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Grainger County, TN Weather - 14-Day Weather Forecast

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Grainger County TN Weather - Clear - 89°F
Clear
89°F
Updated 5:28 pm
Feels Like 88°F
Humidity 49%
Wind N 0 mph
Barometer  30.22 in
Dew Point 68°F
Grainger County TN Weather - Clear - 32°C
Clear
32°C
Updated 5:28 pm
Feels Like 31°C
Humidity 49%
Wind N 0 km/h
Barometer  102.3 kPa
Dew Point 20°C
Grainger County, TN Weather and Current Conditionsgrainger county tn weather forecast

Grainger County, TN Weather Forecast

Grainger County Tennessee WeatherGrainger County, Tennessee Weather Weather Forecast
14 day API forecast for Grainger County, Tennessee. Note. The 7-day weather forecast for Grainger County, TN is the most reliable and accurate forecast. This model should only be used as a likely scenario. It is difficult to predict weather more than 7 days in advance.
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
Grainger County Weather - 2026-09-17 - Morning - Partly Cloudy
69°F 21°C
Partly Cloudy
Mid-Afternoon
Grainger County Weather - 2026-09-17 - Afternoon - Sunny
88°F 31°C
Sunny
Early-Evening
Grainger County Weather - 2026-09-17 - Evening - Sunny
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
Grainger County Weather - 2026-09-18 - Morning - Sunny
73°F 23°C
Sunny
Mid-Afternoon
Grainger County Weather - 2026-09-18 - Afternoon - Cloudy
90°F 32°C
Cloudy
Early-Evening
Grainger County Weather - 2026-09-18 - Evening - Overcast
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
Grainger County Weather - 2026-09-19 - Morning - Sunny
69°F 20°C
Sunny
Mid-Afternoon
Grainger County Weather - 2026-09-19 - Afternoon - Sunny
86°F 30°C
Sunny
Early-Evening
Grainger County Weather - 2026-09-19 - Evening - Sunny
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
Grainger County Weather - 2026-09-20 - Morning - Partly Cloudy
67°F 20°C
Partly Cloudy
Mid-Afternoon
Grainger County Weather - 2026-09-20 - Afternoon - Sunny
83°F 28°C
Sunny
Early-Evening
Grainger County Weather - 2026-09-20 - Evening - Sunny
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
Grainger County Weather - 2026-09-21 - Morning - Light Showers
69°F 20°C
Light Showers
Mid-Afternoon
Grainger County Weather - 2026-09-21 - Afternoon - Overcast
76°F 25°C
Overcast
Early-Evening
Grainger County Weather - 2026-09-21 - Evening - Overcast
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
Grainger County Weather - 2026-09-22 - Morning - Sunny
71°F 22°C
Sunny
Mid-Afternoon
Grainger County Weather - 2026-09-22 - Afternoon - Light Showers
82°F 28°C
Light Showers
Early-Evening
Grainger County Weather - 2026-09-22 - Evening - Light Showers
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
Grainger County Weather - 2026-09-23 - Morning - Partly Cloudy
70°F 21°C
Partly Cloudy
Mid-Afternoon
Grainger County Weather - 2026-09-23 - Afternoon - Scattered Showers
83°F 28°C
Scattered Showers
Early-Evening
Grainger County Weather - 2026-09-23 - Evening - Scattered Showers
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
Grainger County Weather - 2026-09-24 - Morning - Sunny
71°F 22°C
Sunny
Mid-Afternoon
Grainger County Weather - 2026-09-24 - Afternoon - Overcast
76°F 24°C
Overcast
Early-Evening
Grainger County Weather - 2026-09-24 - Evening - Cloudy
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
Grainger County Weather - 2026-09-25 - Morning - Sunny
56°F 13°C
Sunny
Mid-Afternoon
Grainger County Weather - 2026-09-25 - Afternoon - Sunny
65°F 19°C
Sunny
Early-Evening
Grainger County Weather - 2026-09-25 - Evening - Sunny
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
Grainger County Weather - 2026-09-26 - Morning - Sunny
51°F 11°C
Sunny
Mid-Afternoon
Grainger County Weather - 2026-09-26 - Afternoon - Sunny
66°F 19°C
Sunny
Early-Evening
Grainger County Weather - 2026-09-26 - Evening - Sunny
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
Grainger County Weather - 2026-09-27 - Morning - Sunny
52°F 11°C
Sunny
Mid-Afternoon
Grainger County Weather - 2026-09-27 - Afternoon - Sunny
69°F 21°C
Sunny
Early-Evening
Grainger County Weather - 2026-09-27 - Evening - Sunny
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
Grainger County Weather - 2026-09-28 - Morning - Sunny
53°F 12°C
Sunny
Mid-Afternoon
Grainger County Weather - 2026-09-28 - Afternoon - Sunny
71°F 22°C
Sunny
Early-Evening
Grainger County Weather - 2026-09-28 - Evening - Sunny
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
Grainger County Weather - 2026-09-29 - Morning - Sunny
56°F 13°C
Sunny
Mid-Afternoon
Grainger County Weather - 2026-09-29 - Afternoon - Sunny
75°F 24°C
Sunny
Early-Evening
Grainger County Weather - 2026-09-29 - Evening - Sunny
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
Grainger County Weather - 2026-09-30 - Morning - Sunny
62°F 17°C
Sunny
Mid-Afternoon
Grainger County Weather - 2026-09-30 - Afternoon - Cloudy
78°F 26°C
Cloudy
Early-Evening
Grainger County Weather - 2026-09-30 - Evening - Overcast
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.

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Weather by the Numbers

Thu, 17th
Grainger County TN Weather - Thursday, Sep 17, 2026 - Sunny
Hi: 88°F 31°C
Lo: 68°F 20°C
Sunrise 07:18 AM
Sunset 07:39 PM
Wind SSW 2 mph3 km/h
Dew Point 67°F19°C
uv Index 6
Barometric Pressure 30.3 in1026 mb
POP 4% *
Humidity 62%
Fri, 18th
Grainger County TN Weather - Friday, Sep 18, 2026 - Sunny
Hi: 90°F 32°C
Lo: 73°F 23°C
Sunrise 07:19 AM
Sunset 07:37 PM
Wind W 3 mph5 km/h
Dew Point 65°F18°C
uv Index 6
Barometric Pressure 30.15 in1021 mb
POP 2% *
Humidity 53%
Sat, 19th
Grainger County TN Weather - Saturday, Sep 19, 2026 - Sunny
Hi: 86°F 30°C
Lo: 69°F 20°C
Sunrise 07:20 AM
Sunset 07:36 PM
Wind ESE 3 mph4 km/h
Dew Point 67°F19°C
uv Index 7
Barometric Pressure 30.06 in1018 mb
POP 4% *
Humidity 63%
Sun, 20th
Grainger County TN Weather - Sunday, Sep 20, 2026 - Cloudy
Hi: 84°F 29°C
Lo: 67°F 20°C
Sunrise 07:21 AM
Sunset 07:34 PM
Wind WSW 3 mph5 km/h
Dew Point 65°F18°C
uv Index 6
Barometric Pressure 30.03 in1017 mb
POP 11% *
Humidity 67%
Mon, 21st
Grainger County TN Weather - Monday, Sep 21, 2026 - Patchy Rain Nearby
Hi: 83°F 29°C
Lo: 69°F 20°C
Sunrise 07:21 AM
Sunset 07:33 PM
Wind SW 2 mph4 km/h
Dew Point 69°F20°C
uv Index 6
Barometric Pressure 30 in1016 mb
POP 30% *
Humidity 69%
Tue, 22nd
Grainger County TN Weather - Tuesday, Sep 22, 2026 - Patchy Rain Nearby
Hi: 82°F 28°C
Lo: 69°F 20°C
Sunrise 07:22 AM
Sunset 07:31 PM
Wind S 3 mph4 km/h
Dew Point 65°F18°C
uv Index 6
Barometric Pressure 30.03 in1017 mb
POP 7% *
Humidity 67%
Wed, 23rd
Grainger County TN Weather - Wednesday, Sep 23, 2026 - Sunny
Hi: 83°F 28°C
Lo: 68°F 20°C
Sunrise 07:23 AM
Sunset 07:30 PM
Wind ESE 3 mph4 km/h
Dew Point 66°F19°C
uv Index 6
Barometric Pressure 30.06 in1018 mb
POP 7% *
Humidity 71%
Thu, 24th
Grainger County TN Weather - Thursday, Sep 24, 2026 - Overcast
Hi: 80°F 26°C
Lo: 59°F 15°C
Sunrise 07:24 AM
Sunset 07:28 PM
Wind W 9 mph14 km/h
Dew Point 65°F18°C
uv Index 5
Barometric Pressure 29.91 in1013 mb
POP 8% *
Humidity 69%
Fri, 25th
Grainger County TN Weather - Friday, Sep 25, 2026 - Sunny
Hi: 66°F 19°C
Lo: 53°F 12°C
Sunrise 07:25 AM
Sunset 07:27 PM
Wind NNW 7 mph11 km/h
Dew Point 39°F4°C
uv Index 5
Barometric Pressure 30.03 in1017 mb
POP 1% *
Humidity 43%
Sat, 26th
Grainger County TN Weather - Saturday, Sep 26, 2026 - Sunny
Hi: 68°F 20°C
Lo: 48°F 9°C
Sunrise 07:25 AM
Sunset 07:25 PM
Wind ENE 6 mph10 km/h
Dew Point 38°F3°C
uv Index 5
Barometric Pressure 30.21 in1023 mb
POP 1% *
Humidity 45%
Sun, 27th
Grainger County TN Weather - Sunday, Sep 27, 2026 - Sunny
Hi: 70°F 21°C
Lo: 48°F 9°C
Sunrise 07:26 AM
Sunset 07:24 PM
Wind ENE 6 mph10 km/h
Dew Point 40°F5°C
uv Index 5
Barometric Pressure 30.21 in1023 mb
POP 1% *
Humidity 44%
Mon, 28th
Grainger County TN Weather - Monday, Sep 28, 2026 - Sunny
Hi: 72°F 22°C
Lo: 49°F 9°C
Sunrise 07:27 AM
Sunset 07:22 PM
Wind ENE 6 mph10 km/h
Dew Point 42°F5°C
uv Index 5
Barometric Pressure 30.09 in1019 mb
POP 1% *
Humidity 44%
Tue, 29th
Grainger County TN Weather - Tuesday, Sep 29, 2026 - Sunny
Hi: 77°F 25°C
Lo: 52°F 11°C
Sunrise 07:28 AM
Sunset 07:21 PM
Wind ENE 6 mph9 km/h
Dew Point 48°F9°C
uv Index 5
Barometric Pressure 30.03 in1017 mb
POP 2% *
Humidity 51%
Wed, 30th
Grainger County TN Weather - Wednesday, Sep 30, 2026 - Partly Cloudy
Hi: 79°F 26°C
Lo: 58°F 15°C
Sunrise 07:29 AM
Sunset 07:19 PM
Wind NE 4 mph6 km/h
Dew Point 54°F12°C
uv Index 6
Barometric Pressure 30.03 in1017 mb
POP 3% *
Humidity 54%
* POP = Probability of Precipitation. Data for 12:00 PM.