National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Knoxville, McGhee Tyson Airport (KTYS)

Lat: 35.82°NLon: 83.99°WElev: 981ft.

Light Rain

53°F

12°C

Humidity 83%
Wind Speed N 5 mph
Barometer 30.26 in (1024.4 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Wind Chill52°F (11°C)
Last update 2 Mar 9:53 pm EST
Extended Forecast for

Alcoa TN

  • Tonight

    Tonight: A 20 percent chance of showers before midnight. Mostly cloudy, with a low around 49. South wind around 5 mph becoming northwest after midnight.

    Low: 49 °F

    Slight Chance
    Showers then
    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 72. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 72 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 50. Southwest wind around 5 mph becoming calm after midnight.

    Low: 50 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 78. Light and variable wind becoming southwest 5 to 10 mph in the morning.

    High: 78 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 55. South wind around 5 mph.

    Low: 55 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 80. Southwest wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 80 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 58. South wind around 5 mph.

    Low: 58 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 82.

    High: 82 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 61.

    Low: 61 °F

    Mostly Clear

Detailed Forecast

Tonight
A 20 percent chance of showers before midnight. Mostly cloudy, with a low around 49. South wind around 5 mph becoming northwest after midnight.
Tuesday
Partly sunny, with a high near 72. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Tuesday Night
Mostly cloudy, with a low around 50. Southwest wind around 5 mph becoming calm after midnight.
Wednesday
Partly sunny, with a high near 78. Light and variable wind becoming southwest 5 to 10 mph in the morning.
Wednesday Night
Mostly cloudy, with a low around 55. South wind around 5 mph.
Thursday
Partly sunny, with a high near 80. Southwest wind 5 to 15 mph, with gusts as high as 20 mph.
Thursday Night
Partly cloudy, with a low around 58. South wind around 5 mph.
Friday
Mostly sunny, with a high near 82.
Friday Night
Mostly clear, with a low around 61.
Saturday
A 50 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 82.
Saturday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 61.
Sunday
Showers likely. Mostly cloudy, with a high near 76. Chance of precipitation is 60%.
Sunday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 60.
Monday
Showers likely. Mostly cloudy, with a high near 75. Chance of precipitation is 70%.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Alcoa TN
 35.8°N 83.96°W (Elev. 856 ft)
Last Update:
7:41 pm EST Mar 2, 2026
Forecast Valid:
10pm EST Mar 2, 2026-6pm EDT Mar 9, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation