National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Knoxville, McGhee Tyson Airport (KTYS)

Lat: 35.82°NLon: 83.99°WElev: 981ft.

Overcast

63°F

17°C

Humidity 93%
Wind Speed W 5 mph
Barometer 29.98 in (1014.4 mb)
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 18 Apr 11:53 pm EDT
Extended Forecast for

Maryville TN

  • Overnight

    Overnight: Showers and possibly a thunderstorm before 4am, then a chance of showers. Low around 46. North wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 46 °F

    Showers

  • Sunday

    Sunday: Cloudy through mid morning, then gradual clearing, with a high near 64. North wind around 10 mph, with gusts as high as 20 mph.

    High: 64 °F

    Becoming
    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 43. Northwest wind around 5 mph becoming calm in the evening.

    Low: 43 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 67. Light and variable wind becoming west 5 to 10 mph in the morning.

    High: 67 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 42. North wind around 5 mph becoming calm in the evening.

    Low: 42 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 75. Calm wind becoming west around 5 mph in the afternoon.

    High: 75 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 51. South wind around 5 mph.

    Low: 51 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 79.

    High: 79 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 54.

    Low: 54 °F

    Mostly Clear

Detailed Forecast

Overnight
Showers and possibly a thunderstorm before 4am, then a chance of showers. Low around 46. North wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Sunday
Cloudy through mid morning, then gradual clearing, with a high near 64. North wind around 10 mph, with gusts as high as 20 mph.
Sunday Night
Mostly clear, with a low around 43. Northwest wind around 5 mph becoming calm in the evening.
Monday
Sunny, with a high near 67. Light and variable wind becoming west 5 to 10 mph in the morning.
Monday Night
Mostly clear, with a low around 42. North wind around 5 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 75. Calm wind becoming west around 5 mph in the afternoon.
Tuesday Night
Partly cloudy, with a low around 51. South wind around 5 mph.
Wednesday
Sunny, with a high near 79.
Wednesday Night
Mostly clear, with a low around 54.
Thursday
Sunny, with a high near 83.
Thursday Night
Mostly clear, with a low around 57.
Friday
Mostly sunny, with a high near 83.
Friday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 59.
Saturday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 78. Chance of precipitation is 60%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Maryville TN
 35.74°N 83.99°W (Elev. 1001 ft)
Last Update:
7:06 pm EDT Apr 18, 2026
Forecast Valid:
12am EDT Apr 19, 2026-6pm EDT Apr 25, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation