Weather on October 20
Kalispell, MT
55 Years of Data
About This Date
October 20th in Kalispell, MT typically brings cool fall weather, with average highs around 55°F and lows near 30°F — a 25°F daily swing. Over 55 years of records, the warmest October 20th was in 2024 (55°F average), while the coldest was 1984 (31°F) — a 24°F range across recorded history. Rain or other precipitation has occurred on about 38% of October 20th dates historically, with the wettest October 20th recording 0.53" of rain. The last decade has been 1.6°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.6°F warmer on this date compared to 20-30 years ago.
Planning for October 20th in Kalispell, MT? Bring layers as temperatures can vary throughout the day. Consider bringing rain gear or an umbrella.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 53° | 37° | 45° | 0.23" | — |
| 2024warmest | 75° | 35° | 55° | — | — |
| 2023 | 77° | 30° | 54° | — | — |
| 2022 | 55° | 25° | 40° | — | — |
| 2021 | 60° | 27° | 44° | 0.03" | — |
| 2020 | 49° | 24° | 37° | — | — |
| 2019 | 46° | 34° | 40° | 0.18" | — |
| 2018 | 64° | 20° | 42° | — | — |
| 2017 | 48° | 35° | 42° | 0.25" | — |
| 2016 | 45° | 29° | 37° | 0.53" | — |
| 2015 | 60° | 36° | 48° | — | — |
| 2014 | 72° | 27° | 50° | — | — |
| 2013 | 57° | 27° | 42° | — | — |
| 2012 | 51° | 27° | 39° | 0.3" | — |
| 2011 | 59° | 30° | 45° | — | — |
| 2010 | 62° | 22° | 42° | — | — |
| 2009 | 52° | 32° | 42° | 0.05" | — |
| 2008 | 50° | 32° | 41° | 0.25" | — |
| 2007 | 49° | 37° | 43° | — | — |
| 2006 | 53° | 35° | 44° | 0.43" | — |
| 2005 | 60° | 35° | 48° | 0.15" | — |
| 2004 | 45° | 36° | 40° | 0.33" | — |
| 2003 | 57° | 46° | 52° | 0.33" | — |
| 2002 | 61° | 23° | 42° | — | — |
| 2001 | 55° | 31° | 43° | — | — |
| 2000 | 60° | 29° | 44° | 0.3" | — |
| 1999 | 53° | 21° | 37° | — | — |
| 1998 | 55° | 21° | 38° | — | — |
| 1997 | 55° | 27° | 41° | — | — |
| 1996 | 43° | 28° | 35° | 0.03" | — |
| 1995 | 40° | 23° | 31° | 0.05" | — |
| 1994 | 52° | 32° | 42° | — | — |
| 1993 | 52° | 22° | 37° | — | — |
| 1992 | 63° | 34° | 48° | — | — |
| 1991 | 60° | 23° | 42° | — | — |
| 1990 | 44° | 26° | 35° | — | — |
| 1989 | 50° | 35° | 43° | 0.03" | — |
| 1988 | 60° | 41° | 51° | — | — |
| 1987 | 53° | 17° | 35° | — | — |
| 1986 | 54° | 24° | 39° | — | — |
| 1985 | 57° | 30° | 44° | — | — |
| 1984coldest | 40° | 22° | 31° | — | — |
| 1983 | 52° | 30° | 41° | 0.03" | — |
| 1982 | 49° | 16° | 32° | — | — |
| 1981 | 59° | 37° | 48° | — | — |
| 1980 | 53° | 42° | 48° | 0.03" | — |
| 1979 | 47° | 30° | 38° | 0.38" | — |
| 1978 | 65° | 32° | 48° | — | — |
| 1977 | 62° | 34° | 48° | — | — |
| 1976 | 54° | 24° | 39° | — | — |
| 1975 | 51° | 39° | 45° | 0.05" | — |
| 1974 | 61° | 31° | 46° | — | — |
| 1973 | 63° | 39° | 51° | — | — |
| 1972 | 41° | 34° | 37° | — | — |
| 1971 | 51° | 38° | 44° | 0.36" | — |