Weather WorldDeKalb County, TN 7-Day Night Weather Forecast
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DeKalb County, TN Weather Forecast
DeKalb County, TN Weather Forecast Date: 537 AM CDT Tue Aug 25 2026
The area/counties/county of: De Kalb, including the city of Smithville.or toggle through each period.
Today... Sunny. Highs in the upper 80s. Light and variable winds, becoming north around 5 mph this afternoon.
Tonight... Mostly clear in the evening, then becoming partly cloudy. Lows in the mid 60s. Light and variable winds.
Wednesday... Mostly sunny. Highs in the lower 90s. Light and variable winds, becoming west around 5 mph in the afternoon.
Wednesday Night... Partly cloudy. A slight chance of showers after midnight. Lows in the upper 60s. South winds around 5 mph in the evening, becoming light and variable. Chance of rain 20%.
Thursday... Mostly sunny. Patchy fog in the morning. A slight chance of showers in the morning, then a chance of showers and thunderstorms in the afternoon. Highs around 90. Southwest winds around 5 mph. Chance of rain 50%.
Thursday Night... Mostly cloudy in the evening, then becoming partly cloudy. A slight chance of thunderstorms in the evening. A chance of showers. Areas of fog after midnight. Lows in the upper 60s. Chance of rain 50%.
Friday... Sunny. Areas of fog in the morning. A slight chance of showers and thunderstorms in the afternoon. Highs in the upper 80s. Chance of rain 20%.
Friday Night... Mostly clear. Lows in the mid 60s.
Saturday... Sunny. Highs in the lower 90s.
Saturday Night... Mostly clear. Lows in the upper 60s.
Sunday... Sunny. Highs in the lower 90s.
Sunday Night... Mostly clear. Lows around 70.
POP = Probability of Precipitation
DeKalb County Radar Loop
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