Greenfield, Tennessee Weather
Cicadas claim the scorching afternoon. Day 15 of summer. Read this microseason across nine climate regions →
Greenfield weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Drizzle19%0.02″91°70°—
- SundayJul 5Heavy Rain28%1.1″90°72°-1°
- MondayJul 6Overcast23%—87°70°-3°
- TuesdayJul 7Overcast11%—86°68°-1°
- WednesdayJul 8Clear10%—89°68°+3°
- ThursdayJul 9Overcast18%—92°71°+3°
- FridayJul 10Overcast45%—88°77°-4°
AQI 71 (Moderate), driven by PM2.5. AQI up 28 in the last 6 hours — air quality is degrading. PM2.5 at 8.7 µg/m³, PM10 at 10.0 µg/m³ — typical background levels with no transport signature.
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 46 now. With UV 0.2 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 11 around 1 PM.
- Present
- AQI 46
- UV peak
- 0.2 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 11
PM × Wind × Precip
PM2.5 at 8.7 µg/m³, PM10 at 10.0 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.87
- Wind
- light
- Recent rain
- 1h in last 6h
- Pattern
- background
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
- 11:10 PM
- Moonset
- 11:08 AM
- In sign
- ♓︎ Pisces
Cicadas claim the scorching afternoon
Greenfield at a glance
- Today vs. normal: 5°F above the seasonal normal for this latitude
- Last frost: March 24 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 38230
16-Day Forecast — Greenfield
- Sat91°70°19%
- Sun90°72°28%
- Mon87°70°23%
- Tue86°68°11%
- Wed89°68°10%
- Thu92°71°18%
- Fri88°77°45%
- Sat86°72°45%
- Sun76°67°24%
- Mon85°63°19%
- Tue86°67°7%
- Wed89°71°18%
- Thu87°71°33%
- Fri90°73°42%
- Sat91°74°29%
- Sun92°75°35%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Peak growing season
As of July 5, 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 — Greenfield
SPC has placed Greenfield in the Marginal Risk category for severe thunderstorms today.
- TODAYMRGLMarginal Risk
- TOMORROWTSTMGeneral Thunderstorms
- 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 Greenfield
- 38230