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Weather on June 21 at Grand Teton

Grand Teton National Park

WYRocky Mountain6,800 ft elevation
Avg High74°F
Avg Low38°F
Warmest198870°F
Coldest198937°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

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

YearHighLowPrecipSnow
202673°F47°F0.13"0"
202577°F45°F0.08"0"
202476°F39°F0"0"
202357°F31°F0.08"0"
202255°F30°F0.2"0"
202173°F34°F0"0"
202068°F41°F0"0"
201956°F33°F0"0"
201866°F41°F0"0"
201781°F41°F0.1"0"
201684°F41°F0"0"
201574°F42°F0"0"
201474°F35°F0"0"
201363°F30°F0"0"
201276°F36°F0"--
201168°F35°F0"0"
201066°F40°F0"--
200966°F43°F0"0"
200880°F30°F0"0"
200780°F48°F0"--
200674°F32°F----
200582°F37°F----
200470°F34°F----
200353°F33°F0"--
200285°F32°F----
200182°F32°F0"--
200074°F33°F----
199985°F42°F----
199867°F31°F0"0"
199780°F40°F0"0"
199670°F37°F0"--
199571°F42°F0"0"
199490°F48°F0"0"
199383°F45°F0"0"
199279°F36°F0"0"
199177°F42°F0"0"
199075°F36°F0"0"
198948°F26°F0"--
198888°F53°F0.18"0"
198780°F34°F0"0"
198676°F36°F0"0"
198582°F35°F0"0"
198477°F33°F0"0"
198366°F34°F0"0"
198280°F35°F0"0"
198171°F52°F0"0"
198082°F36°F0.05"0"
197969°F38°F0"0"
197879°F35°F0.2"0"
197771°F40°F0"0"
197680°F40°F0.46"0"
197562°F39°F0"0"
197474°F44°F0"0"
197376°F32°F0"0"
197270°F40°F0"0"
197185°F37°F0"0"

June 21 at Nearby Parks

Holiday Weather at Grand Teton

Official NPS WebsiteVisit nps.gov/grte for park information, alerts, and reservations

Explore More at Grand Teton

See historical weather for other dates

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