Weather on April 18 at Grand Teton
Grand Teton National Park
Based on 55 years of data from Jackson, WY
Elevation Note: Grand Teton sits at 6,800 ft. Expect temperatures 24°F cooler than the data shown below, which comes from Jackson, WY at a lower elevation.
Planning Your Visit
April 18th in Grand Teton National Park (via Jackson, WY) typically brings cool spring weather, with average highs around 53°F and lows near 24°F — a 29°F daily swing. Over 55 years of records, the warmest April 18th was in 1994 (53°F average), while the coldest was 2013 (21°F) — a 32°F range across recorded history. Precipitation has occurred on 29% of recorded April 18th dates, with snow falling 11% of the time (heaviest snowfall: 2"). The last decade has been 5.8°F cooler on this date compared to 20-30 years ago.
The last decade has been 5.8°F cooler on this date compared to 20-30 years ago.
Planning for April 18th in Grand Teton? Bring layers as temperatures can vary throughout the day.
Year by Year History
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2025 | 39°F | 23°F | 0.08" | 0" |
| 2024 | 42°F | 12°F | 0.08" | 0.8" |
| 2023 | 56°F | 31°F | 1.78" | 0" |
| 2022 | 38°F | 25°F | 0" | 0" |
| 2021 | 50°F | 16°F | -- | 0" |
| 2020 | 44°F | 14°F | 0" | 0" |
| 2019 | 49°F | 35°F | 0" | 0" |
| 2018 | 35°F | 13°F | 0.3" | 1.2" |
| 2017 | 48°F | 36°F | 0.2" | 0" |
| 2016 | 51°F | 26°F | 0" | 0" |
| 2015 | 61°F | 21°F | 0" | 0" |
| 2014 | 56°F | 29°F | 0" | 0" |
| 2013 | 33°F | 9°F | 0" | 0" |
| 2012 | 38°F | 29°F | 1.02" | -- |
| 2011 | 45°F | 27°F | 0" | 0" |
| 2010 | 60°F | 28°F | 0" | -- |
| 2009 | 52°F | 26°F | 0" | 0" |
| 2008 | 53°F | 20°F | 0" | 0" |
| 2007 | 60°F | 36°F | -- | 0" |
| 2006 | 42°F | 25°F | -- | -- |
| 2005 | 65°F | 33°F | -- | -- |
| 2004 | 52°F | 35°F | -- | -- |
| 2003 | 44°F | 21°F | 0.25" | -- |
| 2002 | 46°F | 25°F | 0" | 0" |
| 2001 | 72°F | 26°F | -- | -- |
| 2000 | 60°F | 32°F | -- | -- |
| 1999 | 61°F | 24°F | -- | -- |
| 1998 | 45°F | 16°F | 0" | 0" |
| 1997 | 66°F | 26°F | 0" | 0" |
| 1996 | 42°F | 12°F | 0.3" | 2" |
| 1995 | 51°F | 25°F | 0" | 0" |
| 1994 | 75°F | 30°F | 0" | -- |
| 1993 | 52°F | 29°F | -- | 0" |
| 1992 | 47°F | 30°F | 0.64" | 0" |
| 1991 | 50°F | 29°F | 0.05" | 0" |
| 1990 | 63°F | 25°F | 0" | 0" |
| 1989 | 67°F | 29°F | 0" | 0" |
| 1988 | 67°F | 26°F | 0" | 0" |
| 1987 | 72°F | 19°F | 0" | 0" |
| 1986 | 41°F | 19°F | 0" | 0" |
| 1985 | 63°F | 29°F | 0.1" | 0" |
| 1984 | 64°F | 33°F | 0.28" | 0" |
| 1983 | 62°F | 20°F | 0" | 0" |
| 1982 | 44°F | 10°F | 0" | 0" |
| 1981 | 71°F | 23°F | 0" | 0" |
| 1980 | 69°F | 21°F | 0" | 0" |
| 1979 | 61°F | 29°F | 0" | 0" |
| 1978 | 49°F | 22°F | 0" | 0" |
| 1977 | 48°F | 15°F | 0.36" | 0" |
| 1976 | 43°F | 24°F | 0" | 0" |
| 1975 | 41°F | 6°F | 0.74" | 2" |
| 1974 | 67°F | 19°F | 0" | 0" |
| 1973 | 38°F | 28°F | 0" | 0" |
| 1972 | 38°F | 24°F | 0.13" | 0.5" |
| 1971 | 45°F | 32°F | 0.76" | 1.5" |