Yellowstone National Park in October
In October, Yellowstone National Park averages a high of 46°F and a low of 22°F, with 1.9 inches of precipitation (rain plus melted snow). About 320,000 people visit, the 6th busiest of 12 (moderate). Days are 10 hours 54 minutes long.
- Quiet
- Moderate
- Busy
- Very busy
- Few or no visits (may be closed)
- Best months
- High / low
- 46° / 22°F
- Precipitation
- 1.9in
- Snow
- –in
- Daylight
- 10h 54m
- Visitors
- 320,000
- Crowds
- Moderate
Best months for weather and crowds instead: July (very busy), August (very busy) and September (very busy).
Higher or lower in the park, expect a different picture: Gardiner, MT at 5,275 ft averages a October high of 60°F and a low of 34°F.
Weather 1991–2020 averages at Yellowstone Lake, WY, 4.3 miles from the park's center, 7,835 ft. Second station lower down: Gardiner, MT, 5,275 ft, 32.7 miles. Visitors National Park Service recreation visits, average of 2023–2025. Updated .
Other parks in October
| Park | High / low °F | Crowds | Weather |
|---|---|---|---|
| John D. Rockefeller, Jr., Memorial Parkway | 51° / 21° | Quiet | Cool |
| Grand Teton National Park | 51° / 25° | Moderate | Cool |
| Glacier National Park | 52° / 33° | Quiet | Cool |
| Mount Rushmore National Memorial | 55° / 37° | Quiet | Mild, wet |
| Wind Cave National Park | 61° / 34° | Quiet | Mild, wet |
Closures, reservations and alerts: Yellowstone National Park on nps.gov
All twelve months at Yellowstone · National parks to visit in October