Indiana Dunes National Park in October
In October, Indiana Dunes National Park averages a high of 62°F and a low of 45°F, with 3.8 inches of precipitation (rain plus melted snow). About 192,000 people visit, the 6th busiest of 12 (moderate). Days are 11 hours 01 minutes long.
- Quiet
- Moderate
- Busy
- Very busy
- Few or no visits (may be closed)
- Best months
- High / low
- 62° / 45°F
- Precipitation
- 3.8in
- Snow
- 0in
- Daylight
- 11h 1m
- Visitors
- 192,000
- Crowds
- Moderate
Best months for weather and crowds instead: April (moderate).
Weather 1991–2020 averages at Indiana Dunes Nl, IN, 3.4 miles from the park's center, 680 ft. Visitors National Park Service recreation visits, average of 2023–2025. Updated .
Other parks in October
| Park | High / low °F | Crowds | Weather |
|---|---|---|---|
| Sleeping Bear Dunes National Lakeshore | 56° / 42° | Quiet | Mild, wet |
| Gateway Arch National Park | 69° / 46° | Quiet | Mild |
| Cuyahoga Valley National Park | 61° / 41° | Busy | Mild |
| Mammoth Cave National Park | 74° / 49° | Moderate | Mild |
| Ozark National Scenic Riverways | 71° / 41° | Quiet | Mild |
Closures, reservations and alerts: Indiana Dunes National Park on nps.gov
All twelve months at Indiana Dunes · National parks to visit in October