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.

A Few Clouds

71°F

22°C

Humidity 87%
Wind Speed Calm
Barometer 30.08 in (1017.6 mb)
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Last update 15 Oct 12:53 am EDT
Extended Forecast for

Alcoa TN

  • Overnight

    Overnight: Partly cloudy, with a low around 63. Calm wind.

    Low: 63 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 88. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 88 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 65. Southwest wind around 5 mph.

    Low: 65 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 83. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 83 °F

    Sunny

  • Friday Night

    Friday Night: A 50 percent chance of showers, mainly before 2am. Mostly cloudy, with a low around 48. North wind around 10 mph, with gusts as high as 20 mph.

    Low: 48 °F

    Chance
    Showers

  • Saturday

    Saturday: A 10 percent chance of showers before 8am. Mostly sunny, with a high near 61. Breezy, with a northeast wind 15 to 20 mph, with gusts as high as 25 mph.

    High: 61 °F

    Breezy.
    Slight Chance
    Showers then
    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 40. Northeast wind around 10 mph, with gusts as high as 20 mph.

    Low: 40 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 67.

    High: 67 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 40.

    Low: 40 °F

    Mostly Clear

Detailed Forecast

Overnight
Partly cloudy, with a low around 63. Calm wind.
Thursday
Sunny, with a high near 88. Calm wind becoming southwest around 5 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 65. Southwest wind around 5 mph.
Friday
Sunny, with a high near 83. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Friday Night
A 50 percent chance of showers, mainly before 2am. Mostly cloudy, with a low around 48. North wind around 10 mph, with gusts as high as 20 mph.
Saturday
A 10 percent chance of showers before 8am. Mostly sunny, with a high near 61. Breezy, with a northeast wind 15 to 20 mph, with gusts as high as 25 mph.
Saturday Night
Mostly clear, with a low around 40. Northeast wind around 10 mph, with gusts as high as 20 mph.
Sunday
Sunny, with a high near 67.
Sunday Night
Mostly clear, with a low around 40.
Monday
Sunny, with a high near 69.
Monday Night
Mostly clear, with a low around 47.
Tuesday
Mostly sunny, with a high near 73.
Tuesday Night
Partly cloudy, with a low around 49.
Wednesday
Mostly sunny, with a high near 76.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Alcoa TN
 35.78°N 83.99°W (Elev. 869 ft)
Last Update:
1:01 am EDT Oct 15, 2026
Forecast Valid:
1am EDT Oct 15, 2026-6pm EDT Oct 21, 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