Weather WorldJohnson County, TN 7-Day Weather Forecast
Quick Weather Clicks
Settings
Sun & Moon
Johnson County Weather Forecast
Johnson County, TN Weather Forecast Date: 706 PM EDT Tue Aug 25 2026
Weather forecast for Johnson County, TN
Tonight Lo: 59°F Lo: 15°C |
Tonight... Mostly clear. Lows in the upper 50s. Light winds. |
Wed Hi: 80°FHi: 27°C Lo: 61°F Lo: 16°C |
Wednesday... Mostly sunny. A chance of showers and thunderstorms in the afternoon. Highs in the mid 70s to mid 80s. Temperature falling into the mid 70s in the afternoon. Light winds. Chance of rain 40%. |
| Thu Hi: 80°FHi: 27°C Lo: 61°F Lo: 16°C |
Thursday... Partly sunny. A slight chance of showers and thunderstorms in the morning, then showers likely with a chance of thunderstorms in the afternoon. Highs in the mid 70s to mid 80s. Temperature falling into the lower 70s in the afternoon. Light winds. Chance of rain 70%. |
| Fri Hi: 76°FHi: 24°C Lo: 60°F Lo: 16°C |
Friday... Mostly cloudy. A chance of showers with a slight chance of thunderstorms in the morning, then showers with a chance of thunderstorms in the afternoon. Highs in the 70s to lower 80s. Temperature falling into the lower 70s in the afternoon. Chance of rain 80%. |
| Sat Hi: 76°FHi: 24°C Lo: 60°F Lo: 16°C |
Saturday... Partly sunny. A slight chance of showers in the morning, then a chance of showers and thunderstorms in the afternoon. Highs in the 70s to mid 80s. Chance of rain 50%. |
| Sun Hi: 80°FHi: 27°C Lo: 63°F Lo: 17°C |
Sunday... Mostly sunny. A slight chance of showers in the morning, then a slight chance of showers and thunderstorms in the afternoon. Highs in the mid 70s to mid 80s. Chance of rain 20%. |
| Mon Hi: 87°FHi: 31°C Lo: 63°F Lo: 17°C |
Monday... Mostly sunny. A slight chance of showers in the morning, then a slight chance of showers and thunderstorms in the afternoon. Highs in the mid 70s to upper 80s. Chance of rain 20%. |
Johnson County Radar Loop
Use the map search tool if you want to place a location marker on the radar map...