October weather in Forsyth, MT
The average temperature in Forsyth in October is 46.8°F (33.7°F–60.0°F). Average precipitation: 1.37 inches. Average snowfall is 1.5 inches.
October is a fall month in Forsyth, and is warmer than the annual average of 46.7°F. Daily temperatures swing about 26.3°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
60.0°F
Avg Low
33.7°F
Precipitation
1.37 in
Snow
1.5 in
October records in Forsyth
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| October 1 | 93.0°F (2005) | 27.0°F (2004) | 0.94 in (2000) |
| October 2 | 93.0°F (1997) | 27.0°F (2004) | 0.31 in (2016) |
| October 3 | 90.0°F (1992) | 26.1°F (2009) | 0.86 in (2013) |
| October 4 | 88.0°F (2021) | 25.0°F (2017) | 1.27 in (2025) |
| October 5 | 89.1°F (2021) | 19.0°F (1976) | 1.15 in (2009) |
| October 6 | 84.9°F (1980) | 16.0°F (2000) | 0.48 in (1992) |
| October 7 | 87.1°F (2003) | 15.1°F (2000) | 1.19 in (1993) |
| October 8 | 86.0°F (1980) | 21.0°F (1985) | 0.95 in (1993) |
| October 9 | 86.0°F (2004) | 15.1°F (1993) | 0.40 in (2010) |
| October 10 | 91.0°F (2015) | 16.0°F (1993) | 0.07 in (2003) |
| October 11 | 82.9°F (1984) | 12.9°F (2009) | 0.65 in (2008) |
| October 12 | 82.9°F (1991) | 17.1°F (1986) | 1.03 in (2025) |
| October 13 | 84.9°F (1996) | 24.1°F (2002) | 0.28 in (2020) |
| October 14 | 80.1°F (1988) | 21.0°F (2018) | 0.55 in (2013) |
| October 15 | 81.0°F (1991) | 17.1°F (1976) | 0.46 in (1980) |
| October 16 | 89.1°F (1991) | 15.1°F (1989) | 0.95 in (1994) |
| October 17 | 84.0°F (2003) | 19.9°F (1984) | 0.61 in (2007) |
| October 18 | 84.9°F (2003) | 19.0°F (1984) | 0.39 in (1994) |
| October 19 | 84.9°F (2003) | 7.0°F (1976) | 0.29 in (2020) |
| October 20 | 80.1°F (2022) | 18.0°F (1982) | 0.62 in (2006) |
| October 21 | 84.9°F (2003) | 19.0°F (1990) | 0.65 in (1975) |
| October 22 | 84.9°F (2003) | 10.0°F (2020) | 1.13 in (1980) |
| October 23 | 75.0°F (1999) | 5.0°F (2020) | 0.60 in (2022) |
| October 24 | 81.0°F (1992) | 12.9°F (2020) | 0.35 in (1981) |
| October 25 | 81.0°F (2017) | -2.0°F (2020) | 0.34 in (1996) |
| October 26 | 75.9°F (1990) | -9.0°F (2020) | 0.67 in (1996) |
| October 27 | 78.1°F (1983) | -2.9°F (2023) | 0.71 in (1982) |
| October 28 | 82.9°F (1990) | 1.0°F (2023) | 0.70 in (1998) |
| October 29 | 75.9°F (1987) | 3.0°F (1991) | 0.80 in (2003) |
| October 30 | 75.0°F (2020) | -11.0°F (1991) | 0.37 in (1977) |
| October 31 | 82.0°F (1999) | 1.9°F (1991) | 0.23 in (2000) |