is cool.
Avg High
56.8°F
Avg Low
27.3°F
Precipitation
0.74 in
Snow
0.7 in
October records in Chester
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| October 1 | 89.1°F (1992) | 7.0°F (1950) | 0.35 in (1977) |
| October 2 | 86.0°F (1963) | 17.1°F (1950) | 0.59 in (2023) |
| October 3 | 90.0°F (1943) | 8.1°F (1950) | 1.78 in (2017) |
| October 4 | 88.0°F (1943) | 5.0°F (2017) | 0.21 in (2017) |
| October 5 | 84.0°F (2021) | 1.9°F (2000) | 0.28 in (1967) |
| October 6 | 84.9°F (1964) | 7.0°F (1974) | 0.73 in (2011) |
| October 7 | 87.1°F (1980) | 10.0°F (1970) | 0.33 in (1959) |
| October 8 | 86.0°F (1980) | 12.0°F (1985) | 0.40 in (2011) |
| October 9 | 84.9°F (1971) | 6.1°F (1985) | 0.25 in (1912) |
| October 10 | 84.9°F (1942) | 6.1°F (1987) | 0.35 in (1998) |
| October 11 | 84.9°F (1991) | 10.0°F (1990) | 0.27 in (1981) |
| October 12 | 81.0°F (1900) | 14.0°F (1972) | 0.45 in (1906) |
| October 13 | 86.0°F (1964) | 12.0°F (1913) | 0.54 in (1975) |
| October 14 | 82.9°F (1900) | 7.0°F (1966) | 0.41 in (1962) |
| October 15 | 81.0°F (1900) | 10.0°F (1976) | 0.52 in (2004) |
| October 16 | 82.9°F (1961) | 5.0°F (1969) | 0.39 in (1988) |
| October 17 | 78.1°F (1958) | 5.0°F (1969) | 0.18 in (2020) |
| October 18 | 82.0°F (1958) | 6.1°F (1969) | 0.19 in (1983) |
| October 19 | 80.1°F (1942) | 10.0°F (1969) | 0.40 in (1979) |
| October 20 | 78.1°F (1974) | 5.0°F (2020) | 0.41 in (1958) |
| October 21 | 82.9°F (2023) | 5.0°F (1981) | 0.31 in (1980) |
| October 22 | 79.0°F (2014) | -9.9°F (2019) | 0.69 in (1957) |
| October 23 | 75.9°F (1948) | -11.9°F (2019) | 0.51 in (2022) |
| October 24 | 75.0°F (1944) | -6.0°F (2019) | 0.29 in (2022) |
| October 25 | 80.1°F (2007) | 5.0°F (1942) | 0.30 in (1946) |
| October 26 | 81.0°F (1944) | -4.0°F (2023) | 0.37 in (1980) |
| October 27 | 78.1°F (1944) | -18.9°F (2019) | 0.79 in (1999) |
| October 28 | 75.9°F (1953) | -13.0°F (2023) | 0.22 in (2012) |
| October 29 | 79.0°F (1944) | -15.0°F (1991) | 0.30 in (2003) |
| October 30 | 73.9°F (2008) | -17.0°F (1991) | 0.23 in (1992) |
| October 31 | 77.0°F (1949) | -2.9°F (1984) | 0.84 in (1992) |