McGhee Tyson Airport (TYS) Weather 11/20/2025
Tonight
56
Showers
Wednesday
71
Slight Chance Showers and Patchy Fog then Partly Sunny
Wednesday Night
53
Mostly Cloudy
Thursday
71
Patchy Fog then Partly Sunny
Thursday Night
57
Chance Showers
Friday
72
Chance Showers
Friday Night
60
Showers
Saturday
71
Showers Likely
Saturday Night
51
Slight Chance Showers
Sunday
65
Mostly Sunny
Sunday Night
45
Partly Cloudy then Slight Chance Showers
Monday
65
Partly Sunny
Monday Night
49
Mostly Cloudy then Slight Chance Showers
Weekly Forecast
Tonight
Showers and thunderstorms before 3am, then showers likely and possibly a thunderstorm between 3am and 4am, then a chance of showers after 4am. Low around 56. Southwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
A 10 percent chance of showers before 7am. Patchy fog between 8am and 11am. Otherwise, mostly cloudy, with a high near 71. Southwest wind around 5 mph.
Wednesday Night
Mostly cloudy, with a low around 53. West wind around 5 mph becoming calm.
Thursday
Patchy fog before 8am. Otherwise, mostly cloudy, with a high near 71. Calm wind becoming west around 5 mph.
Thursday Night
A chance of showers and thunderstorms. Cloudy, with a low around 57. Calm wind becoming south around 5 mph. Chance of precipitation is 40%.
Friday
A 40 percent chance of showers. Mostly cloudy, with a high near 72. Southwest wind 5 to 10 mph.
Friday Night
Showers, with thunderstorms also possible after 1am. Low around 60. Southwest wind around 5 mph. Chance of precipitation is 80%.
Saturday
Showers likely and possibly a thunderstorm before 1pm, then a chance of showers. Partly sunny, with a high near 71. Chance of precipitation is 60%.
Saturday Night
A 20 percent chance of showers before 1am. Partly cloudy, with a low around 51.
Sunday
Mostly sunny, with a high near 65.
Sunday Night
A 20 percent chance of showers. Partly cloudy, with a low around 45.
Monday
Partly sunny, with a high near 65.
Monday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 49.