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Lenoir City, TN Weather
Current conditions
Observed at Oak Ridge · 1 hr ago
Forecast
10-day-
Sunday Night
Clear, with a low around 45. Northeast wind 0 to 5 mph.
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Monday
Sunny, with a high near 71.
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Monday Night
Partly cloudy, with a low around 46.
National Weather Service forecast updated 3 days ago.
Hourly
Hourly forecast- Now64°
- 8 PM59°
- 9 PM56°
- 10 PM53°
- 11 PM51°
- Mon12 AM50°
- 1 AM49°
- 2 AM48°
- 3 AM47°
- 4 AM46°
- 5 AM45°
- 6 AM44°
- 7 AM43°
- 8 AM44°
- 9 AM47°
- 10 AM52°
- 11 AM57°
- 12 PM61°
- 1 PM65°
- 2 PM68°
- 3 PM70°
- 4 PM71°
- 5 PM70°
- 6 PM67°
Daily forecast
Details- TonightOct 22Mostly Clear then Patchy Fog44°
- FriOct 23Patchy Fog then Sunny41°71°
- SatOct 24Sunny44°71°
- TodayOct 25Sunny45°71°
- MonOct 26Sunny46°71°
- TueOct 27Mostly Sunny47°72°
- WedOct 28Mostly Sunny47°73°
- ThuOct 29Mostly Sunny73°
- FriOct 30Mostly sunny53°78°
Days after the National Weather Service's seven are MET Norway's outlook, a computer model with no forecaster's review.
Radar
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Air quality
Air quality is satisfactory, and air pollution poses little or no risk.
Forecast
- SunModerate (51)
- MonModerate (51)
- TueModerate (51)
Great Smoky Mtns. Natl. Park - TN, TN reporting area · 1 hr ago. Data from AirNow (EPA and its state, local and tribal partners); preliminary and subject to change.
Sun & moon
Almanac
MonthlyKnoxville Area, records since 1871. Normals 1991–2020. Data from NOAA's Regional Climate Centers (ACIS).
Nearby
Forecasters' discussion
From the National Weather Service office in MRX, issued 4 hrs ago
Key Messages
Updated at 244 PM EDT Sun Oct 25 2026
- Dry weather will continue over the forecast period with cool mornings and mild afternoon highs.
- Low relative humidity values in the 30s to upper 20s are also expected most days but with light winds overall.
Discussion
Issued at 244 PM EDT Sun Oct 25 2026
Early Sunday afternoon temperatures are warming into the 70s under mostly sunny skies for another excellent Autumn day. There isn't much change over the next several days as the forecast more or less stays the same. Winds will be generally light and variable over the next few days under the high pressure. One consideration is that we will have efficient mixing that will support RH's to fall into the 25 to 35 percent range. Fortunately for us, fire weather concerns will be limited given the light/variable winds in this weather pattern.
Our attention turns to the end of the week into next weekend. Our upper level ridge will begin to flatten and lose influence over the eastern US. Upstream, a series of weak shortwaves will move through the Great Lakes region and allow moisture to return to increase. This trend of an earlier weakening of the ridge & surface high pressure will lead to a chance of isolated showers Saturday evening. This weekend will be split Sunday will be the Trick and Saturday should be the treat. Given the residual low level dry air in place, Halloween will not be a wash out. Worst case scenario will be a few sprinkles or very isolated showers across portions of the valley. In fact, the overcast skies will help set the mood for a great night of trick or treating!
Sunday, the trick, will be a rather crummy day as the slug of moisture tied to the system moves into the region. There is an increasing signal for a rather widespread rain event Sunday across guidance. It doesn't look like a ton of rain, but it should be enough for everyone to get a tenth or two as the pattern begins to transition to a more active look into early November.
Aviation
(18Z TAFS) Issued at 113 PM EDT Sun Oct 25 2026
A sprawling high pressure will persist through the TAF period. VFR conditions throughout the period with mostly sunny skies, and light winds or calm conditions can be expected. TRI may see patchy fog develop just prior to sunrise Monday morning. Future TAFs will tweak as necessary.
Preliminary Point Temps
Chattanooga Airport, TN 47 73 48 76 / 0 0 0 0 Knoxville McGhee Tyson Airport, TN 45 73 46 75 / 0 0 0 0 Oak Ridge, TN 45 73 46 75 / 0 0 0 0 Tri Cities Airport, TN 40 71 42 75 / 0 0 0 0
Forecasts, observations and alerts in the United States come from the National Weather Service (NOAA); radar from NOAA's Multi-Radar Multi-Sensor system; satellite imagery from NASA's Global Imagery Browse Services (GIBS) and NOAA's GOES satellites; the map from the U.S. Geological Survey's National Map; air quality from AirNow (EPA and its partners); hurricane information from the National Hurricane Center; climate normals and records from NOAA's Regional Climate Centers (ACIS). Forecasts outside the United States and the UV index: MET Norway (CC BY 4.0); observations outside the U.S.: airport reports via NOAA's Aviation Weather Center. Place names: GeoNames (CC BY 4.0). Data are copied on a schedule and may lag the sources; for warnings that affect your safety, follow your local National Weather Service office and emergency officials. Weather news is drawn from the 4Search index and reflects what the press published. Terms of use. How to use Weather