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

59°F

15°C

Humidity 75%
Wind Speed Calm
Barometer 30.03 in (1016.1 mb)
Dewpoint 51°F (11°C)
Visibility 10.00 mi
Last update 28 Sep 11:53 pm EDT
Extended Forecast for

Seymour TNSimilar City Names

  • Overnight

    Overnight: Mostly clear, with a low around 52. Calm wind.

    Low: 52 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 83. Calm wind.

    High: 83 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 56. Calm wind.

    Low: 56 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 86. Calm wind.

    High: 86 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 60. Southeast wind around 5 mph becoming calm.

    Low: 60 °F

    Mostly Clear

  • Thursday

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

    High: 88 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 63. Calm wind becoming south around 5 mph.

    Low: 63 °F

    Partly Cloudy

  • Friday

    Friday: A 30 percent chance of showers after 2pm. Mostly sunny, with a high near 88.

    High: 88 °F

    Mostly Sunny
    then Chance
    Showers

  • Friday Night

    Friday Night: A 30 percent chance of showers, mainly before 2am. Mostly cloudy, with a low around 66.

    Low: 66 °F

    Chance
    Showers

Detailed Forecast

Overnight
Mostly clear, with a low around 52. Calm wind.
Tuesday
Sunny, with a high near 83. Calm wind.
Tuesday Night
Mostly clear, with a low around 56. Calm wind.
Wednesday
Sunny, with a high near 86. Calm wind.
Wednesday Night
Mostly clear, with a low around 60. Southeast wind around 5 mph becoming calm.
Thursday
Sunny, with a high near 88. Calm wind becoming southwest around 5 mph.
Thursday Night
Partly cloudy, with a low around 63. Calm wind becoming south around 5 mph.
Friday
A 30 percent chance of showers after 2pm. Mostly sunny, with a high near 88.
Friday Night
A 30 percent chance of showers, mainly before 2am. Mostly cloudy, with a low around 66.
Saturday
A 50 percent chance of showers, mainly after 8am. Mostly cloudy, with a high near 83.
Saturday Night
Showers likely. Mostly cloudy, with a low around 67. Chance of precipitation is 60%.
Sunday
Showers likely. Mostly cloudy, with a high near 79. Chance of precipitation is 70%.
Sunday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 60.
Monday
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 74.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Seymour TNSimilar City Names
 35.88°N 83.78°W (Elev. 1073 ft)
Last Update:
7:06 pm EDT Sep 28, 2026
Forecast Valid:
12am EDT Sep 29, 2026-6pm EDT Oct 5, 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