McGhee Tyson Airport (TYS) Weather 09/18/2025
Tonight
68
Chance T-storms then Showers Likely
Saturday
77
Chance T-storms then Showers Likely
Saturday Night
59
Chance Showers
Sunday
77
Becoming Sunny
Sunday Night
53
Mostly Clear
Monday
80
Sunny
Monday Night
56
Mostly Clear
Tuesday
82
Sunny
Tuesday Night
57
Mostly Clear
Wednesday
81
Sunny
Wednesday Night
59
Mostly Clear
Thursday
84
Sunny
Thursday Night
59
Clear
Weekly Forecast
Tonight
Showers and thunderstorms likely before 5am, then a slight chance of showers. Mostly cloudy, with a low around 68. Southwest wind 5 to 10 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Saturday
A chance of showers and thunderstorms before 1pm, then showers likely and possibly a thunderstorm between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Mostly cloudy, with a high near 77. Southeast wind around 5 mph becoming northwest in the morning. 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 30 percent chance of showers, mainly before 8pm. Mostly cloudy, with a low around 59. North wind around 5 mph.
Sunday
Mostly cloudy through mid morning, then gradual clearing, with a high near 77. North wind 5 to 10 mph.
Sunday Night
Mostly clear, with a low around 53. Northeast wind 5 to 10 mph.
Monday
Sunny, with a high near 80. Northeast wind 5 to 10 mph.
Monday Night
Mostly clear, with a low around 56. Northeast wind around 5 mph.
Tuesday
Sunny, with a high near 82.
Tuesday Night
Mostly clear, with a low around 57.
Wednesday
Sunny, with a high near 81.
Wednesday Night
Mostly clear, with a low around 59.
Thursday
Sunny, with a high near 84.
Thursday Night
Clear, with a low around 59.