Weather on March 18 at Yellowstone
Yellowstone National Park
Based on 56 years of data from Jackson, WY
Elevation Note: Yellowstone sits at 7,350 ft. Expect temperatures 26°F cooler than the data shown below, which comes from Jackson, WY at a lower elevation.
Planning Your Visit
March 18th in Yellowstone National Park (via Jackson, WY) typically brings chilly spring weather, with average highs around 43°F and lows near 18°F — a 25°F daily swing. Over 56 years of records, the warmest March 18th was in 2026 (48°F average), while the coldest was 1971 (7°F) — a 41°F range across recorded history. Precipitation has occurred on 29% of recorded March 18th dates, with snow falling 14% of the time (heaviest snowfall: 6.8"). The last decade has been 3.4°F cooler on this date compared to 20-30 years ago.
The last decade has been 3.4°F cooler on this date compared to 20-30 years ago.
Planning for March 18th in Yellowstone? Bring layers as temperatures can vary throughout the day.
Year by Year History
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2026 | 62°F | 34°F | 0" | 0" |
| 2025 | 47°F | 25°F | 1.88" | 6.8" |
| 2024 | 42°F | 13°F | 0" | 0" |
| 2023 | 23°F | -7°F | 0" | 0" |
| 2022 | 38°F | 15°F | 0.08" | 0.5" |
| 2021 | 44°F | 18°F | 0" | 0" |
| 2020 | 37°F | 22°F | 0" | 0" |
| 2019 | 29°F | -4°F | 0" | 0" |
| 2018 | 35°F | 6°F | 0.2" | 0.5" |
| 2017 | 54°F | 24°F | 0" | 0" |
| 2016 | 30°F | -2°F | 0" | 0" |
| 2015 | 57°F | 34°F | 0.05" | 0" |
| 2014 | 42°F | 17°F | 0.69" | 3.5" |
| 2013 | 29°F | 15°F | 0.18" | 0.3" |
| 2012 | 44°F | 20°F | 0.76" | -- |
| 2011 | 29°F | 2°F | 0" | -- |
| 2010 | 54°F | 30°F | 0" | 0" |
| 2009 | 47°F | 22°F | 0" | 0" |
| 2008 | 35°F | 27°F | 0" | 0" |
| 2007 | 58°F | 31°F | 0" | -- |
| 2006 | 42°F | 24°F | -- | -- |
| 2005 | 37°F | 10°F | -- | -- |
| 2004 | 58°F | 32°F | -- | -- |
| 2003 | 42°F | 28°F | 0.46" | 0" |
| 2002 | 33°F | -5°F | 0" | 0" |
| 2001 | 43°F | 25°F | -- | -- |
| 2000 | 42°F | 14°F | -- | -- |
| 1999 | 41°F | 11°F | -- | -- |
| 1998 | 41°F | 17°F | 0" | 0" |
| 1997 | 52°F | 23°F | 0" | 0" |
| 1996 | 39°F | 16°F | 0" | 0" |
| 1995 | 56°F | 25°F | 0" | 0" |
| 1994 | 54°F | 22°F | 0" | 0" |
| 1993 | 49°F | 33°F | 0.48" | 0" |
| 1992 | 42°F | 28°F | 0.13" | 0" |
| 1991 | 48°F | 29°F | 0" | 0" |
| 1990 | 45°F | 24°F | 0" | 0" |
| 1989 | 35°F | 22°F | 0.64" | 0" |
| 1988 | 37°F | 3°F | 0" | 0" |
| 1987 | 42°F | 27°F | 0.36" | 2.3" |
| 1986 | 40°F | 22°F | 0" | 0" |
| 1985 | 43°F | 2°F | 0" | 0" |
| 1984 | 37°F | 14°F | 0.13" | 1" |
| 1983 | 37°F | 20°F | 0.13" | 0" |
| 1982 | 46°F | 23°F | 0" | 0" |
| 1981 | 41°F | 17°F | 0" | 0" |
| 1980 | 45°F | 17°F | 0" | 0" |
| 1979 | 37°F | 15°F | 0" | 0" |
| 1978 | 59°F | 26°F | 0" | 0" |
| 1977 | 37°F | 18°F | 0" | 0" |
| 1976 | 50°F | 25°F | 0" | 0" |
| 1975 | 39°F | 24°F | 0.23" | -- |
| 1974 | 41°F | 28°F | 0" | 0" |
| 1973 | 39°F | 20°F | 0.08" | 0.5" |
| 1972 | 60°F | 21°F | 0" | 0" |
| 1971 | 30°F | -17°F | 0" | 0" |