Weather on February 18 at Grand Teton

Grand Teton National Park

WYRocky Mountain6,800 ft elevation
Avg High33°F
Avg Low10°F
Warmest197242°F
Coldest2006-7°F

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

February 18th in Grand Teton National Park (via Jackson, WY) typically brings cold winter weather, with average highs around 33°F and lows near 10°F. Over 56 years of records, the warmest February 18th was in 1972 (42°F average), while the coldest was 2006 (-7°F) — a 49°F range across recorded history. Precipitation has occurred on 27% of recorded February 18th dates, with snow falling 23% of the time (heaviest snowfall: 5.5"). The last decade has been 2.0°F cooler on this date compared to 20-30 years ago.

The last decade has been 2.0°F cooler on this date compared to 20-30 years ago.

Planning for February 18th in Grand Teton? Bundle up with warm layers and protect extremities from the cold. Check road conditions if traveling, as snow is possible.

Year by Year History

YearHighLowPrecipSnow
202632°F17°F0.43"3"
202534°F25°F0.03"0.2"
202413°F-12°F0"0.4"
202331°F-12°F0"0"
202230°F22°F0"0.1"
202126°F4°F0"0"
202026°F-17°F0"0"
201920°F-21°F0"0"
201837°F28°F0.43"5"
201743°F30°F3.18"5.5"
201649°F28°F0.1"0"
201534°F9°F0"0"
201441°F23°F0.13"0"
201330°F17°F0"0"
201228°F9°F0.25"--
201127°F10°F0"0"
201034°F7°F0"--
200935°F20°F0"0"
200827°F-8°F0"0"
200741°F15°F1.27"--
200610°F-24°F----
200519°F-13°F----
200447°F36°F----
200340°F21°F0.79"3"
200231°F5°F----
200144°F10°F----
200021°F8°F0"--
199934°F2°F0"0"
199833°F1°F0"0"
199728°F10°F0"--
199634°F26°F0.25"--
199551°F31°F0"0"
199425°F13°F0"--
199335°F-1°F0.46"2.7"
199237°F12°F0"0.1"
199136°F9°F0"0"
199026°F-22°F0"0"
198936°F22°F0.64"0.5"
198840°F5°F0"0"
198727°F1°F0"0"
198641°F33°F--0"
198522°F-11°F0"0"
198432°F5°F0"0"
198341°F29°F0.03"2.5"
198245°F26°F0"0"
198143°F27°F0"0"
198040°F33°F0"0"
197930°F-1°F0"0"
197815°F-20°F0"0"
197748°F28°F0"0"
197634°F22°F0.33"4.5"
197523°F-9°F0"0"
197434°F0°F0"0"
197334°F21°F0"0"
197250°F34°F0"0"
197139°F15°F0.2"1.5"

February 18 at Nearby Parks

Holiday Weather at Grand Teton

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