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Town of Erwin, TennesseeErwin, TN 7-Day Night Weather Forecast
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Erwin, TN Weather Forecast
Erwin, TN Weather Forecast Date: 227 PM EDT Sun Sep 20 2026
The area/counties/county of: Unicoi, including the cities of: Erwin, Unicoi, and Limestone Cove.or toggle through each period.
Rest of Today... Mostly sunny with a slight chance of showers and thunderstorms. Highs in the 70s to mid 80s. Light winds. Chance of rain 20%.
Tonight... Partly cloudy in the evening, then clearing. Lows in the 60s. Light winds.
Monday... Mostly sunny. A chance of showers with a slight chance of thunderstorms in the morning, then a chance of showers and thunderstorms in the afternoon. Highs in the 70s to mid 80s. Temperature falling into the mid 70s in the afternoon. Light winds. Chance of rain 50%.
Monday Night... Partly cloudy with a chance of showers with a slight chance of thunderstorms in the evening, then mostly cloudy with a chance of showers after midnight. Lows in the upper 50s to mid 60s. Light winds. Chance of rain 50%.
Tuesday... Partly sunny. Showers likely with a slight chance of thunderstorms in the morning, then showers with a chance of thunderstorms in the afternoon. Highs in the upper 60s to lower 80s. Temperature falling into the upper 60s in the afternoon. Light winds. Chance of rain 90%.
Tuesday Night... Showers likely with a slight chance of thunderstorms in the evening, then showers likely after midnight. Lows in the upper 50s to mid 60s. Chance of rain 70%.
Wednesday... Showers likely with a slight chance of thunderstorms in the morning, then showers with a chance of thunderstorms in the afternoon. Highs in the 60s to mid 70s. Chance of rain 90%.
Wednesday Night... Mostly cloudy. Showers likely with a slight chance of thunderstorms in the evening, then a chance of showers after midnight. Lows in the 50s to lower 60s. Chance of rain 70%.
Thursday... Partly sunny. A chance of showers in the morning, then a chance of showers with a slight chance of thunderstorms in the afternoon. Highs in the upper 50s to lower 70s. Chance of rain 50%.
Thursday Night... Partly cloudy in the evening, then becoming mostly cloudy. Lows in the upper 40s to mid 50s.
Friday... Mostly sunny. Highs in the upper 50s to lower 70s.
Friday Night... Partly cloudy. Lows in the mid 40s to lower 50s.
POP = Probability of Precipitation
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