Live Weather & Forecast
Weather in Alcoa
Tennessee, United States · Real-time conditions & 3-day outlook
26°C
Feels like 25°C
78°F / Feels 77°F
Partly cloudy
Alcoa, Tennessee
🌞 Daytime
Updated: 2026-04-13 13:30
Humidity
35%
Wind
20.5 km/h SW
Wind Gust
23.6 km/h
Pressure
1025 mb
Visibility
16 km
UV Index
8.2
(Very High)
Precipitation
0 mm
Cloud Cover
75%
Dew Point
8.6°C
Wind Degree
232°
Air Quality Index
US EPA: Good
UK DEFRA: Low (1)
CO
140.9 μg/m³
NO₂
2.5 μg/m³
O₃
125 μg/m³
SO₂
2.4 μg/m³
PM 2.5
3.5 μg/m³
PM 10
4.2 μg/m³
Today's Hourly Forecast
24-hour breakdown for Alcoa, Tennessee
12 AM
19°
Clear
1 AM
19°
Clear
2 AM
18°
Clear
3 AM
18°
Clear
4 AM
17°
Clear
5 AM
17°
Clear
6 AM
17°
Clear
7 AM
19°
Clear
8 AM
21°
Sunny
9 AM
22°
Sunny
10 AM
25°
Sunny
11 AM
27°
Sunny
12 PM
29°
Sunny
1 PM
26°
Partly cloudy
2 PM
30°
Sunny
3 PM
30°
Sunny
4 PM
29°
Sunny
5 PM
28°
Sunny
6 PM
26°
Sunny
7 PM
25°
Sunny
8 PM
23°
Sunny
9 PM
22°
Clear
10 PM
21°
Clear
11 PM
20°
Clear
3-Day Forecast
Daily overview for Alcoa, Tennessee
Today
Sunny
30°
/
16°
🌧️ 0% chance of rain
💧 Avg. humidity: 36%
💨 Max wind: 21.2 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 1.9
🌅 Sunrise: 07:06 AM
🌇 Sunset: 08:08 PM
🌙 Waning Crescent
🌑 Moon: 23% lit
Tue, Apr 14
Sunny
28°
/
17°
🌧️ 0% chance of rain
💧 Avg. humidity: 60%
💨 Max wind: 18.7 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 2
🌅 Sunrise: 07:04 AM
🌇 Sunset: 08:09 PM
🌙 Waning Crescent
🌑 Moon: 15% lit
Wed, Apr 15
Sunny
28°
/
16°
🌧️ 0% chance of rain
💧 Avg. humidity: 58%
💨 Max wind: 15.1 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 2.3
🌅 Sunrise: 07:03 AM
🌇 Sunset: 08:09 PM
🌙 Waning Crescent
🌑 Moon: 8% lit
Best Time to Visit Alcoa
Plan your trip to Alcoa, United States around the most favorable weather conditions.
Peak Season
June – September
Warm, dry summers — ideal for outdoor activities.
Shoulder Season
April – May, October
Fewer crowds, moderate prices, mild weather.
Off Season
November – March
Cooler temperatures; some regions may experience rain or snow.
Frequently Asked Questions
What is the current weather in Alcoa?
Current conditions in Alcoa: Partly cloudy, temperature 26°C, humidity 35%.
What is the best time to visit Alcoa?
The best time to visit Alcoa is typically June – September. Warm, dry summers — ideal for outdoor activities.
What is the climate like in Alcoa?
Alcoa is located at approximately 35.8° latitude. It has a temperate climate with warm summers and cold winters.
Does it rain a lot in Alcoa?
The wettest period in Alcoa is typically during November – March. Cooler temperatures; some regions may experience rain or snow.
What should I pack for a trip to Alcoa?
For visits to Alcoa during June – September: light clothing and sun protection. For November – March: layers and a waterproof jacket are recommended.
What country is Alcoa in?
Alcoa is located in United States, in the state of Tennessee.
What are the public holidays in Alcoa in 2026?
View the 2026 public holidays for Alcoa on our Holidays page.
What are the GPS coordinates used for the weather forecast in Alcoa?
The weather forecast for Alcoa uses coordinates 35.7847, -83.9866.