Grainger County, TN 14 Day Weather - WeatherWorld.com
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Grainger County, TN Weather Forecast


Grainger County, TN Weather Forecast Dated: 528 PM Thu Sep 17 2026
Expect a mild stretch with plenty of sunshine and frequent chances of rain over the coming period. moderate humidity and no major pressure swings will dominate.
Thursday, September 17, 2026
Mid-Morning
69°F 21°C
Partly Cloudy
Mid-Afternoon
88°F 31°C
Sunny
Early-Evening
84°F 29°C
Sunny
Warm and summery around 88°F 31°C (feels like 91°F 33°C), cloudy in the morning, becoming sunny through the afternoon and evening, with lower humidity and barometric pressure falling.
Friday, September 18, 2026
Mid-Morning
73°F 23°C
Sunny
Mid-Afternoon
90°F 32°C
Cloudy
Early-Evening
81°F 28°C
Overcast
Hot and sweltering around 90°F 32°C, sunny in the morning, becoming cloudy through the afternoon and evening, with steady humidity and barometric pressure falling.
Saturday, September 19, 2026
Mid-Morning
69°F 20°C
Sunny
Mid-Afternoon
86°F 30°C
Sunny
Early-Evening
82°F 28°C
Sunny
Very warm near 86°F 30°C, though humidity makes it feel like 89°F 32°C, sunny throughout the day, with lower humidity and steady pressure.
Sunday, September 20, 2026
Mid-Morning
67°F 20°C
Partly Cloudy
Mid-Afternoon
83°F 28°C
Sunny
Early-Evening
81°F 27°C
Sunny
Warm temperatures up to 83°F 28°C, partly cloudy in the morning, sunny in the afternoon, and cloudy this evening, with lower humidity and barometric pressure falling.
Monday, September 21, 2026
Mid-Morning
69°F 20°C
Light Showers
Mid-Afternoon
76°F 25°C
Overcast
Early-Evening
75°F 24°C
Overcast
Mild with a high of 76°F 25°C, scattered morning showers before drying out later, with steady humidity and steady pressure.
Tuesday, September 22, 2026
Mid-Morning
71°F 22°C
Sunny
Mid-Afternoon
82°F 28°C
Light Showers
Early-Evening
77°F 25°C
Light Showers
Warm and summery near 82°F 28°C, dry early, with showers continuing through afternoon and evening, with lower humidity and steady pressure.
Wednesday, September 23, 2026
Mid-Morning
70°F 21°C
Partly Cloudy
Mid-Afternoon
83°F 28°C
Scattered Showers
Early-Evening
78°F 26°C
Scattered Showers
Balmy with temperatures reaching 83°F 28°C, periods of heavy rain and gusty conditions, with lower humidity and steady pressure.
Thursday, September 24, 2026
Mid-Morning
71°F 22°C
Sunny
Mid-Afternoon
76°F 24°C
Overcast
Early-Evening
64°F 18°C
Cloudy
Enjoyable around 76°F 24°C, cloudy in the morning, becoming overcast through the afternoon and evening, with lower humidity and steady pressure. Winds turning from the SW to the WSW at 6 mph 10 km/h.
Friday, September 25, 2026
Mid-Morning
56°F 13°C
Sunny
Mid-Afternoon
65°F 19°C
Sunny
Early-Evening
60°F 16°C
Sunny
Refreshing around 65°F 19°C, partly cloudy in the morning, becoming sunny through the afternoon and evening, with lower humidity and steady pressure. Winds switching from the NW to the SW at 6 mph 10 km/h.
Saturday, September 26, 2026
Mid-Morning
51°F 11°C
Sunny
Mid-Afternoon
66°F 19°C
Sunny
Early-Evening
60°F 16°C
Sunny
Mildly cool near 66°F 19°C, sunny throughout the day, with lower humidity and steady pressure.
Sunday, September 27, 2026
Mid-Morning
52°F 11°C
Sunny
Mid-Afternoon
69°F 21°C
Sunny
Early-Evening
65°F 18°C
Sunny
Pleasant near 69°F 21°C, sunny throughout the day, with lower humidity and barometric pressure falling.
Monday, September 28, 2026
Mid-Morning
53°F 12°C
Sunny
Mid-Afternoon
71°F 22°C
Sunny
Early-Evening
67°F 19°C
Sunny
Comfortable with temperatures reaching 71°F 22°C, sunny throughout the day, with lower humidity and barometric pressure falling.
Tuesday, September 29, 2026
Mid-Morning
56°F 13°C
Sunny
Mid-Afternoon
75°F 24°C
Sunny
Early-Evening
71°F 22°C
Sunny
Enjoyable around 75°F 24°C, sunny throughout the day, with lower humidity and steady pressure.
Wednesday, September 30, 2026
Mid-Morning
62°F 17°C
Sunny
Mid-Afternoon
78°F 26°C
Cloudy
Early-Evening
72°F 22°C
Overcast
Mild temperatures up to 78°F 26°C, sunny in the morning, cloudy in the afternoon, and overcast this evening, with lower humidity and steady pressure.
Grainger County, TN Weather Radar Map
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