Mid-autumn · Weather & things to do
Grand Teton National Park in October
Grand Teton National Park cools off: highs slip to 48°F (9°C), from 65°F in September, with lows of 28°F (-2°C) and about 2.6 in (65 mm) of rain or snow.
Our comfort score puts it mid-table at 60/100, 6th of 12.
- Avg high
- 48°F (9°C)
- Avg low
- 28°F (-2°C)
- Rain or snow
- 2.6 in (65 mm)
- Humidity
- 70%
- Cloud cover
- 58%
- Daylight
- ~10 h 45 min
- Comfort score
- 60/100 · Good
What October feels like
It's cool, with highs near 48°F (9°C), so a proper jacket stays on most of the day.
Average lows of 28°F (-2°C) mean frosty nights and icy mornings.
Expect about 2.6 in (65 mm) of precipitation (rain or snow). Because nights fall well below freezing, snow is likely on some days.
Plan around October
October sits mid-table; the best months are June – September.
- Freezing nights return: average lows drop to 28°F.
- Snow becomes likely from October, so check road and trail conditions.
- The year's biggest cool-down: highs drop 10°C (17°F) from September.
- Comfort slips from 94/100 in September to 60/100.
- Our Glacier to Yellowstone route recommends Jun – Sep, so October falls outside its suggested window.
- Our Grand Teton, Jackson & Yellowstone route recommends Mid-Dec – Mar, so October falls outside its suggested window.
What to pack for October
- Insulated jackethighs only 48°F
- Hat, gloves and thermal base layerslows around 28°F
- Insulated, waterproof bootssnow is likely on some days
- Waterproof outer layerabout 2.6 in of rain or snow
- Comfortable walking shoesmost places below are best reached on foot or with short walks
What to do in Grand Teton National Park in October
With conditions on your side, the picks below favor time outside.
Schwabacher Landing
Beaver ponds on the Snake River reflecting the Teton range.
Why now October scores 60/100 for comfort, good conditions for being outside.
Blue Heron Lounge
Jackson Lake Lodge bar with big windows over Willow Flats and Mount Moran.
Why now Highs near 48°F and 2.6 in of monthly rain make this an easy outdoor pick.
Oxbow Bend
Slow Snake River bend reflecting Mount Moran, with moose and pelicans.
Why now One to do outside while the weather is on your side.
Jenny Lake Boating Shuttle
Boat across Jenny Lake to the Hidden Falls and Inspiration Point trails.
Taggart Lake Trail
Gentle 3-mile round trip through meadows to a lake at the base of the Grand Teton.
Mural Room
Jackson Lake Lodge's main dining room with 60-foot windows facing the range.
Nearby in October
- Jackson in October~22 mi · highs 52°F, 2.1 in rain · 2°C (4°F) warmer by day, about as wet
- Yellowstone National Park in October~44 mi · highs 43°F, 2.7 in rain or snow · 3°C (5°F) cooler by day, about as wet
- Yellowstone in October~57 mi · highs 43°F, 2.7 in rain or snow · 3°C (5°F) cooler by day, about as wet
- Salt Lake City in October~218 mi · highs 63°F, 1.8 in rain · 8°C (15°F) warmer by day, drier
NASA POWER 2001–2025 monthly averages on a ~50 km grid, temperatures adjusted from the grid cell's ~2,462 m to Grand Teton National Park's ~2,122 m elevation (standard lapse rate). Comfort scores weigh temperature, rain, humidity and cloud: see how we score each month. Check a forecast before you go.
Grand Teton National Park in October: quick answers
Is October a good time to visit Grand Teton National Park?
It's middling, scoring 60/100. The best months are June – September, at up to 97. Expect highs of 48°F (9°C) and 2.6 in (65 mm) of rain or snow. Our Glacier to Yellowstone route recommends Jun – Sep, so October is outside its suggested window.
How cold is Grand Teton National Park in October?
Average highs are 48°F (9°C) and average lows 28°F (-2°C), making it the 6th-warmest month by daytime highs, with nights below freezing on average.
Does it snow a lot in Grand Teton National Park in October?
Some: about 2.6 in (65 mm) of rain or snow falls across October on average, the 5th-driest month of the year. With temperatures this low, much of it may fall as snow. The annual total is about 30.9 in (785 mm).
What should I pack for Grand Teton National Park in October?
Bring insulated jacket (highs only 48°F), hat, gloves and thermal base layers (lows around 28°F), insulated, waterproof boots (snow is likely on some days), waterproof outer layer (about 2.6 in of rain or snow) and comfortable walking shoes (most places below are best reached on foot or with short walks).
More on Grand Teton National Park
Planning Grand Teton National Park in October?
Bring the crew into one shared trip: vote on dates, build the day-by-day plan, split costs and share one packing list.