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.

Patches Fog Fog/Mist

61°F

16°C

Humidity 97%
Wind Speed SW 3 mph
Barometer 30.16 in (1020.6 mb)
Dewpoint 60°F (16°C)
Visibility 5.00 mi
Last update 12 Oct 8:53 am EDT
Extended Forecast for

Alcoa TN

  • Columbus Day

    Columbus Day: Partly sunny, then gradually becoming sunny, with a high near 81. Southwest wind around 5 mph becoming calm.

    High: 81 °F

    Becoming
    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 59. South wind around 5 mph becoming calm.

    Low: 59 °F

    Mostly Clear

  • Tuesday

    Tuesday: Patchy fog before 9am. Otherwise, sunny, with a high near 85. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 85 °F

    Patchy Fog
    then Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 60. South wind around 5 mph becoming calm in the evening.

    Low: 60 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 86. Calm wind becoming west around 5 mph.

    High: 86 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 62. South wind around 5 mph becoming calm.

    Low: 62 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 86. Calm wind becoming west around 5 mph in the afternoon.

    High: 86 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 65.

    Low: 65 °F

    Mostly Clear

  • Friday

    Friday: A 30 percent chance of showers, mainly after 2pm. Mostly sunny, with a high near 80. Breezy.

    High: 80 °F

    Chance
    Showers and
    Breezy

Detailed Forecast

Columbus Day
Partly sunny, then gradually becoming sunny, with a high near 81. Southwest wind around 5 mph becoming calm.
Tonight
Mostly clear, with a low around 59. South wind around 5 mph becoming calm.
Tuesday
Patchy fog before 9am. Otherwise, sunny, with a high near 85. Calm wind becoming southwest around 5 mph in the afternoon.
Tuesday Night
Clear, with a low around 60. South wind around 5 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 86. Calm wind becoming west around 5 mph.
Wednesday Night
Mostly clear, with a low around 62. South wind around 5 mph becoming calm.
Thursday
Sunny, with a high near 86. Calm wind becoming west around 5 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 65.
Friday
A 30 percent chance of showers, mainly after 2pm. Mostly sunny, with a high near 80. Breezy.
Friday Night
A 30 percent chance of showers before 8pm. Partly cloudy, with a low around 47.
Saturday
Mostly sunny, with a high near 62. Breezy.
Saturday Night
Mostly clear, with a low around 40.
Sunday
Sunny, with a high near 69.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Alcoa TN
 35.8°N 83.98°W (Elev. 955 ft)
Last Update:
7:06 am EDT Oct 12, 2026
Forecast Valid:
9am EDT Oct 12, 2026-6pm EDT Oct 18, 2026
 
Forecast Discussion
 
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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