Mid-autumn · Weather & things to do
Indiana Dunes in October
Indiana Dunes cools off: highs slip to 62°F (17°C), from 76°F in September, with lows of 45°F (7°C) and about 3.7 in (95 mm) of rain.
It scores 80/100 for comfort, 4th of 12, which makes it a solid shoulder-season month.
- Avg high
- 62°F (17°C)
- Avg low
- 45°F (7°C)
- Rain
- 3.7 in (95 mm)
- Humidity
- 75%
- Cloud cover
- 58%
- Daylight
- ~10 h 51 min
- Comfort score
- 80/100 · Great
What October feels like
Days are mild at around 62°F (17°C): comfortable for walking all day, with a layer for the evening.
Lows average 45°F (7°C).
Showers are part of the month, adding up to about 3.7 in (95 mm).
Plan around October
October is shoulder season: good weather, a step below the best months (September).
- The year's biggest cool-down: highs drop 8°C (14°F) from September.
- Comfort slips from 88/100 in September to 80/100.
- October sits inside the May – Oct window our Indiana & Ohio City-Nature Loop recommends.
What to pack for October
- A warm layer for eveningslows near 45°F
- Packable rain jacket or umbrellaabout 3.7 in of rain
- Comfortable walking shoesmost picks involve some walking
What to do in Indiana Dunes in October
October is good outdoor weather here, so these picks lean toward the open air.
Dune Succession Trail
Boardwalk and stair climb showing beach-to-forest dune stages, starting at West Beach.
Why now October scores 80/100 for comfort, good conditions for being outside.
Shoreline Brewery
Michigan City brewpub with house beers and pub food near the lakefront.
Wagner's Ribs
Porter rib house known for slabs of barbecue ribs since the 1970s.
3 Dune Challenge
1.5-mile climb over the state park's three tallest dunes, 552 vertical feet in sand.
Why now Highs near 62°F and 3.7 in of monthly rain make this an easy outdoor pick.
West Beach
Lifeguarded national park beach with views of the Chicago skyline across Lake Michigan.
Why now One to do outside while the weather is on your side.
Nearby in October
- Chicago in October~34 mi · highs 59°F, 3.9 in rain · 2°C (3°F) cooler by day, about as wet
- Holland in October~92 mi · highs 58°F, 4.4 in rain · 2°C (4°F) cooler by day, wetter
- Milwaukee in October~105 mi · highs 60°F, 3.2 in rain · 1°C (2°F) cooler by day, about as wet
- Broad Ripple in October~132 mi · highs 65°F, 3.7 in rain · 1°C (3°F) warmer by day, about as wet
NASA POWER 2001–2025 monthly averages on a ~50 km grid. Comfort scores weigh temperature, rain, humidity and cloud: see how we score each month. Check a forecast before you go.
Indiana Dunes in October: quick answers
Is October a good time to visit Indiana Dunes?
It's a good shoulder-season choice, scoring 80/100 against a best of 88 in September. Expect highs of 62°F (17°C) and 3.7 in (95 mm) of rain. October is inside the May – Oct window our Indiana & Ohio City-Nature Loop recommends.
How cold is Indiana Dunes in October?
Average highs are 62°F (17°C) and average lows 45°F (7°C), making it the 6th-warmest month by daytime highs.
Does it rain a lot in Indiana Dunes in October?
Some: about 3.7 in (95 mm) of rain falls across October on average, the 5th-wettest month of the year. The annual total is about 38.7 in (984 mm).
What should I pack for Indiana Dunes in October?
Bring a warm layer for evenings (lows near 45°F), packable rain jacket or umbrella (about 3.7 in of rain) and comfortable walking shoes (most picks involve some walking).
More on Indiana Dunes
Routes in season in October
- Indiana & Ohio City-Nature Loop May – Oct
Planning Indiana Dunes in October?
Share this October plan with your group, poll everyone on dates and keep the packing list in one place.