Alcoa, Tennessee Weather
Cicadas claim the scorching afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Alcoa weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Overcast20%—93°71°—
- SundayJul 5Heavy Drizzle25%0.04″95°72°+2°
- MondayJul 6Light Showers69%0.09″89°71°-6°
- TuesdayJul 7Light Drizzle44%—89°67°0°
- WednesdayJul 8Overcast10%—88°65°-1°
- ThursdayJul 9Overcast19%—91°63°+3°
- FridayJul 10Thunderstorm56%—87°70°-4°
AQI 71 (Moderate), driven by Ozone. AQI up 42 in the last 6 hours — air quality is degrading. Ozone at AQI 83 — peak already passed at 1 PM under partly cloudy skies. Levels should ease through evening.
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion.
What's driving it
Ozone × UV × Sky
Ozone at AQI 83 — peak already passed at 1 PM under partly cloudy skies. Levels should ease through evening.
- Present
- AQI 83
- UV peak
- 1.3 at earlier today
- Sky at peak
- partly cloudy
- Projected peak
- AQI 83
PM × Wind × Precip
PM2.5 at 7.5 µg/m³ (AQI 42) with a 0.89 fine-to-coarse ratio and 6 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.89
- Wind
- light
- Recent rain
- 0h in last 6h
- Pattern
- stagnant smoke
Trends
Seven days of AQI and PM2.5.
Hourly air-quality data from the Copernicus Atmosphere Monitoring Service, charted across the past and next several days. Dashed lines mark the AQI breakpoints at 50 (Good → Moderate) and 100 (Moderate → Unhealthy for Sensitive Groups).
If the first of July be rainy weather, 'twill rain more or less for four weeks together.
- Moonrise
- 11:24 PM
- Moonset
- 10:45 AM
- In sign
- ♓︎ Pisces
Cicadas claim the scorching afternoon
Alcoa at a glance
- Today vs. normal: 17°F above the seasonal normal for this latitude
- Last frost: March 22 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 37701
16-Day Forecast — Alcoa
- Sat93°71°20%
- Sun95°72°25%
- Mon89°71°69%
- Tue89°67°44%
- Wed88°65°10%
- Thu91°63°19%
- Fri87°70°56%
- Sat79°67°62%
- Sun77°63°47%
- Mon80°57°28%
- Tue81°59°16%
- Wed88°62°32%
- Thu85°64°33%
- Fri88°67°55%
- Sat85°67°52%
- Sun81°67°60%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Peak growing season
As of July 4, the growing season is at its peak — frost is months away. Continue succession-planting beans and summer squash. Start fall brassicas (broccoli, cabbage, kale) from seed indoors for transplanting in late summer.
SPC Convective Outlook
Storm Prediction Center — Alcoa
SPC has placed Alcoa in the Marginal Risk category for severe thunderstorms tomorrow.
- TODAYTSTMGeneral Thunderstorms
- TOMORROWMRGLMarginal Risk
- DAY 3TSTMGeneral Thunderstorms
Isolated severe storms possible. Limited threat for hail or damaging wind.
Source: NOAA / NWS Storm Prediction Center categorical convective outlook. Outlooks are re-issued multiple times per day; this page reflects the most recent SPC polygons covering the city’s coordinates.
ZIP codes in Alcoa
- 37701
- 37777
- 37804