I-640 TN weather conditions near Knoxville, Tennessee
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Seasoned Weather Conditions
Current Weather Conditions
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7 day weather forecast
Current condition: Mostly Cloudy 77°F 2025-09-24T14:35:00-04:00 
This Afternoon 2025-09-24, Chance T-storms. A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 81. Southwest wind around 10 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight 2025-09-24, Showers and Patchy Fog. Showers and thunderstorms likely, then showers and possibly a thunderstorm after 3am. Patchy fog before 1am, then patchy fog after 3am. Low around 68. Southwest wind around 5 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Thursday 2025-09-25, Showers and Patchy Fog. Showers and possibly a thunderstorm before 9am, then a chance of showers and thunderstorms between 9am and 3pm, then showers likely and possibly a thunderstorm after 3pm. Patchy fog between 7am and 11am. High near 78. Southwest wind 5 to 10 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night 2025-09-25, Showers Likely and Patchy Fog. Showers and thunderstorms likely before 11pm, then a chance of showers between 11pm and 2am. Patchy fog after 5am. Otherwise, mostly cloudy, with a low around 64. West wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%.Friday 2025-09-26, Mostly Cloudy then Chance T-storms. A 30 percent chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 77. Calm wind becoming north around 5 mph in the afternoon.
Friday Night 2025-09-26, Chance T-storms then Chance Showers. A chance of showers and thunderstorms. Mostly cloudy, with a low around 61. North wind around 5 mph. Chance of precipitation is 30%.
Saturday 2025-09-27, Chance Showers then Chance T-storms. A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 77. Calm wind becoming north around 5 mph in the afternoon. Chance of precipitation is 50%.
Saturday Night 2025-09-27, Chance T-storms then Slight Chance Showers. A chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 2am. Partly cloudy, with a low around 60. Chance of precipitation is 30%.
Sunday 2025-09-28, Mostly Sunny then Slight Chance T-storms. A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 80.
Sunday Night 2025-09-28, Slight Chance T-storms then Mostly Clear. A 10 percent chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 60.
Monday Night 2025-09-29, Slight Chance T-storms then Partly Cloudy. A 10 percent chance of showers and thunderstorms. Partly cloudy, with a low around 60.