McGhee Tyson Airport (TYS) Weather 06/23/2026
Overnight
60
Mostly Cloudy
Tuesday
82
Partly Sunny
Tuesday Night
64
Decreasing Clouds
Wednesday
88
Sunny
Wednesday Night
73
Partly Cloudy
Thursday
87
Breezy. Chance Showers then T-storms
Thursday Night
69
Showers
Juneteenth
81
Showers
Friday Night
62
Chance Showers then Slight Chance T-storms
Saturday
84
Mostly Sunny
Saturday Night
63
Mostly Clear
Sunday
87
Mostly Sunny then Slight Chance T-storms
Sunday Night
69
Chance Showers
Weekly Forecast
Overnight
Mostly cloudy, with a low around 60. Calm wind.
Tuesday
Partly sunny, with a high near 82. Calm wind becoming west around 5 mph in the afternoon.
Tuesday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 64. Southwest wind around 5 mph.
Wednesday
Sunny, with a high near 88. Southwest wind 5 to 15 mph, with gusts as high as 20 mph.
Wednesday Night
Partly cloudy, with a low around 73. Southwest wind 10 to 15 mph, with gusts as high as 30 mph.
Thursday
A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers and possibly a thunderstorm after 2pm. High near 87. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 80%.
Thursday Night
Showers and possibly a thunderstorm. Low around 69. Southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%.
Juneteenth
Showers and possibly a thunderstorm before 2pm, then a chance of showers and thunderstorms after 2pm. High near 81. Chance of precipitation is 80%.
Friday Night
A 30 percent chance of showers and thunderstorms, mainly before 8pm. Mostly cloudy, with a low around 62.
Saturday
Mostly sunny, with a high near 84.
Saturday Night
Mostly clear, with a low around 63.
Sunday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 87.
Sunday Night
A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 69.