Hazardous Weather Conditions
Current conditions at
Knoxville, McGhee Tyson Airport (KTYS)
Lat: 35.82°NLon: 83.99°WElev: 981ft.
Mostly Cloudy
78°F
26°C
| Humidity | 74% |
| Wind Speed | SW 7 mph |
| Barometer | 29.97 in (1013.4 mb) |
| Dewpoint | 69°F (21°C) |
| Visibility | 10.00 mi |
| Heat Index | 80°F (27°C) |
| Last update | 12 Sep 12:53 am EDT |
Extended Forecast for
Knoxville, McGhee Tyson Airport TN
Overnight

Low: 71 °F
Slight Chance
ShowersSaturday

High: 85 °F
Showers
LikelySaturday Night
Low: 70 °F
Chance
T-storms then
Chance
ShowersSunday

High: 89 °F
Slight Chance
ShowersSunday Night

Low: 69 °F
Mostly Clear
Monday

High: 90 °F
Hot
Monday Night

Low: 66 °F
Mostly Clear
Tuesday

High: 92 °F
Hot
Tuesday Night

Low: 67 °F
Mostly Clear
Detailed Forecast
Overnight
A 10 percent chance of showers after 5am. Mostly cloudy, with a low around 71. Southwest wind around 5 mph.
Saturday
Showers and thunderstorms likely, mainly before 1pm, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 85. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday Night
A chance of showers and thunderstorms before 11pm, then a chance of showers between 11pm and 3am. Mostly cloudy, with a low around 70. Southwest wind around 5 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday
A 20 percent chance of showers before 2pm. Mostly sunny, with a high near 89. Southwest wind around 5 mph becoming calm in the morning.
Sunday Night
Mostly clear, with a low around 69. East wind around 5 mph becoming calm in the evening.
Monday
Sunny and hot, with a high near 90. Northeast wind 5 to 10 mph.
Monday Night
Mostly clear, with a low around 66. Northeast wind around 5 mph.
Tuesday
Sunny and hot, with a high near 92.
Tuesday Night
Mostly clear, with a low around 67.
Wednesday
Sunny and hot, with a high near 92.
Wednesday Night
Mostly clear, with a low around 68.
Thursday
A 20 percent chance of showers and thunderstorms. Sunny and hot, with a high near 91.
Thursday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 70.
Friday
A 30 percent chance of showers and thunderstorms. Mostly sunny and hot, with a high near 90.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Knoxville, McGhee Tyson Airport TN
35.83°N 83.98°W (Elev. 961 ft)
35.83°N 83.98°W (Elev. 961 ft)
1:06 am EDT Sep 12, 2026
1am EDT Sep 12, 2026-6pm EDT Sep 18, 2026



