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Sullivan County Weather Forecast
Sullivan County, TN Weather Forecast Date: 228 AM EDT Thu Oct 15 2026
Weather forecast for Sullivan County, TN
Tonight Lo: 61°F Lo: 16°C |
Tonight... Mostly cloudy. Lows in the lower 60s. Light winds. |
Thu Hi: 83°FHi: 28°C Lo: 65°F Lo: 18°C |
Thursday... Mostly sunny. Highs in the lower to mid 80s. Light winds. |
Fri Hi: 80°FHi: 27°C Lo: 43°F Lo: 6°C |
Friday... Sunny. Showers likely in the afternoon. Highs in the upper 70s to lower 80s. Temperature falling into the upper 60s in the afternoon. Southwest winds 5 to 15 mph, becoming west 15 to 20 mph in the afternoon. Chance of rain 70%. |
| Sat Hi: 53°FHi: 12°C Lo: 35°F Lo: 2°C |
Saturday... Mostly sunny. A slight chance of showers in the morning. Much cooler with highs in the lower to mid 50s. Chance of rain 20%. |
| Sun Hi: 60°FHi: 16°C Lo: 39°F Lo: 4°C |
Sunday... Sunny. Highs in the upper 50s to lower 60s. |
| Mon Hi: 63°FHi: 17°C Lo: 41°F Lo: 5°C |
Monday... Sunny. Highs in the lower to mid 60s. |
| Tue Hi: 67°FHi: 19°C Lo: 45°F Lo: 7°C |
Tuesday... Mostly sunny. Highs in the mid to upper 60s. |
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