Weather on October 17
West Yellowstone, MT
55 Years of Data
About This Date
October 17th in West Yellowstone, MT typically brings chilly fall weather, with average highs around 46°F and lows near 24°F. Over 55 years of records, the warmest October 17th was in 2015 (50°F average), while the coldest was 1996 (14°F) — a 36°F range across recorded history. Rain or other precipitation has occurred on about 24% of October 17th dates historically, with the wettest October 17th recording 2.29" of rain. The last decade has been 2.0°F warmer on this date compared to 20-30 years ago.
The last decade has been 2.0°F warmer on this date compared to 20-30 years ago.
Planning for October 17th in West Yellowstone, MT? Bring layers as temperatures can vary throughout the day.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 31° | 24° | 28° | — | — |
| 2024 | 36° | 19° | 28° | 2.29" | — |
| 2023 | 54° | 30° | 42° | — | — |
| 2022 | 62° | 36° | 49° | — | — |
| 2021 | 47° | 27° | 37° | 0.25" | — |
| 2020 | 41° | 27° | 34° | 0.25" | — |
| 2019 | 45° | 22° | 33° | — | — |
| 2018 | 54° | 27° | 40° | — | — |
| 2017 | 48° | 28° | 38° | — | — |
| 2016 | 34° | 21° | 27° | 1.02" | — |
| 2015warmest | 61° | 39° | 50° | 0.25" | — |
| 2014 | 51° | 24° | 38° | — | — |
| 2013 | 34° | 17° | 25° | 0.25" | — |
| 2012 | 32° | 18° | 25° | — | — |
| 2011 | 40° | 15° | 28° | — | — |
| 2010 | 47° | 29° | 38° | — | — |
| 2009 | 50° | 31° | 41° | — | — |
| 2008 | 46° | 27° | 36° | 0.25" | — |
| 2007 | 32° | 15° | 23° | — | — |
| 2006 | 24° | 14° | 19° | 0.25" | — |
| 2005 | 50° | 30° | 40° | — | — |
| 2004 | 41° | 30° | 35° | — | — |
| 2003 | 53° | 35° | 44° | — | — |
| 2002 | 51° | 29° | 40° | — | — |
| 2001 | 41° | 17° | 29° | — | — |
| 2000 | 46° | 27° | 36° | — | — |
| 1999 | 40° | 16° | 28° | 0.25" | — |
| 1998 | 37° | 16° | 27° | 0.25" | — |
| 1997 | 54° | 33° | 43° | — | — |
| 1996coldest | 29° | -1° | 14° | — | — |
| 1995 | 38° | 22° | 30° | 0.25" | — |
| 1994 | 40° | 24° | 32° | — | — |
| 1993 | 43° | 18° | 30° | — | — |
| 1992 | 46° | 27° | 36° | — | — |
| 1991 | 45° | 16° | 31° | — | — |
| 1990 | 30° | 5° | 18° | — | — |
| 1989 | 46° | 19° | 32° | — | — |
| 1988 | 44° | 30° | 37° | — | — |
| 1987 | 44° | 25° | 34° | — | — |
| 1986 | 51° | 30° | 40° | — | — |
| 1985 | 47° | 19° | 33° | — | — |
| 1984 | 27° | 5° | 16° | — | — |
| 1983 | 50° | 27° | 38° | — | — |
| 1982 | 57° | 35° | 46° | — | — |
| 1981 | 50° | 32° | 41° | — | — |
| 1980 | 35° | 20° | 27° | 0.05" | — |
| 1979 | 51° | 31° | 41° | 1.09" | — |
| 1978 | 58° | 31° | 44° | — | — |
| 1977 | 60° | 27° | 43° | — | — |
| 1976 | 50° | 21° | 36° | — | — |
| 1975 | 56° | 28° | 42° | — | — |
| 1974 | 64° | 30° | 47° | — | — |
| 1973 | 63° | 30° | 46° | — | — |
| 1972 | 51° | 29° | 40° | — | — |
| 1971 | 46° | 25° | 35° | — | — |
West Yellowstone, MT Temperature Range by Month
Average monthly highs and lows. The shaded band shows the typical daily temperature range.
West Yellowstone, MT Monthly Precipitation
Average rainfall and snowfall per month, in inches.
West Yellowstone, MT Daily Temperature Calendar
Average daily high temperature for every day of the year. Each cell is the climatological mean for that calendar day across 55 years of NOAA data.
Best Time to Visit West Yellowstone, MT
West Yellowstone, MT has no months that meet our "pleasant" threshold — every season has tradeoffs.