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Alcoa, TN Weather
Current conditions
Forecast for this hour (no station report in the last two hours)
Forecast
10-day-
Friday
Sunny, with a high near 74. Northeast wind around 5 mph.
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Friday Night
Mostly clear, with a low around 44. East wind 0 to 5 mph.
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Saturday
Sunny, with a high near 72. North wind 0 to 5 mph.
National Weather Service forecast updated 12 hrs ago.
Hourly
Hourly forecast- Now71°
- 3 PM72°
- 4 PM73°
- 5 PM74°
- 6 PM72°
- 7 PM67°
- 8 PM63°
- 9 PM57°
- 10 PM55°
- 11 PM53°
- Sat12 AM51°
- 1 AM49°
- 2 AM48°
- 3 AM48°
- 4 AM47°
- 5 AM46°
- 6 AM45°
- 7 AM44°
- 8 AM44°
- 9 AM47°
- 10 AM54°
- 11 AM60°
- 12 PM64°
- 1 PM67°
10-day forecast
Details- TonightOct 22Mostly Clear43°
- TodayOct 23Sunny44°74°
- SatOct 24Sunny43°72°
- SunOct 25Sunny42°72°
- MonOct 26Sunny43°73°
- TueOct 27Mostly Sunny47°75°
- WedOct 28Mostly Sunny45°75°
- ThuOct 29Mostly Sunny76°
- FriOct 30Mostly sunny50°66°
- SatOct 31Partly cloudy46°72°
Days after the National Weather Service's seven are MET Norway's outlook, a computer model with no forecaster's review.
Radar
Full mapWeather news near Alcoa
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Air quality
Air quality is satisfactory, and air pollution poses little or no risk.
Forecast
- FriModerate (51)
- SatModerate (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 Ap, records since 1910. Normals 1991–2020. Data from NOAA's Regional Climate Centers (ACIS).
Nearby
- Knoxville 20 km
- Oak Ridge 36 km
- Maryville 4 km
- Farragut 19 km
- Sevierville 38 km
- Seymour 25 km
- Clinton 38 km
- Lenoir City 25 km
- Jefferson City 57 km
- Harriman 55 km
- Pigeon Forge 38 km
- Sweetwater 49 km
Forecasters' discussion
From the National Weather Service office in MRX, issued 10 min ago
Key Messages
Updated at 228 PM EDT Fri Oct 23 2026
- Early morning patchy fog potential continues near rivers and lakes.
- Dry weather dominates the forecast period, with cool mornings and pleasant afternoons each day. Afternoon relative humidity will remain on the lower side as well.
Discussion
Issued at 228 PM EDT Fri Oct 23 2026
Largely a persistence forecast as we remain on the eastern periphery of an anomalous ridge axis centered in vicinity of the Ozarks through the weekend. The ridge will slowly progress eastward, becoming increasingly centered over the forecast area by early to mid next week. However, the northern extent of the ridging will be somewhat suppressed by bouts of energy, leading to fairly steady temperature trends through the period.
High pressure and associated subsidence will continue to promote mostly clear skies and dry weather. The dry air will keep mornings cool and afternoons pleasant. Some patchy valley fog will be possible each morning, especially near rivers and lakes. Light winds will hinder any notable fire weather concerns despite low afternoon RHs.
Aviation
(18Z TAFS) Issued at 117 PM EDT Fri Oct 23 2026
VFR conditions among light winds and clear skies are expected for the TAF period.
Preliminary Point Temps
Chattanooga Airport, TN 45 74 45 74 / 0 0 0 0 Knoxville McGhee Tyson Airport, TN 42 74 44 74 / 0 0 0 0 Oak Ridge, TN 43 74 44 73 / 0 0 0 0 Tri Cities Airport, TN 41 72 39 72 / 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.