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Grainger County, TN 7-Day Weather Forecast
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Grainger County Weather Forecast
Grainger County, TN Weather Forecast Date: 706 AM EDT Sat Sep 12 2026
Weather forecast for Grainger County, TN
Today Hi: 83°FHi: 28°C Lo: 69°F Lo: 21°C |
Today... Mostly cloudy with a chance of showers with a slight chance of thunderstorms this morning, then showers likely with a chance of thunderstorms this afternoon. Highs in the lower to mid 80s. Light winds. Chance of rain 70%. |
Sun Hi: 87°FHi: 31°C Lo: 65°F Lo: 18°C |
Sunday... Mostly sunny. Highs in the mid to upper 80s. Light winds. |
| Mon Hi: 89°FHi: 32°C Lo: 65°F Lo: 18°C |
Monday... Mostly sunny. Highs in the upper 80s. Light winds. |
| Tue Hi: 90°FHi: 32°C Lo: 69°F Lo: 21°C |
Tuesday... Sunny. Highs in the upper 80s to lower 90s. |
| Wed Hi: 91°FHi: 33°C Lo: 69°F Lo: 21°C |
Wednesday... Sunny. Highs in the lower 90s. |
| Thu Hi: 91°FHi: 33°C Lo: 69°F Lo: 21°C |
Thursday... Sunny. Highs in the lower 90s. |
| Fri Hi: 89°FHi: 32°C |
Friday... Mostly sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the upper 80s. Chance of rain 20%. |
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