Weather on June 21 at Grand Teton
Grand Teton National Park
Based on 56 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
June 21st in Grand Teton National Park (via Jackson, WY) typically brings pleasant summer weather, with average highs around 74°F and lows near 38°F — a 36°F daily swing. Over 56 years of records, the warmest June 21st was in 1988 (70°F average), while the coldest was 1989 (37°F) — a 33°F range across recorded history. Rain or other precipitation has occurred on about 16% of June 21st dates historically. Temperatures on this date have remained relatively stable over the past several decades.
Temperatures on this date have remained relatively stable over the past several decades.
Planning for June 21st in Grand Teton? Great weather for outdoor activities.
Year by Year History
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2026 | 73°F | 47°F | 0.13" | 0" |
| 2025 | 77°F | 45°F | 0.08" | 0" |
| 2024 | 76°F | 39°F | 0" | 0" |
| 2023 | 57°F | 31°F | 0.08" | 0" |
| 2022 | 55°F | 30°F | 0.2" | 0" |
| 2021 | 73°F | 34°F | 0" | 0" |
| 2020 | 68°F | 41°F | 0" | 0" |
| 2019 | 56°F | 33°F | 0" | 0" |
| 2018 | 66°F | 41°F | 0" | 0" |
| 2017 | 81°F | 41°F | 0.1" | 0" |
| 2016 | 84°F | 41°F | 0" | 0" |
| 2015 | 74°F | 42°F | 0" | 0" |
| 2014 | 74°F | 35°F | 0" | 0" |
| 2013 | 63°F | 30°F | 0" | 0" |
| 2012 | 76°F | 36°F | 0" | -- |
| 2011 | 68°F | 35°F | 0" | 0" |
| 2010 | 66°F | 40°F | 0" | -- |
| 2009 | 66°F | 43°F | 0" | 0" |
| 2008 | 80°F | 30°F | 0" | 0" |
| 2007 | 80°F | 48°F | 0" | -- |
| 2006 | 74°F | 32°F | -- | -- |
| 2005 | 82°F | 37°F | -- | -- |
| 2004 | 70°F | 34°F | -- | -- |
| 2003 | 53°F | 33°F | 0" | -- |
| 2002 | 85°F | 32°F | -- | -- |
| 2001 | 82°F | 32°F | 0" | -- |
| 2000 | 74°F | 33°F | -- | -- |
| 1999 | 85°F | 42°F | -- | -- |
| 1998 | 67°F | 31°F | 0" | 0" |
| 1997 | 80°F | 40°F | 0" | 0" |
| 1996 | 70°F | 37°F | 0" | -- |
| 1995 | 71°F | 42°F | 0" | 0" |
| 1994 | 90°F | 48°F | 0" | 0" |
| 1993 | 83°F | 45°F | 0" | 0" |
| 1992 | 79°F | 36°F | 0" | 0" |
| 1991 | 77°F | 42°F | 0" | 0" |
| 1990 | 75°F | 36°F | 0" | 0" |
| 1989 | 48°F | 26°F | 0" | -- |
| 1988 | 88°F | 53°F | 0.18" | 0" |
| 1987 | 80°F | 34°F | 0" | 0" |
| 1986 | 76°F | 36°F | 0" | 0" |
| 1985 | 82°F | 35°F | 0" | 0" |
| 1984 | 77°F | 33°F | 0" | 0" |
| 1983 | 66°F | 34°F | 0" | 0" |
| 1982 | 80°F | 35°F | 0" | 0" |
| 1981 | 71°F | 52°F | 0" | 0" |
| 1980 | 82°F | 36°F | 0.05" | 0" |
| 1979 | 69°F | 38°F | 0" | 0" |
| 1978 | 79°F | 35°F | 0.2" | 0" |
| 1977 | 71°F | 40°F | 0" | 0" |
| 1976 | 80°F | 40°F | 0.46" | 0" |
| 1975 | 62°F | 39°F | 0" | 0" |
| 1974 | 74°F | 44°F | 0" | 0" |
| 1973 | 76°F | 32°F | 0" | 0" |
| 1972 | 70°F | 40°F | 0" | 0" |
| 1971 | 85°F | 37°F | 0" | 0" |