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

80°F

27°C

Humidity 33%
Wind Speed SW 7 mph
Barometer 30.14 in (1019.9 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 16 May 1:53 pm EDT
Extended Forecast for

5 Miles SSW Maryville TN

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 86. Southwest wind around 10 mph.

    High: 86 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 63. Southwest wind around 5 mph becoming calm after midnight.

    Low: 63 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny and hot, with a high near 90. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 90 °F

    Hot

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 67. South wind around 5 mph.

    Low: 67 °F

    Mostly Clear

  • Monday

    Monday: Sunny and hot, with a high near 90. Light south wind increasing to 5 to 10 mph in the afternoon.

    High: 90 °F

    Hot

  • Monday Night

    Monday Night: Partly cloudy, with a low around 68. South wind around 5 mph.

    Low: 68 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny and hot, with a high near 90. Southwest wind 5 to 10 mph.

    High: 90 °F

    Hot

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers after 2am. Mostly cloudy, with a low around 68.

    Low: 68 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. Mostly sunny, with a high near 87. Chance of precipitation is 70%.

    High: 87 °F

    Chance
    Showers then
    Showers
    Likely

Detailed Forecast

This Afternoon
Partly sunny, with a high near 86. Southwest wind around 10 mph.
Tonight
Mostly cloudy, with a low around 63. Southwest wind around 5 mph becoming calm after midnight.
Sunday
Mostly sunny and hot, with a high near 90. Calm wind becoming southwest around 5 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 67. South wind around 5 mph.
Monday
Sunny and hot, with a high near 90. Light south wind increasing to 5 to 10 mph in the afternoon.
Monday Night
Partly cloudy, with a low around 68. South wind around 5 mph.
Tuesday
Mostly sunny and hot, with a high near 90. Southwest wind 5 to 10 mph.
Tuesday Night
A 20 percent chance of showers after 2am. Mostly cloudy, with a low around 68.
Wednesday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. Mostly sunny, with a high near 87. Chance of precipitation is 70%.
Wednesday Night
Showers likely and possibly a thunderstorm before 2am, then a chance of showers. Mostly cloudy, with a low around 66. Chance of precipitation is 70%.
Thursday
Showers and possibly a thunderstorm. High near 82. Chance of precipitation is 80%.
Thursday Night
Showers and possibly a thunderstorm. Low around 64. Chance of precipitation is 80%.
Friday
Showers and possibly a thunderstorm. High near 80. Chance of precipitation is 80%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SSW Maryville TN
 35.67°N 84°W (Elev. 997 ft)
Last Update:
2:27 pm EDT May 16, 2026
Forecast Valid:
2pm EDT May 16, 2026-6pm EDT May 22, 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