Great Smoky Mountains National Park Weather in October
October in Great Smoky Mountains National Park brings moderate temperatures around 17°C (63°F) during the day, dropping to 4°C (39°F) at night, with quite a bit of rainfall expected, averaging around 145 mm (5.7 in) for the month.
Rainfall in Great Smoky Mountains National Park in October
Typically, you can expect about 12 days of rain this month, with 145 mm (5.7 in) on average. Rainfall intensity is on the higher side this month. Expect more substantial showers rather than light, passing rain.
Temperature in Great Smoky Mountains National Park in October
In October, Great Smoky Mountains National Park gets moderate temperatures, with highs of 17°C (63°F). Nights cool to around 4°C (39°F). A light jacket or extra layer can be useful, especially outside the warmest hours of the day. Nights drop to 4°C (39°F). Cold nights like these are actually great for sleeping well, as long as you have a warm enough duvet.
Sunshine in Great Smoky Mountains National Park in October
The days are predominantly sunny, with an estimated total of around 215 hours of sunshine. These sun-filled days are perfect for playing sports, visiting parks, or going for a bike ride.For Great Smoky Mountains National Park itself, May, June, August and September generally stand out with the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our Great Smoky Mountains National Park's climate page.
Great Smoky Mountains National Park Temperature in October
Min Temperature
4°C (39°F)
Max Temperature
17°C (63°F)
Chance of Rain
40%
Precipitation
145 mm (5.7 in)
Rainy days
12 days
Humidity
73% *
Sunshine
215 hours *
Percentage Sunshine
62% *
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Great Smoky Mountains National Park typically drop from around 24°C (75°F) at the start of October to approximately 19°C (66°F) by the end. Nights are cool, with lows typically ranging from 7°C (45°F) to 13°C (55°F).
Average temperatures in October
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in October
Historical weather for Great Smoky Mountains National Park in October
Browse day-by-day weather records for Great Smoky Mountains National Park spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Great Smoky Mountains National Park historical weather extremes in October
The extremes listed below come from historical weather data collected in Great Smoky Mountains National Park from 1976 through 2025.
- On October 3, 2019, temperatures climbed to 34°C (93°F), marking the warmest October day on record.
- The coldest October day was on October 31, 1993, with a maximum of 4°C (39°F).
- Great Smoky Mountains National Park registered its coldest October night on October 26, 2013, with temperatures dropping to -4°C (25°F).
- Peak precipitation in October occurred on October 23, 1984, when 48 mm (1.9 in) of precipitation was measured.
Best Places in the United States of America in October
Find out more about the weather in the United States of America and which places have the best travel conditions in this month. See all of the United States of America in October →
perfect weather
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tolerable
unpleasant
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What to Wear in Great Smoky Mountains National Park in October
Pleasant temperatures in October mean you can pack light but flexibel pieces. Think cotton t-shirts, comfortable walking shorts, and one warmer layer for evenings. A light sweater or denim jacket works well. Prepare for significant rainfall with proper waterproof clothing and shoes. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.What To Do in Great Smoky Mountains National Park in October
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our Great Smoky Mountains National Park's climate page.
