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Altamont, TN Weather Forecast
Altamont, TN Weather Forecast Date: 1108 AM CDT Sun Sep 20 2026
The area/counties/county of: Grundy, including the cities of: Altamont and Coalmont.or toggle through each period.
This Afternoon... Sunny. A slight chance of showers and thunderstorms. Highs in the upper 80s. Southwest winds around 5 mph. Chance of rain 20%.
Tonight... A slight chance of thunderstorms in the evening. Partly cloudy with a slight chance of showers. Lows in the upper 60s. South winds around 5 mph. Chance of rain 20%.
Monday... Mostly sunny. A chance of showers and thunderstorms in the afternoon. Highs in the upper 80s. Southwest winds around 5 mph. Chance of rain 30%.
Monday Night... Mostly cloudy with a chance of showers. A chance of thunderstorms, mainly in the evening. Lows in the upper 60s. Light and variable winds. Chance of rain 50%.
Tuesday... Mostly sunny. Patchy fog in the morning. A chance of showers with a slight chance of thunderstorms in the morning, then showers likely with a chance of thunderstorms in the afternoon. Highs in the mid 80s. Light and variable winds, becoming northwest around 5 mph in the afternoon. Chance of rain 70%.
Tuesday Night... A chance of thunderstorms in the evening. Partly cloudy with a chance of showers. Patchy fog after midnight. Lows in the mid 60s. Chance of rain 40%.
Wednesday... Patchy fog in the morning. Mostly sunny with a chance of showers. A chance of thunderstorms in the afternoon. Highs in the upper 70s. Chance of rain 50%.
Wednesday Night... Partly cloudy. A chance of showers and thunderstorms in the evening, then a slight chance of showers after midnight. Lows in the upper 50s. Chance of rain 50%.
Thursday... Mostly sunny with a 20% chance of showers. Highs in the mid 70s.
Thursday Night... Partly cloudy in the evening, then becoming mostly clear. Lows in the upper 50s.
Friday... Mostly sunny. A slight chance of showers in the afternoon. Highs in the mid 70s. Chance of rain 20%.
Friday Night... Mostly clear. Lows in the mid 50s.
POP = Probability of Precipitation
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