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Union County Weather Forecast
Union County, TN Weather Forecast Date: 706 PM EDT Tue Aug 25 2026
Weather forecast for Union County, TN
Tonight Lo: 61°F Lo: 16°C |
Tonight... Mostly clear this evening, then becoming partly cloudy. Lows in the lower 60s. Light winds. |
Wed Hi: 89°FHi: 32°C Lo: 69°F Lo: 21°C |
Wednesday... Mostly sunny. Highs in the upper 80s. Light winds. |
Thu Hi: 89°FHi: 32°C Lo: 69°F Lo: 21°C |
Thursday... Partly sunny with a slight chance of showers and thunderstorms in the morning, then mostly cloudy with a chance of showers and thunderstorms in the afternoon. Highs in the upper 80s. Light winds. Chance of rain 50%. |
| Fri Hi: 85°FHi: 29°C Lo: 65°F Lo: 18°C |
Friday... Partly sunny. A slight chance of showers and thunderstorms in the morning, then a chance of showers and thunderstorms in the afternoon. Highs in the mid 80s. Chance of rain 50%. |
| Sat Hi: 89°FHi: 32°C Lo: 65°F Lo: 18°C |
Saturday... Mostly sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the upper 80s. Chance of rain 20%. |
| Sun Hi: 90°FHi: 32°C Lo: 69°F Lo: 21°C |
Sunday... Sunny. Highs around 90. |
| Mon Hi: 90°FHi: 32°C Lo: 70°F Lo: 21°C |
Monday... Mostly sunny. A slight chance of showers and thunderstorms in the afternoon. Highs around 90. Chance of rain 20%. |
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