Temperature
Pleasant by day, mild at night.
Great Smoky Mountains is most comfortable in spring and autumn. Summers are warm and winters are cool. Rain is frequent in most months. Humidity is usually low.

Pleasant by day, mild at night.
Rain is especially frequent this month.
Cloudier spells limit sunshine.
The air feels humid this month.
In August, afternoons feel about 79° and nights feel near 66°.
Mostly cloudy skies.
August late afternoons are around 76°F, easing to about 73°F in early evening.
Calm winds are typical in August.
Want a side-by-side climate view? Compare Great Smoky Mountains with Niagara Falls.
Typical monthly values are based on long-term climate records. Useful for planning, not a forecast. Check the weather before you travel.
Local microclimates can vary by beach, neighborhood, trail, or elevation.
Last updated: Jul 31, 2026
Data & methodology