Great Smoky Mountains National Park Weather Forecast
Great Smoky Mountains National Park weather: 63°F, clear sky. Hourly forecast, 14-day outlook, UV, air quality and the best time to visit.
Summary
Great Smoky Mountains National Park is a national park in Tennessee. Great Smoky Mountains National Park is a US national park known for the most visited US national park.
Right now it is 63°F (17°C) in Great Smoky Mountains National Park with clear sky. It feels like 66°F. Today runs from 49°F to 64°F. Chance of precipitation is 1%. Sightseeing conditions score 9.9/10 - excellent - go now.
The best time to visit Great Smoky Mountains National Park is June, July, August, September and October. The climate is continental. January, February and December tend to be the least comfortable months. July is the warmest month with average highs near 72°F, while January is the coldest with lows near 17°F.
The closest major airport is Hartsfield-Jackson Atlanta International Airport (ATL), about 146 mi away. Nearby highlights include Chimney Rock State Park, Cumberland Falls State Resort Park, Grayson Highlands State Park and Mammoth Cave National Park.
In plain terms. Today is about average for September. The forecast high of 64°F is in line with the 67°F typical for this month. The best window to be outside is roughly 3 PM to 6 PM, when temperature, rain chance and wind line up best. sightseeing is the strongest bet in Great Smoky Mountains National Park today at 9.9/10. No weather-related travel disruption is expected today. Roads and airports should run normally.
Compiled from this page's own data: atlas facts plus live Open-Meteo readings.
Active alerts for Great Smoky Mountains National Park
Derived from the forecast. No official alert feed is wired for this country yet.
Weather in Great Smoky Mountains National Park right now
Use SPF 30+, a hat and sunglasses; seek shade near midday.
Source: Open-Meteo. Updated 1:41 PM, Sep 30 local time.
Next 24 hours
Hour-by-hour temperature, precipitation chance and wind.
16-day forecast for Great Smoky Mountains National Park
Daily highs and lows, precipitation and UV.
| Day | Conditions | High / Low | Precip | Wind | UV |
|---|---|---|---|---|---|
| Wed, Sep 30 | ☀️ Clear sky | 64° / 49° | 1% | 11 mph | 6 |
| Thu, Oct 1 | ☁️ Overcast | 66° / 53° | 1% | 11 mph | 6 |
| Fri, Oct 2 | 🌦️ Light drizzle | 72° / 54° | 41% · 0,0 in | 10 mph | 6 |
| Sat, Oct 3 | ⛈️ Thunderstorm | 65° / 56° | 85% · 0,6 in | 4 mph | 5 |
| Sun, Oct 4 | 🌧️ Showers | 58° / 54° | 70% · 1,1 in | 5 mph | 1 |
| Mon, Oct 5 | 🌦️ Light drizzle | 62° / 45° | 42% · 0,1 in | 6 mph | 4 |
| Tue, Oct 6 | ☀️ Clear sky | 64° / 39° | 4% | 6 mph | 6 |
| Wed, Oct 7 | 🌤️ Mainly clear | 60° / 34° | 3% | 4 mph | 6 |
| Thu, Oct 8 | ☀️ Clear sky | 63° / 42° | 4% | 6 mph | 6 |
| Fri, Oct 9 | ☁️ Overcast | 65° / 43° | 7% | 4 mph | 6 |
| Sat, Oct 10 | ☁️ Overcast | 62° / 43° | 8% | 6 mph | 5 |
| Sun, Oct 11 | 🌦️ Light rain | 48° / 44° | 23% · 0,8 in | 8 mph | 0 |
| Mon, Oct 12 | 🌧️ Showers | 60° / 42° | 29% · 1,1 in | 7 mph | 4 |
| Tue, Oct 13 | ☀️ Clear sky | 60° / 34° | 26% | 6 mph | 6 |
| Wed, Oct 14 | 🌤️ Mainly clear | 60° / 38° | 13% | 7 mph | 5 |
| Thu, Oct 15 | ☀️ Clear sky | 51° / 31° | 11% | 7 mph | 5 |
Climate in Great Smoky Mountains National Park month by month
Average high, average low and total rainfall, based on three years of reanalysis data.
| Month | Avg high | Avg low | Rainfall | Rating |
|---|---|---|---|---|
| January | 33° | 17° | 5,9 in | ★☆☆☆☆ |
| February | 43° | 25° | 5,2 in | ★★☆☆☆ |
| March | 52° | 32° | 5,4 in | ★★☆☆☆ |
| April | 58° | 40° | 5,0 in | ★★★☆☆ |
| May | 62° | 47° | 5,8 in | ★★★☆☆ |
| June | 69° | 54° | 4,7 in | ★★★★☆ |
| July | 72° | 58° | 6,2 in | ★★★★☆ |
| August | 70° | 55° | 4,6 in | ★★★★☆ |
| September | 67° | 53° | 4,4 in | ★★★★☆ |
| October | 58° | 41° | 2,1 in | ★★★★☆ |
| November | 49° | 33° | 3,3 in | ★★★☆☆ |
| December | 42° | 26° | 4,2 in | ★★☆☆☆ |
Climate type: Continental. Source: Open-Meteo archive (ERA5).
Weather map for Great Smoky Mountains National Park
Animated model layers. Pick a layer to load it.
Animated layers by Windy. For pin-level detail and nearby places, see the interactive map below.
Air quality and pollen in Great Smoky Mountains National Park
Air quality: Open-Meteo (CAMS). US AQI scale.
Sun, twilight and moon
Golden and blue hour are the standard photographic approximation around sunrise and sunset.
Best time to visit Great Smoky Mountains National Park
Go in June, July, August, September and October. These months score highest on comfortable temperatures, low rainfall and useful daylight.
Hardest months: January, February and December - expect the least comfortable mix of heat, cold or rain.
Explore Great Smoky Mountains National Park
Every topic we hold for this place, and the same topic for the places around it.
Weather for related places
Frequently asked questions
Where is Great Smoky Mountains National Park?
Great Smoky Mountains National Park is a national park in Tennessee. Its coordinates are 35.6118, -83.4895. It lies in North America.
What is the weather like in Great Smoky Mountains National Park right now?
It is currently 63°F (17°C) with clear sky. Humidity is 61% and wind is 2 mph.
When is the best time to visit Great Smoky Mountains National Park?
June, July, August, September and October offer the most comfortable conditions in Great Smoky Mountains National Park, which has a continental climate. January, February and December are usually the hardest months for outdoor plans.
What time zone is Great Smoky Mountains National Park in?
Great Smoky Mountains National Park observes America/New_York (UTC-04:00). The local time is 1:41 PM.
What is the nearest airport to Great Smoky Mountains National Park?
The closest airports are Hartsfield-Jackson Atlanta International Airport (ATL), 146 mi away and Nashville International Airport (BNA), 182 mi away.
What are the top things to do in Great Smoky Mountains National Park?
Popular options include Chimney Rock State Park, Cumberland Falls State Resort Park, Grayson Highlands State Park, Mammoth Cave National Park, Congaree National Park and New River Gorge National Park.
Related articles
Data sources and methodology
| Place data | USPOTUS Atlas dataset (national-parks) - coordinates, hierarchy and facts. |
|---|---|
| Forecast and observations | Open-Meteo (ECMWF and national models). |
| Air quality and pollen | Copernicus CAMS via Open-Meteo. US AQI scale. |
| Climate averages | ERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years. |
| Official alerts | US National Weather Service. |
| Method | Scores, comparisons and advice on this page are computed from the inputs above. Distances are straight-line. Nothing is estimated where data is missing - the block is simply not shown. |
Last updated September 30, 2026 at 1:41 PM local time. Live blocks refresh every 15 minutes; climate averages monthly.
