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Saint Clair, Tennessee Weather Forecast
Saint Clair, Tennessee Weather
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Weather Forecast for Saint Clair, Tennessee : Rhea County
Issued: 1:11 am EST Dec 15, 2025 Latitude: 35.7336823 Longitude: -84.8082776 View on Google Maps

MouseOver for Detail Forecast
Overnight Monday Tuesday Wednesday Thursday Friday Saturday Sunday
Clear on Overnight Sunny on Monday Sunny on Tuesday Partly Sunny on Wednesday 80% chance of rain on Thursday Sunny on Friday Sunny on Saturday 40% chance of rain on Sunday
Low: 12°F High: 39°F High: 49°F High: 51°F High: 58°F High: 46°F High: 55°F High: 59°F
Low: 22°F Low: 30°F Low: 37°F Low: 27°F Low: 28°F Low: 44°F  
Clear Sunny Sunny Partly Sunny Rain Sunny Sunny Rain
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Current Conditions at
CROSSVILLE - (KCSV)
10°
Clear
as of 11:53 PM CST
Rel. Humidity: 72%
Dew Point: 3°F
Visibility: 10 Miles
Pressure: 30.48 in.
Flight Rule: VFR
Wind Data
3 MPH
040° Northeast
Cloud Level(s): Clear
Current Conditions at
OAK RIDGE - (KOQT)
14°
Clear
as of 12:53 AM EST
Rel. Humidity: 56%
Dew Point: 1°F
Visibility: 10 Miles
Pressure: 30.56 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Current Conditions at
KNOXVILLE - (KTYS)
16°
Feels like 4°F
Clear
as of 12:53 AM EST
Rel. Humidity: 52%
Dew Point: 1°F
Visibility: 10 Miles
Pressure: 30.53 in.
Flight Rule: VFR
Wind Data
9 MPH
010° North
Cloud Level(s): Clear
Current Conditions at
CHATTANOOGA - (KCHA)
19°
Feels like 7°F
Clear
as of 12:53 AM EST
Rel. Humidity: 48%
Dew Point: 3°F
Visibility: 10 Miles
Pressure: 30.56 in.
Flight Rule: VFR
Wind Data
12 MPH
340° North
Cloud Level(s): Clear
Clear on Overnight Overnight... Clear, with a low around 12. North wind around 5 mph.
Sunny on Monday Monday... Sunny, with a high near 39. Calm wind becoming south around 5 mph in the afternoon.
Mostly Clear on Monday Night Monday Night... Mostly clear, with a low around 22. Calm wind.
Sunny on Tuesday Tuesday... Sunny, with a high near 49. Calm wind becoming south around 5 mph in the afternoon.
Cloudy on Tuesday Night Tuesday Night... Partly cloudy, with a low around 30. Southwest wind around 5 mph.
Partly Sunny on Wednesday Wednesday... Partly sunny, with a high near 51. Calm wind becoming south around 5 mph.
Mostly Cloudy on Wednesday Night Wednesday Night... Mostly cloudy, with a low around 37. Calm wind becoming south around 5 mph after midnight.
80% chance of rain Thursday Thursday... Showers, mainly after 1pm. High near 58. Chance of precipitation is 80%.
70% chance of rain Thursday Night Thursday Night... Showers likely before 1am. Mostly cloudy, with a low around 27. Chance of precipitation is 70%.
Sunny on Friday Friday... Sunny, with a high near 46.
Mostly Clear on Friday Night Friday Night... Mostly clear, with a low around 28.
Sunny on Saturday Saturday... Sunny, with a high near 55.
40% chance of rain Saturday Night Saturday Night... A 40 percent chance of showers. Mostly cloudy, with a low around 44.
40% chance of rain Sunday Sunday... A 40 percent chance of showers. Mostly cloudy, with a high near 59.
Current Radar Image


Sun Almanac for Saint Clair, Tennessee
Sunrise: 07:42 AM
Sunset: 5:27 PM
Civil Sunrise:07:14 AM
Civil Sunset: 5:56 PM
Nautical Sunrise: 06:42 AM
Nautical Sunset: 6:27 PM
Astro Sunrise: 06:11 AM
Astro Sunset: 6:59 PM
Any use of the information on this page is at your own risk. This information should not be relied upon in life-threatening situations, potential financial loss situations or in lieu of any officially disseminated information. Visit the National Weather Service for official information.