Lewis Lake, TN 14 Day Weather
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Lewis Lake, TN Weather Forecast


Lewis Lake, TN Weather Forecast Dated: 1229 AM Wed Sep 02 2026 (Lewis Lake Time)
Expect a hot stretch with a mix of sun and clouds and occasional showers over the next two weeks. moderate humidity and no major pressure swings will dominate. Isolated storms at times.
Wednesday, September 2, 2026
Mid-Morning
87°F 30°C
Sunny
Mid-Afternoon
101°F 38°C
Cloudy
Early-Evening
96°F 35°C
Partly Cloudy
Scorching hot near 101°F 38°C, sunny in the morning, cloudy in the afternoon, and partly cloudy this evening, with lower humidity and barometric pressure falling.
Thursday, September 3, 2026
Mid-Morning
88°F 31°C
Sunny
Mid-Afternoon
96°F 36°C
Cloudy
Early-Evening
89°F 32°C
Partly Cloudy
Hot and sweltering around 96°F 36°C (heat index 100°F 38°C), sunny in the morning, overcast in the afternoon, and partly cloudy this evening, with steady humidity and steady pressure.
Friday, September 4, 2026
Mid-Morning
87°F 31°C
Sunny
Mid-Afternoon
100°F 38°C
Scattered Showers
Early-Evening
90°F 32°C
Scattered Showers
Dangerously hot with a high of 100°F 38°C (heat index near 103°F 40°C), locally heavy downpours at times, with steady humidity and barometric pressure falling. Winds turning from the SSW to the SSE at 8 mph 13 km/h.
Saturday, September 5, 2026
Mid-Morning
83°F 29°C
Scattered Showers
Mid-Afternoon
104°F 40°C
Partly Cloudy
Early-Evening
91°F 33°C
Sunny
Dangerously hot with a high of 104°F 40°C, periods of heavy rain and gusty conditions, with lower humidity and steady pressure. Winds building from N at 0 mph 1 km/h to NNE at 8 mph 13 km/h.
Sunday, September 6, 2026
Mid-Morning
77°F 25°C
Sunny
Mid-Afternoon
97°F 36°C
Sunny
Early-Evening
90°F 33°C
Sunny
Very hot with a high of 97°F 36°C, sunny throughout the day, with lower humidity and steady pressure. Winds NNE at 8 mph 13 km/h. Gusts up to 20 mph 31 km/h.
Monday, September 7, 2026
Mid-Morning
85°F 30°C
Sunny
Mid-Afternoon
101°F 39°C
Sunny
Early-Evening
94°F 35°C
Cloudy
Sweltering heat reaching 101°F 39°C, sunny in the morning, cloudy in the afternoon, and overcast this evening, with lower humidity and steady pressure. Winds out of the SE at 5 mph 8 km/h.
Tuesday, September 8, 2026
Mid-Morning
81°F 27°C
Overcast
Mid-Afternoon
93°F 34°C
Overcast
Early-Evening
87°F 31°C
Overcast
Sizzling hot near 93°F 34°C with a heat index reaching 98°F 36°C, overcast throughout the day, with steady humidity and steady pressure. Winds shifting from the S to the SSE at 10 mph 16 km/h. Gusts up to 20 mph 32 km/h.
Wednesday, September 9, 2026
Mid-Morning
84°F 29°C
Scattered Showers
Mid-Afternoon
100°F 38°C
Overcast
Early-Evening
93°F 34°C
Scattered Showers
Sweltering temperatures near 100°F 38°C with a heat index of 104°F 40°C, scattered downpours possible, with lower humidity and steady pressure. Winds SW at 8 mph 12 km/h. Gusts up to 21 mph 33 km/h.
Thursday, September 10, 2026
Mid-Morning
87°F 31°C
Sunny
Mid-Afternoon
95°F 35°C
Overcast
Early-Evening
89°F 32°C
Light Showers
Very hot with a high of 95°F 35°C, feeling closer to 100°F 38°C in the humidity, dry most of the day, with showers developing late, with steady humidity and steady pressure. Winds switching from the SSW to the S at 11 mph 16 km/h. Gusts up to 22 mph 34 km/h.
Friday, September 11, 2026
Mid-Morning
87°F 30°C
Sunny
Mid-Afternoon
101°F 38°C
Sunny
Early-Evening
93°F 34°C
Partly Cloudy
Sweltering heat reaching 101°F 38°C, sunny in the morning, becoming partly cloudy through the afternoon and evening, with lower humidity and steady pressure. Winds moving from the SW to the SSW at 12 mph 20 km/h. Gusts up to 24 mph 38 km/h.
Saturday, September 12, 2026
Mid-Morning
74°F 24°C
Light Showers
Mid-Afternoon
93°F 34°C
Scattered Showers
Early-Evening
85°F 30°C
Partly Cloudy
Hot and sweltering around 93°F 34°C (heat index 98°F 37°C), scattered downpours possible, with lower humidity and steady pressure. Winds WSW at 11 mph 18 km/h.
Sunday, September 13, 2026
Mid-Morning
73°F 23°C
Light Showers
Mid-Afternoon
82°F 28°C
Light Showers
Early-Evening
76°F 25°C
Light Showers
Very warm near 82°F 28°C, though humidity makes it feel like 87°F 30°C, on-and-off showers throughout the day, with steady humidity and steady pressure. A stray shower or storm late in the day.
Monday, September 14, 2026
Mid-Morning
70°F 21°C
Heavy Rain Showers
Mid-Afternoon
68°F 20°C
Light Showers
Early-Evening
65°F 19°C
Light Showers
Enjoyable around 68°F 20°C, rounds of showers expected off and on all day, with steady humidity and steady pressure. Winds shifting from the SW to the NNE at 10 mph 16 km/h. Gusts up to 21 mph 33 km/h.
Tuesday, September 15, 2026
Mid-Morning
64°F 18°C
Sunny
Mid-Afternoon
74°F 24°C
Sunny
Early-Evening
67°F 20°C
Sunny
Mild temperatures up to 74°F 24°C, sunny throughout the day, with steady humidity and steady pressure. Winds blowing from the NNE at 11 mph 18 km/h.
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