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.

Overcast

27°F

-3°C

Humidity 58%
Wind Speed Calm
Barometer 30.23 in (1025.1 mb)
Dewpoint 14°F (-10°C)
Visibility 10.00 mi
Last update 2 Feb 1:53 pm EST
Extended Forecast for

Alcoa TN

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 35. Southwest wind around 5 mph.

    High: 35 °F

    Mostly Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 21. South wind around 5 mph becoming calm.

    Low: 21 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: Showers likely, mainly after 4pm. Mostly cloudy, with a high near 45. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 45 °F

    Mostly Cloudy
    then Showers
    Likely

  • Tuesday Night

    Tuesday Night: Showers, mainly before 1am. Low around 36. Southwest wind around 5 mph becoming northwest after midnight. Chance of precipitation is 80%.

    Low: 36 °F

    Showers

  • Wednesday

    Wednesday: A 20 percent chance of showers after 1pm. Cloudy, with a high near 42. North wind around 5 mph.

    High: 42 °F

    Cloudy then
    Slight Chance
    Showers

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 21. North wind around 5 mph.

    Low: 21 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 38. Calm wind becoming north around 5 mph.

    High: 38 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 24.

    Low: 24 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 51.

    High: 51 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 35. Southwest wind around 5 mph.
Tonight
Increasing clouds, with a low around 21. South wind around 5 mph becoming calm.
Tuesday
Showers likely, mainly after 4pm. Mostly cloudy, with a high near 45. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday Night
Showers, mainly before 1am. Low around 36. Southwest wind around 5 mph becoming northwest after midnight. Chance of precipitation is 80%.
Wednesday
A 20 percent chance of showers after 1pm. Cloudy, with a high near 42. North wind around 5 mph.
Wednesday Night
Mostly cloudy, with a low around 21. North wind around 5 mph.
Thursday
Mostly sunny, with a high near 38. Calm wind becoming north around 5 mph.
Thursday Night
Partly cloudy, with a low around 24.
Friday
Mostly sunny, with a high near 51.
Friday Night
Mostly cloudy, with a low around 30.
Saturday
Mostly sunny, with a high near 46.
Saturday Night
Partly cloudy, with a low around 26.
Sunday
Mostly sunny, with a high near 51.
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:
12:31 pm EST Feb 2, 2026
Forecast Valid:
2pm EST Feb 2, 2026-6pm EST Feb 8, 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