Greenback, Tennessee Weather
Cicadas claim the scorching afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Greenback weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Overcast17%—93°71°—
- SundayJul 5Light Showers22%0.09″96°73°+3°
- MondayJul 6Heavy Showers65%0.79″92°71°-4°
- TuesdayJul 7Thunderstorm40%—88°68°-4°
- WednesdayJul 8Heavy Drizzle24%—90°69°+2°
- ThursdayJul 9Light Drizzle43%—88°69°-2°
- FridayJul 10Light Drizzle62%0.01″90°70°+2°
AQI 25 (Good), driven by PM2.5. AQI up 5 over the last 6 hours (gradual rise). PM2.5 at 13.0 µg/m³ (AQI 58) with a 0.82 fine-to-coarse ratio and 1 mph wind — combustion smoke trapped in calm air, not road dust.
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 56 now. With UV 3.4 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 25 around 1 PM.
- Present
- AQI 56
- UV peak
- 3.4 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 25
PM × Wind × Precip
PM2.5 at 13.0 µg/m³ (AQI 58) with a 0.82 fine-to-coarse ratio and 1 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.82
- Wind
- calm
- 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
- 11:25 PM
- Moonset
- 10:46 AM
- In sign
- ♓︎ Pisces
Cicadas claim the scorching afternoon
Greenback at a glance
- Today vs. normal: 11°F above the seasonal normal for this latitude
- Last frost: March 21 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 37742
16-Day Forecast — Greenback
- Sat93°71°17%
- Sun96°73°22%
- Mon92°71°65%
- Tue88°68°40%
- Wed90°69°24%
- Thu88°69°43%
- Fri90°70°62%
- Sat82°70°61%
- Sun83°68°46%
- Mon81°63°20%
- Tue83°58°17%
- Wed86°63°37%
- Thu92°63°48%
- Fri86°69°42%
- Sat73°71°42%
- Sun90°70°48%
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 — Greenback
SPC includes Greenback in the general thunderstorm area today — no severe risk, but storms are possible.
- TODAYTSTMGeneral Thunderstorms
- TOMORROWTSTMGeneral Thunderstorms
- DAY 3TSTMGeneral Thunderstorms
Thunderstorms possible. Not severe, but capable of producing lightning and brief heavy rain.
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 Greenback
- 37742