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

34°F

1°C

Humidity 70%
Wind Speed Calm
Barometer 30.23 in (1023.9 mb)
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Last update 14 Feb 8:53 am EST
Extended Forecast for

Knoxville, McGhee Tyson Airport TN

  • Today

    Today: Partly sunny, with a high near 61. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 61 °F

    Partly Sunny

  • Tonight

    Tonight: Rain, mainly after 11pm. Low around 45. Calm wind becoming northeast around 5 mph after midnight. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 45 °F

    Slight Chance
    Rain then
    Rain

  • Sunday

    Sunday: Rain. High near 52. Northeast wind 5 to 10 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 52 °F

    Rain

  • Sunday Night

    Sunday Night: A 30 percent chance of rain before 1am. Mostly cloudy, with a low around 43. Northeast wind 5 to 10 mph.

    Low: 43 °F

    Chance Rain

  • Washington's Birthday

    Washington's Birthday: Mostly sunny, with a high near 63. Northeast wind around 5 mph becoming calm in the afternoon.

    High: 63 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 43. Calm wind.

    Low: 43 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 68. Light south wind becoming southwest 5 to 10 mph in the morning.

    High: 68 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 52.

    Low: 52 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 70. Breezy.

    High: 70 °F

    Mostly Cloudy
    and Breezy

Detailed Forecast

Today
Partly sunny, with a high near 61. Calm wind becoming southwest around 5 mph in the afternoon.
Tonight
Rain, mainly after 11pm. Low around 45. Calm wind becoming northeast around 5 mph after midnight. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Sunday
Rain. High near 52. Northeast wind 5 to 10 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Sunday Night
A 30 percent chance of rain before 1am. Mostly cloudy, with a low around 43. Northeast wind 5 to 10 mph.
Washington's Birthday
Mostly sunny, with a high near 63. Northeast wind around 5 mph becoming calm in the afternoon.
Monday Night
Partly cloudy, with a low around 43. Calm wind.
Tuesday
Partly sunny, with a high near 68. Light south wind becoming southwest 5 to 10 mph in the morning.
Tuesday Night
Mostly cloudy, with a low around 52.
Wednesday
Mostly cloudy, with a high near 70. Breezy.
Wednesday Night
Mostly cloudy, with a low around 54.
Thursday
Mostly cloudy, with a high near 71.
Thursday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 55.
Friday
A 20 percent chance of showers. Partly sunny, with a high near 68.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Knoxville, McGhee Tyson Airport TN
 35.83°N 83.98°W (Elev. 961 ft)
Last Update:
6:06 am EST Feb 14, 2026
Forecast Valid:
9am EST Feb 14, 2026-6pm EST Feb 20, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation