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Grainger County, TN Hourly Weather Forecast

Next 48 Hours

Sun, Sep 13th 2026

Scattered showers in the morning, with Cloudy skies expected by night. Temps range from 75° to 85°. Calm winds from the WNW at 2.6 mph, with humidity ranging 43% to 73%, and an avg barometric pressure of 30 inHg.
Sun, Sep 13th Temp Humidity Wind (mph) Pressure (inHg) Precip.
12 PM Scattered Showers at 12 PM on Sun, Sep 13th 2026
Scattered Showers
UV: 6.5
78°F

Feels
81°F
66% 3.8 WNW 30.05 21%
1 PM Scattered Showers at 1 PM on Sun, Sep 13th 2026
Scattered Showers
UV: 7.8
81°F

Feels
82°F
59% 3.8 NW 30.03 17%
2 PM Cloudy at 2 PM on Sun, Sep 13th 2026
Cloudy
UV: 7.9
84°F

Feels
85°F
51% 2.5 WNW 30 7%
3 PM Sunny at 3 PM on Sun, Sep 13th 2026
Sunny
UV: 6.7
85°F

Feels
85°F
45% 3.1 WNW 29.98 1%
4 PM Partly Cloudy at 4 PM on Sun, Sep 13th 2026
Partly Cloudy
UV: 4.7
85°F

Feels
85°F
43% 4 WNW 29.97 3%
5 PM Overcast at 5 PM on Sun, Sep 13th 2026
Overcast
UV: 2.6
85°F

Feels
85°F
44% 4.9 NW 29.96 10%
6 PM Cloudy at 6 PM on Sun, Sep 13th 2026
Cloudy
UV: 1
83°F

Feels
85°F
56% 3.6 NW 29.97 10%
7 PM Sunny at 7 PM on Sun, Sep 13th 2026
Sunny
UV: 0.2
84°F

Feels
88°F
62% 1.8 NW 29.98 5%
8 PM Cloudy at 8 PM on Sun, Sep 13th 2026
Cloudy
UV: 0
79°F

Feels
82°F
66% 1.1 NW 29.99 12%
9 PM Overcast at 9 PM on Sun, Sep 13th 2026
Overcast
UV: 0
77°F

Feels
82°F
68% 0.4 NW 30.01 17%
10 PM Cloudy at 10 PM on Sun, Sep 13th 2026
Cloudy
UV: 0
76°F

Feels
81°F
70% 0.7 WNW 30.03 15%
11 PM Clear at 11 PM on Sun, Sep 13th 2026
Clear
UV: 0
75°F

Feels
79°F
73% 1.3 WNW 30.04 7%

Mon, Sep 14th 2026

Sunny skies early, becoming Clear conditions later. Warming trend from 68°F to 83°. Light winds, shifting from NW to ENE at 3.8 mph, as humidity fluctuates between 53% to 90%, and an avg barometric pressure of 30.09 inHg.
Mon, Sep 14th Temp Humidity Wind (mph) Pressure (inHg) Precip.
12 AM Clear at 12 AM on Mon, Sep 14th 2026
Clear
UV: 0
73°F

Feels
78°F
75% 1.3 NW 30.04 8%
1 AM Clear at 1 AM on Mon, Sep 14th 2026
Clear
UV: 0
73°F

Feels
77°F
77% 1.1 WNW 30.04 8%
2 AM Clear at 2 AM on Mon, Sep 14th 2026
Clear
UV: 0
72°F

Feels
76°F
79% 1.1 NNW 30.04 9%
3 AM Clear at 3 AM on Mon, Sep 14th 2026
Clear
UV: 0
71°F

Feels
76°F
82% 0.9 NNW 30.04 10%
4 AM Clear at 4 AM on Mon, Sep 14th 2026
Clear
UV: 0
70°F

Feels
74°F
84% 2 N 30.05 11%
5 AM Clear at 5 AM on Mon, Sep 14th 2026
Clear
UV: 0
69°F

Feels
73°F
86% 2.2 N 30.06 12%
6 AM Clear at 6 AM on Mon, Sep 14th 2026
Clear
UV: 0
69°F

Feels
73°F
89% 2.5 NNE 30.08 13%
7 AM Clear at 7 AM on Mon, Sep 14th 2026
Clear
UV: 0
68°F

Feels
72°F
90% 2.7 NE 30.1 14%
8 AM Sunny at 8 AM on Mon, Sep 14th 2026
Sunny
UV: 0.2
70°F

Feels
74°F
88% 3.8 NE 30.12 12%
9 AM Sunny at 9 AM on Mon, Sep 14th 2026
Sunny
UV: 0.8
69°F

Feels
71°F
79% 3.8 ENE 30.13 9%
10 AM Sunny at 10 AM on Mon, Sep 14th 2026
Sunny
UV: 2.3
73°F

Feels
75°F
73% 4.5 NE 30.14 6%
11 AM Sunny at 11 AM on Mon, Sep 14th 2026
Sunny
UV: 4.4
76°F

Feels
79°F
68% 4.5 NE 30.14 5%
12 PM Partly Cloudy at 12 PM on Mon, Sep 14th 2026
Partly Cloudy
UV: 6.4
79°F

Feels
82°F
64% 3.6 ENE 30.13 7%
1 PM Scattered Showers at 1 PM on Mon, Sep 14th 2026
Scattered Showers
UV: 7.5
81°F

Feels
84°F
60% 3.1 NE 30.11 17%
2 PM Scattered Showers at 2 PM on Mon, Sep 14th 2026
Scattered Showers
UV: 7.1
82°F

Feels
84°F
57% 3.6 NE 30.1 11%
3 PM Cloudy at 3 PM on Mon, Sep 14th 2026
Cloudy
UV: 6
83°F

Feels
84°F
54% 4.3 NE 30.08 10%
4 PM Overcast at 4 PM on Mon, Sep 14th 2026
Overcast
UV: 4.1
82°F

Feels
84°F
53% 4 NE 30.07 12%
5 PM Cloudy at 5 PM on Mon, Sep 14th 2026
Cloudy
UV: 2.3
82°F

Feels
83°F
57% 3.4 ENE 30.06 9%
6 PM Partly Cloudy at 6 PM on Mon, Sep 14th 2026
Partly Cloudy
UV: 0.8
81°F

Feels
83°F
59% 4.7 ENE 30.06 8%
7 PM Partly Cloudy at 7 PM on Mon, Sep 14th 2026
Partly Cloudy
UV: 0.2
81°F

Feels
84°F
67% 5.8 NE 30.08 10%
8 PM Clear at 8 PM on Mon, Sep 14th 2026
Clear
UV: 0
79°F

Feels
81°F
65% 6.7 NNE 30.1 4%
9 PM Clear at 9 PM on Mon, Sep 14th 2026
Clear
UV: 0
75°F

Feels
76°F
72% 6.9 NE 30.12 6%
10 PM Clear at 10 PM on Mon, Sep 14th 2026
Clear
UV: 0
73°F

Feels
74°F
74% 6.9 NE 30.14 7%
11 PM Clear at 11 PM on Mon, Sep 14th 2026
Clear
UV: 0
71°F

Feels
72°F
73% 6.9 ENE 30.14 7%

Tue, Sep 15th 2026

A full day of Clear conditions is expected. Temps range from 66° to 76°. Light winds, shifting from ENE to E at 5.7 mph, as humidity fluctuates between 63% to 83%, and an avg barometric pressure of 30.18 inHg.
Tue, Sep 15th Temp Humidity Wind (mph) Pressure (inHg) Precip.
12 AM Clear at 12 AM on Tue, Sep 15th 2026
Clear
UV: 0
70°F

Feels
69°F
69% 7.4 ENE 30.14 5%
1 AM Clear at 1 AM on Tue, Sep 15th 2026
Clear
UV: 0
68°F

Feels
66°F
66% 7.2 ENE 30.13 5%
2 AM Clear at 2 AM on Tue, Sep 15th 2026
Clear
UV: 0
67°F

Feels
65°F
67% 6.7 ENE 30.13 5%
3 AM Clear at 3 AM on Tue, Sep 15th 2026
Clear
UV: 0
67°F

Feels
65°F
68% 6 NE 30.13 5%
4 AM Cloudy at 4 AM on Tue, Sep 15th 2026
Cloudy
UV: 0
67°F

Feels
66°F
71% 5.8 ENE 30.14 15%
5 AM Cloudy at 5 AM on Tue, Sep 15th 2026
Cloudy
UV: 0
67°F

Feels
66°F
76% 5.4 NE 30.16 15%
6 AM Clear at 6 AM on Tue, Sep 15th 2026
Clear
UV: 0
66°F

Feels
66°F
80% 5.6 ENE 30.18 9%
7 AM Clear at 7 AM on Tue, Sep 15th 2026
Clear
UV: 0
66°F

Feels
67°F
83% 5.1 ENE 30.2 11%
8 AM Partly Cloudy at 8 AM on Tue, Sep 15th 2026
Partly Cloudy
UV: 0.2
67°F

Feels
69°F
82% 4.7 ENE 30.22 16%
9 AM Sunny at 9 AM on Tue, Sep 15th 2026
Sunny
UV: 0.8
67°F

Feels
67°F
75% 4.9 ENE 30.23 7%
10 AM Sunny at 10 AM on Tue, Sep 15th 2026
Sunny
UV: 2.3
72°F

Feels
73°F
69% 4.7 E 30.24 5%
11 AM Partly Cloudy at 11 AM on Tue, Sep 15th 2026
Partly Cloudy
UV: 4.4
76°F

Feels
78°F
63% 4.5 E 30.24 7%

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