National park in Tennessee

Great Smoky Mountains National Park Weather Forecast

Great Smoky Mountains National Park weather: 62°F, overcast. Hourly forecast, 14-day outlook, UV, air quality and the best time to visit.

☁️ 62°F now🕔 5:28 AM local📅 Best: June and August

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 62°F (17°C) in Great Smoky Mountains National Park with overcast. It feels like 62°F. Today runs from 61°F to 69°F. Chance of precipitation is 37%. Sightseeing conditions score 8.7/10 - excellent - go now.

The best time to visit Great Smoky Mountains National Park is June and August. 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 August. The forecast high of 69°F is in line with the 70°F typical for this month. The best window to be outside is roughly 1 PM to 4 PM, when temperature, rain chance and wind line up best. fishing is the strongest bet in Great Smoky Mountains National Park today at 9.4/10. 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.

Weather in Great Smoky Mountains National Park right now

☁️
62°F
Overcast · feels like 62°F
Humidity82%
Wind7 mph WSW
Gusts15 mph
UV index0 · Low
Cloud cover100%
Pressure849 hPa
VisibilityGood · 10 mi
Air quality58 · Moderate
Sunrise6:57 AM
Sunset8:15 PM
Moon🌓 First quarter · 57%

Source: Open-Meteo. Updated 5:28 AM, Aug 21 local time.

Next 24 hours

Hour-by-hour temperature, precipitation chance and wind.

5 AM🌥️61°34%6 mph
6 AM🌦️61°37%10 mph
7 AM🌧️61°27%8 mph
8 AM☁️61°21%7 mph
9 AM☁️63°16%4 mph
10 AM☁️62°6%4 mph
11 AM🌦️64°10%3 mph
12 PM☁️65°14%4 mph
1 PM🌤️67°16%1 mph
2 PM🌤️68°17%4 mph
3 PM69°19%5 mph
4 PM69°20%8 mph
5 PM🌤️68°25%8 mph
6 PM☀️68°28%9 mph
7 PM☁️66°33%10 mph
8 PM🌙64°27%7 mph
9 PM☁️62°14%6 mph
10 PM🌧️62°10%6 mph
11 PM☁️61°6%7 mph
12 AM🌙60°5%6 mph
1 AM🌙59°5%5 mph
2 AM🌙59°3%5 mph
3 AM🌙58°2%4 mph
4 AM🌙58°1%4 mph

16-day forecast for Great Smoky Mountains National Park

Daily highs and lows, precipitation and UV.

DayConditionsHigh / LowPrecipWindUV
Fri, Aug 21🌧️ Rain69° / 61°37% · 0,2 in10 mph7
Sat, Aug 22☁️ Overcast68° / 56°20%9 mph8
Sun, Aug 23☁️ Overcast68° / 51°20%11 mph8
Mon, Aug 24🌦️ Light drizzle69° / 51°17% · 0,1 in6 mph6
Tue, Aug 25🌦️ Light drizzle68° / 53°33% · 0,1 in4 mph7
Wed, Aug 26⛈️ Thunderstorm67° / 54°50% · 0,4 in5 mph7
Thu, Aug 27🌦️ Light showers66° / 55°45% · 0,7 in5 mph5
Fri, Aug 28🌦️ Drizzle74° / 53°28% · 0,1 in8 mph7
Sat, Aug 29🌦️ Light drizzle69° / 56°33% · 0,1 in5 mph7
Sun, Aug 30⛈️ Thunderstorm69° / 55°33% · 0,3 in3 mph6
Mon, Aug 31🌦️ Light drizzle79° / 58°40% · 0,0 in7 mph7
Tue, Sep 1⛈️ Thunderstorm77° / 60°39% · 0,1 in7 mph7
Wed, Sep 2🌧️ Showers63° / 59°55% · 0,7 in5 mph2
Thu, Sep 3☁️ Overcast79° / 58°56%6 mph7
Fri, Sep 4⛈️ Thunderstorm73° / 58°55% · 1,0 in3 mph3
Sat, Sep 5☀️ Clear sky-- / --73%--

Climate in Great Smoky Mountains National Park month by month

Average high, average low and total rainfall, based on three years of reanalysis data.

JanFebMarAprMayJunJulAugSepOctNovDecLine: average high · Bars: rainfall
MonthAvg highAvg lowRainfallRating
January33°17°5,9 in☆☆☆☆
February43°25°5,2 in★★☆☆☆
March52°32°5,4 in★★☆☆☆
April58°40°5,0 in★★★☆☆
May62°47°5,8 in★★★☆☆
June69°54°4,7 in★★★★
July72°58°6,2 in★★★★
August70°55°3,4 in★★★★
September66°51°5,6 in★★★☆☆
October58°41°2,1 in★★★★
November49°33°3,3 in★★★☆☆
December42°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.

Loading map…

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

58
Moderate
Unusually sensitive people should limit long outdoor exertion.
PM2.58.4 µg/m³
PM108.6 µg/m³
Ozone15 µg/m³
NO₂6.1 µg/m³
UV index0 · Low
Airborne hazeLight haze

Air quality: Open-Meteo (CAMS). US AQI scale.

Sun, twilight and moon

Sunrise6:57 AM
Sunset8:15 PM
Daylight13h 18m
Solar noon1:36 PM
Golden hour (am)6:57 AM - 7:57 AM
Golden hour (pm)7:15 PM - 8:15 PM
Blue hour (am)6:27 AM - 6:57 AM
Blue hour (pm)8:15 PM - 8:45 PM
Moon phase🌓 First quarter · 57%
Moonrise4:05 PM
Moonset12:45 AM

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 and August. 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.

January☆☆☆☆
February★★☆☆☆
March★★☆☆☆
April★★★☆☆
May★★★☆☆
June★★★★
July★★★★
August★★★★
September★★★☆☆
October★★★★
November★★★☆☆
December★★☆☆☆

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 62°F (17°C) with overcast. Humidity is 82% and wind is 7 mph.

When is the best time to visit Great Smoky Mountains National Park?

June and August 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 5:28 AM.

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 dataUSPOTUS Atlas dataset (national-parks) - coordinates, hierarchy and facts.
Forecast and observationsOpen-Meteo (ECMWF and national models).
Air quality and pollenCopernicus CAMS via Open-Meteo. US AQI scale.
Climate averagesERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years.
Official alertsUS National Weather Service.
MethodScores, 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 August 21, 2026 at 5:28 AM local time. Live blocks refresh every 15 minutes; climate averages monthly.

Davil Hofile
Written byWriter at USPOTUS

Davil Hofile is a writer at USPOTUS covering breaking news, NFL updates, viral stories, entertainment, pets, and lifestyle. He specializes in transforming complex news into clear, trustworthy, and engaging articles that help readers quickly understand what's happening across the United States. His reporting follows Google's E-E-A-T guidelines, emphasizing accuracy, credible sources, and practical value for readers.

More from Davil Hofile