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Altamont, Tennessee Weather Forecast
Altamont, Tennessee Weather
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Weather Forecast for Altamont, Tennessee : Grundy County
Issued: 8:11 am CST Dec 16, 2025 Latitude: 35.4295186 Longitude: -85.7230316 View on Google Maps

MouseOver for Detail Forecast
Today Tonight Wednesday Thursday Friday Saturday Sunday Monday
Sunny on Today Increasing Clouds on Tonight Mostly Cloudy on Wednesday 90% chance of thunderstorms on Thursday Sunny on Friday Sunny on Saturday 30% chance of rain on Sunday 20% chance of rain on Monday
High: 48°F Low: 35°F High: 50°F High: 56°F High: 39°F High: 53°F High: 55°F High: 56°F
Low: 40°F Low: 26°F Low: 28°F Low: 44°F Low: 43°F  
Sunny Increasing Clouds Mostly Cloudy Thunderstorms Sunny Sunny Rain Rain
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Current Conditions at
CHATTANOOGA - (KCHA)
34°
Clear
as of 9:53 AM EST
Rel. Humidity: 55%
Dew Point: 19°F
Visibility: 10 Miles
Pressure: 30.32 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Current Conditions at
CROSSVILLE - (KCSV)
37°
Clear
as of 8:53 AM CST
Rel. Humidity: 34%
Dew Point: 12°F
Visibility: 10 Miles
Pressure: 30.23 in.
Flight Rule: VFR
Wind Data
5 MPH
Cloud Level(s): Clear
Current Conditions at
SMYRNA - (KMQY)
34°
Cloudy
as of 8:56 AM CST
Rel. Humidity: 50%
Dew Point: 18°F
Visibility: 10 Miles
Pressure: 30.28 in.
Flight Rule: VFR
Wind Data
6 MPH
150° Southeast
Cloud Level(s): Solid Overcast at 3800ft
Current Conditions at
DALTON - (KDNN)
34°
Clear
as of 9:55 AM EST
Rel. Humidity: 55%
Dew Point: 19°F
Visibility: 10 Miles
Pressure: 30.34 in.
Flight Rule: VFR
Wind Data
3 MPH
140° Southeast
Cloud Level(s): Clear
Sunny on Today Today... Sunny, with a high near 48. South southwest wind around 5 mph.
Increasing Clouds on Tonight Tonight... Increasing clouds, with a low around 35. South southwest wind around 5 mph.
Mostly Cloudy on Wednesday Wednesday... Mostly cloudy, with a high near 50. Southwest wind around 5 mph becoming calm in the morning.
20% chance of rain Wednesday Night Wednesday Night... A 20 percent chance of showers after midnight. Mostly cloudy, with a low around 40. Calm wind becoming south southeast around 5 mph after midnight. Winds could gust as high as 25 mph.
90% chance of thunderstorms Thursday Thursday... Showers, with thunderstorms also possible after 3pm. High near 56. South southeast wind around 10 mph, with gusts as high as 25 mph. Chance of precipitation is 90%.
80% chance of thunderstorms Thursday Night Thursday Night... Showers and possibly a thunderstorm before 9pm, then showers between 9pm and midnight. Low around 26. South wind around 10 mph becoming northwest after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 80%.
Sunny on Friday Friday... Sunny, with a high near 39. Northwest wind around 5 mph becoming calm in the afternoon. Winds could gust as high as 20 mph.
Mostly Clear on Friday Night Friday Night... Mostly clear, with a low around 28. Calm wind becoming south southeast around 5 mph after midnight.
Sunny on Saturday Saturday... Sunny, with a high near 53. South wind 5 to 10 mph, with gusts as high as 20 mph.
40% chance of rain Saturday Night Saturday Night... A 40 percent chance of showers, mainly after midnight. Partly cloudy, with a low around 44.
30% chance of rain Sunday Sunday... A 30 percent chance of showers. Mostly cloudy, with a high near 55.
30% chance of rain Sunday Night Sunday Night... A 30 percent chance of showers. Mostly cloudy, with a low around 43.
20% chance of rain Monday Monday... A 20 percent chance of showers. Mostly cloudy, with a high near 56.
Current Radar Image


Sun Almanac for Altamont, Tennessee
Sunrise: 06:46 AM
Sunset: 4:32 PM
Civil Sunrise:06:17 AM
Civil Sunset: 5:00 PM
Nautical Sunrise: 05:45 AM
Nautical Sunset: 5:32 PM
Astro Sunrise: 05:14 AM
Astro Sunset: 6:03 PM
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