Weather on October 27 at Grand Teton

Grand Teton National Park

WYRocky Mountain6,800 ft elevation
Avg High50°F
Avg Low21°F
Warmest199954°F
Coldest20208°F

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

October 27th in Grand Teton National Park (via Jackson, WY) typically brings cool fall weather, with average highs around 50°F and lows near 21°F — a 29°F daily swing. Over 55 years of records, the warmest October 27th was in 1999 (54°F average), while the coldest was 2020 (8°F) — a 46°F range across recorded history. Precipitation has occurred on 22% of recorded October 27th dates, with snow falling 9% of the time (heaviest snowfall: 2"). The last decade has been 7.0°F cooler on this date compared to 20-30 years ago.

The last decade has been 7.0°F cooler on this date compared to 20-30 years ago.

Planning for October 27th in Grand Teton? Bring layers as temperatures can vary throughout the day.

Year by Year History

YearHighLowPrecipSnow
202540°F31°F----
202464°F19°F0"0"
202336°F19°F0"0"
202238°F15°F0"0"
202143°F32°F0.25"0.2"
202019°F-4°F0"0"
201946°F16°F0.05"0"
201850°F24°F0"0"
201749°F17°F0"0"
201660°F26°F0"0"
201550°F33°F0.69"0"
201446°F31°F0"0"
201360°F15°F0"0"
201233°F13°F0.13"0.3"
201144°F12°F0"0"
201029°F17°F0.15"0.5"
200942°F24°F0.33"0.5"
200858°F14°F0"0"
200759°F24°F0"0"
200649°F19°F0"0"
200562°F21°F----
200454°F35°F----
200356°F26°F----
200254°F18°F----
200167°F18°F0"--
200043°F30°F0"--
199968°F40°F----
199865°F21°F----
199754°F6°F0"0"
199633°F10°F0"--
199553°F26°F0"0"
199459°F43°F0"0"
199340°F26°F0"--
199259°F25°F0"0"
199139°F31°F0.18"0"
199065°F15°F0"0"
198945°F27°F0"0"
198865°F27°F0"0"
198762°F13°F0"0"
198659°F16°F0"0"
198565°F20°F0"0"
198438°F20°F0.28"0"
198364°F16°F0"0"
198241°F30°F0.03"0"
198157°F21°F0"--
198039°F22°F0"0"
197952°F14°F0"0"
197859°F10°F0"0"
197767°F19°F0"0"
197647°F11°F0"0"
197538°F23°F1.27"--
197459°F20°F0"0"
197354°F16°F0"0"
197243°F16°F0.1"0"
197130°F28°F0.25"2"

October 27 at Nearby Parks

Holiday Weather at Grand Teton

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

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