New Johnsonville, Tennessee Weather
Cicadas claim the scorching afternoon. Day 14 of summer. Read this microseason across nine climate regions →
New Johnsonville weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Overcast——91°68°—
- SundayJul 5Showers18%0.20″90°73°-1°
- MondayJul 6Light Rain25%0.06″89°71°-1°
- TuesdayJul 7Overcast10%—88°66°-1°
- WednesdayJul 8Overcast——90°65°+2°
- ThursdayJul 9Overcast13%—93°67°+3°
- FridayJul 10Light Drizzle45%—97°75°+4°
AQI 52 (Moderate), driven by Ozone. AQI flat over the last 6 hours (within ±3 points). Ozone at AQI 68 — peak already passed at 1 PM under clear 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 68 — peak already passed at 1 PM under clear skies. Levels should ease through evening.
- Present
- AQI 68
- UV peak
- 3.9 at earlier today
- Sky at peak
- clear
- Projected peak
- AQI 68
PM × Wind × Precip
PM2.5 at 9.8 µg/m³ (AQI 52) with a 0.92 fine-to-coarse ratio and 3 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.92
- 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
- 10:41 PM
- Moonset
- 10:02 AM
- In sign
- ♓︎ Pisces
Cicadas claim the scorching afternoon
New Johnsonville at a glance
- Today vs. normal: 15°F above the seasonal normal for this latitude
- Last frost: March 23 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 37134
16-Day Forecast — New Johnsonville
- Sat91°68°8%
- Sun90°74°18%
- Mon89°71°25%
- Tue88°66°10%
- Wed90°65°9%
- Thu93°67°13%
- Fri97°75°45%
- Sat82°71°45%
- Sun83°63°30%
- Mon84°58°16%
- Tue84°60°10%
- Wed88°62°19%
- Thu87°66°32%
- Fri93°69°43%
- Sat77°70°39%
- Sun78°68°45%
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 — New Johnsonville
SPC includes New Johnsonville 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 New Johnsonville
- 37134