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.

Fair

48°F

9°C

Humidity 61%
Wind Speed W 7 mph
Barometer 30.12 in (1019.8 mb)
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Wind Chill45°F (7°C)
Last update 10 Feb 12:53 am EST
Extended Forecast for

Alcoa TN

  • Overnight

    Overnight: Mostly clear, with a low around 39. West wind around 5 mph.

    Low: 39 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 69. Southwest wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph.

    High: 69 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Showers, mainly after 2am. Low around 47. Southwest wind around 10 mph becoming northwest after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 47 °F

    Slight Chance
    Showers then
    Showers

  • Wednesday

    Wednesday: A 30 percent chance of showers before 1pm. Cloudy through mid morning, then gradual clearing, with a high near 57. North wind around 5 mph.

    High: 57 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 31. North wind around 5 mph becoming calm in the evening.

    Low: 31 °F

    Mostly Clear

  • Thursday

    Thursday: Partly sunny, with a high near 52. Calm wind becoming northeast around 5 mph in the afternoon.

    High: 52 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Cloudy, with a low around 36. Calm wind.

    Low: 36 °F

    Cloudy

  • Friday

    Friday: Partly sunny, with a high near 54.

    High: 54 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 39.

    Low: 39 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 39. West wind around 5 mph.
Tuesday
Mostly sunny, with a high near 69. Southwest wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph.
Tuesday Night
Showers, mainly after 2am. Low around 47. Southwest wind around 10 mph becoming northwest after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday
A 30 percent chance of showers before 1pm. Cloudy through mid morning, then gradual clearing, with a high near 57. North wind around 5 mph.
Wednesday Night
Mostly clear, with a low around 31. North wind around 5 mph becoming calm in the evening.
Thursday
Partly sunny, with a high near 52. Calm wind becoming northeast around 5 mph in the afternoon.
Thursday Night
Cloudy, with a low around 36. Calm wind.
Friday
Partly sunny, with a high near 54.
Friday Night
Mostly cloudy, with a low around 39.
Saturday
A 30 percent chance of showers, mainly after 1pm. Cloudy, with a high near 56.
Saturday Night
Showers likely. Cloudy, with a low around 46. Chance of precipitation is 70%.
Sunday
Showers. High near 61. Chance of precipitation is 90%.
Sunday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 42.
Washington's Birthday
Mostly sunny, with a high near 61.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Alcoa TN
 35.8°N 83.96°W (Elev. 856 ft)
Last Update:
1:26 am EST Feb 10, 2026
Forecast Valid:
1am EST Feb 10, 2026-6pm EST Feb 16, 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