Weather Alert
Grainger County Weather Warning NWS WEATHER ALERT FOR THE GRAINGER COUNTY, TN AREA - Issued: 1241 AM EDT Wed Sep 2 2026 Grainger County Weather Warning

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Grainger County, TN Weather - Hour by Hour Forecast

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Grainger County, TN Weather - Hour by Hour Forecast

24 Hour Forecast

Current Conditions - Clear. Temperature is 87°F31°C, dew point 75°F24°C, humidity 66%. Wind direction is N at 0 mph0 km/h with visibility of 10 mi16 km. Barometric pressure is N/A inN/A mb.
Today - Sunny. Highs in the mid 90s. Light winds... Full Forecast
Tonight - Mostly clear. Lows in the lower 70s. Light winds... Full Forecast

Grainger County Hourly Weather

24 Hour Forecast Scroll
Wed, Sep 02
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Grainger County, TN Hourly Weather - Clear - 11:00 AM Grainger County, TN Hourly Weather - Clear - 12:00 PM Grainger County, TN Hourly Weather - Partly Cloudy - 1:00 PM Grainger County, TN Hourly Weather - Partly Cloudy - 2:00 PM Grainger County, TN Hourly Weather - Partly Cloudy - 3:00 PM Grainger County, TN Hourly Weather - Mostly Clear - 4:00 PM Grainger County, TN Hourly Weather - Mostly Clear - 5:00 PM Grainger County, TN Hourly Weather - Mostly Clear - 6:00 PM Grainger County, TN Hourly Weather - Clear - 7:00 PM Grainger County, TN Hourly Weather - Clear - 8:00 PM Grainger County, TN Hourly Weather - Clear - 9:00 PM Grainger County, TN Hourly Weather - Clear - 10:00 PM Grainger County, TN Hourly Weather - Clear - 11:00 PM Grainger County, TN Hourly Weather - Clear - 12:00 AM Grainger County, TN Hourly Weather - Clear - 1:00 AM Grainger County, TN Hourly Weather - Clear - 2:00 AM Grainger County, TN Hourly Weather - Clear - 3:00 AM Grainger County, TN Hourly Weather - Clear - 4:00 AM Grainger County, TN Hourly Weather - Clear - 5:00 AM Grainger County, TN Hourly Weather - Clear - 6:00 AM Grainger County, TN Hourly Weather - Clear - 7:00 AM Grainger County, TN Hourly Weather - Clear - 8:00 AM Grainger County, TN Hourly Weather - Clear - 9:00 AM Grainger County, TN Hourly Weather - Clear - 10:00 AM
Clear Clear Partly Cloudy Partly Cloudy Partly Cloudy Mostly Clear Mostly Clear Mostly Clear Clear Clear Clear Clear Clear Clear Clear Clear Clear Clear Clear Clear Clear Clear Clear Clear
86°F30°C 88°F31°C 90°F32°C 92°F33°C 92°F33°C 93°F34°C 93°F34°C 91°F33°C 90°F32°C 88°F31°C 85°F29°C 82°F28°C 79°F26°C 78°F26°C 76°F24°C 75°F24°C 74°F23°C 74°F23°C 73°F23°C 74°F23°C 74°F23°C 75°F24°C 79°F26°C 83°F28°C
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0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 1% 1% 1% 1% 1% 1% 0% 0%
73°F23°C 72°F22°C 71°F22°C 70°F21°C 69°F21°C 69°F21°C 68°F20°C 69°F21°C 69°F21°C 70°F21°C 71°F22°C 72°F22°C 73°F23°C 73°F23°C 72°F22°C 72°F22°C 72°F22°C 71°F22°C 71°F22°C 72°F22°C 72°F22°C 73°F23°C 73°F23°C 73°F23°C
65% 59% 54% 49% 47% 46% 44% 49% 50% 55% 63% 72% 82% 85% 87% 90% 93% 90% 93% 93% 93% 94% 82% 72%
SW SSW NW NNW NNW N N W S ESE ENE NE N N N N N N N N N N NE E
1 mph 1 mph 3 mph 3 mph 3 mph 4 mph 4 mph 4 mph 1 mph 1 mph 1 mph 0 mph 0 mph 0 mph 0 mph 0 mph 0 mph 0 mph 0 mph 0 mph 0 mph 0 mph 0 mph 1 mph
10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 6 mi10 km 6 mi10 km 5 mi8 km 3 mi5 km .5 mi1 km .25 mi0 km .75 mi1 km 5 mi8 km 10 mi16 km 10 mi16 km 10 mi16 km
Hour (EDT)
Weather
Clouds
Temperature
Precip. Type
POP
Dewpoint
Humidity
Wind Direction
Wind Speed
Visibility
POP = Probability of Precipitation. ** Indicates missing data/values from KMOR model statistics.

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Prob Precip % = Probability of Precipitation.

Grainger County 36 Hour Forecast

POP = Probability of Precipitation. ** Indicates missing data/values from model statistics.

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