Weather on October 21
Kalispell, MT
55 Years of Data
Avg High
54°F
Avg Low
30°F
Warmest
2003
60°F avg
Coldest
1984
27°F avg
About This Date
October 21st in Kalispell, MT typically brings cool fall weather, with average highs around 54°F and lows near 30°F. Over 55 years of records, the warmest October 21st was in 2003 (60°F average), while the coldest was 1984 (27°F) — a 33°F range across recorded history. Precipitation has occurred on 44% of recorded October 21st dates, with snow falling 4% of the time. The last decade has been 3.3°F warmer on this date compared to 20-30 years ago.
The last decade has been 3.3°F warmer on this date compared to 20-30 years ago.
Planning for October 21st in Kalispell, MT? Bring layers as temperatures can vary throughout the day. Consider bringing rain gear or an umbrella.
Warming Trend
0.5°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 56° | 28° | 42° | — | — |
| 2024 | 65° | 43° | 54° | 0.25" | — |
| 2023 | 68° | 35° | 52° | — | — |
| 2022 | 57° | 39° | 48° | 0.48" | — |
| 2021 | 60° | 28° | 44° | — | — |
| 2020 | 40° | 27° | 34° | 0.43" | 0.3" |
| 2019 | 47° | 35° | 41° | 0.03" | — |
| 2018 | 65° | 20° | 43° | — | — |
| 2017 | 47° | 38° | 42° | 0.38" | — |
| 2016 | 48° | 34° | 41° | 0.25" | — |
| 2015 | 59° | 31° | 45° | — | — |
| 2014 | 51° | 38° | 44° | 0.46" | — |
| 2013 | 59° | 24° | 42° | — | — |
| 2012 | 45° | 24° | 34° | 0.03" | — |
| 2011 | 57° | 30° | 44° | — | — |
| 2010 | 63° | 23° | 43° | — | — |
| 2009 | 46° | 29° | 37° | 0.05" | — |
| 2008 | 54° | 27° | 40° | — | — |
| 2007 | 50° | 29° | 39° | — | — |
| 2006 | 53° | 28° | 41° | 0.03" | — |
| 2005 | 55° | 29° | 42° | — | — |
| 2004 | 48° | 34° | 41° | 0.46" | — |
| 2003warmest | 75° | 45° | 60° | — | — |
| 2002 | 60° | 22° | 41° | — | — |
| 2001 | 45° | 26° | 35° | 0.43" | — |
| 2000 | 49° | 27° | 38° | 0.05" | — |
| 1999 | 63° | 22° | 42° | — | — |
| 1998 | 56° | 22° | 39° | — | — |
| 1997 | 54° | 24° | 39° | — | — |
| 1996 | 42° | 20° | 31° | — | — |
| 1995 | 48° | 29° | 38° | 0.18" | — |
| 1994 | 53° | 33° | 43° | 0.33" | — |
| 1993 | 56° | 24° | 40° | — | — |
| 1992 | 58° | 28° | 43° | — | — |
| 1991 | 60° | 39° | 50° | 0.13" | — |
| 1990 | 40° | 28° | 34° | 1.22" | — |
| 1989 | 51° | 43° | 47° | 0.46" | — |
| 1988 | 63° | 32° | 47° | — | — |
| 1987 | 60° | 19° | 40° | — | — |
| 1986 | 46° | 35° | 41° | — | — |
| 1985 | 56° | 34° | 45° | 0.1" | — |
| 1984coldest | 38° | 17° | 27° | — | — |
| 1983 | 54° | 25° | 39° | — | — |
| 1982 | 50° | 16° | 33° | — | — |
| 1981 | 45° | 19° | 32° | — | — |
| 1980 | 56° | 34° | 45° | 0.71" | 0.3" |
| 1979 | 44° | 31° | 37° | 0.28" | — |
| 1978 | 60° | 40° | 50° | 0.13" | — |
| 1977 | 58° | 27° | 42° | — | — |
| 1976 | 52° | 25° | 38° | — | — |
| 1975 | 47° | 35° | 41° | 0.41" | — |
| 1974 | 60° | 44° | 52° | — | — |
| 1973 | 60° | 39° | 50° | — | — |
| 1972 | 47° | 37° | 42° | — | — |
| 1971 | 51° | 29° | 40° | 0.03" | — |
55 years of data from KALISPELL