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Postoak, Tennessee Weather Forecast
Postoak, Tennessee Weather
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Weather Forecast for Postoak, Tennessee : Roane County
Issued: 7:56 pm EST Dec 17, 2025 Latitude: 35.8734068 Longitude: -84.6307714 View on Google Maps

MouseOver for Detail Forecast
Overnight Thursday Friday Saturday Sunday Monday Tuesday Wednesday
Cloudy on Overnight 70% chance of rain on Thursday Sunny on Friday Sunny on Saturday 20% chance of on Sunday Mostly Sunny on Monday 20% chance of on Tuesday Mostly Cloudy on Wednesday
Low: 35°F High: 58°F High: 45°F High: 55°F High: 54°F High: 53°F High: 55°F High: 60°F
Low: 31°F Low: 27°F Low: 39°F Low: 31°F Low: 39°F Low: 44°F  
Cloudy Rain Sunny Sunny Partly Sunny Mostly Sunny Partly Sunny Mostly Cloudy
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Current Conditions at
OAK RIDGE - (KOQT)
39°
Clear
as of 10:53 PM EST
Rel. Humidity: 69%
Dew Point: 30°F
Visibility: 10 Miles
Pressure: 30.14 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Current Conditions at
CROSSVILLE - (KCSV)
43°
Cloudy
as of 9:53 PM CST
Rel. Humidity: 65%
Dew Point: 32°F
Visibility: 10 Miles
Pressure: 30.11 in.
Flight Rule: VFR
Wind Data
3 MPH
150° Southeast
Cloud Level(s): Broken at 10000ft, Solid Overcast at 12000ft
Current Conditions at
KNOXVILLE - (KTYS)
39°
Mostly Cloudy
as of 11:27 PM EST
Rel. Humidity: 69%
Dew Point: 30°F
Visibility: 10 Miles
Pressure: 30.12 in.
Flight Rule: VFR
Wind Data
3 MPH
020° North
Cloud Level(s): Few at 300ft, Broken at 13000ft
Current Conditions at
ANDREWS - (KRHP)
36°
Clear
as of 11:35 PM EST
Rel. Humidity: 69%
Dew Point: 27°F
Visibility: 10 Miles
Pressure: 30.16 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Cloudy on Overnight Overnight... Partly cloudy, with a low around 35. Calm wind.
70% chance of rain Thursday Thursday... Showers likely, mainly after 2pm. Mostly cloudy, with a high near 58. Light south wind increasing to 10 to 15 mph in the morning. Winds could gust as high as 25 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
90% chance of rain & snow Thursday Night Thursday Night... Rain showers before 4am, then a slight chance of rain and snow showers. Some thunder is also possible. Low around 31. South wind 5 to 15 mph becoming west after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.
Sunny on Friday Friday... Sunny, with a high near 45. West wind around 5 mph.
Mostly Clear on Friday Night Friday Night... Mostly clear, with a low around 27. Calm wind.
Sunny on Saturday Saturday... Sunny, with a high near 55. Light south wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
20% chance of rain Saturday Night Saturday Night... A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 39. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.
20% chance of Sunday Sunday... A 20 percent chance of showers. Partly sunny, with a high near 54.
Cloudy on Sunday Night Sunday Night... Partly cloudy, with a low around 31.
Mostly Sunny on Monday Monday... Mostly sunny, with a high near 53.
20% chance of rain Monday Night Monday Night... A 20 percent chance of showers. Mostly cloudy, with a low around 39.
20% chance of Tuesday Tuesday... A 20 percent chance of showers. Partly sunny, with a high near 55.
20% chance of rain Tuesday Night Tuesday Night... A 20 percent chance of showers. Mostly cloudy, with a low around 44.
Mostly Cloudy on Wednesday Wednesday... Mostly cloudy, with a high near 60.
Current Radar Image


Sun Almanac for Postoak, Tennessee
Sunrise: 07:44 AM
Sunset: 5:27 PM
Civil Sunrise:07:15 AM
Civil Sunset: 5:56 PM
Nautical Sunrise: 06:43 AM
Nautical Sunset: 6:28 PM
Astro Sunrise: 06:12 AM
Astro Sunset: 6:59 PM
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