Walnut Grove, Tennessee Weather
Cicadas claim the scorching afternoon. Day 15 of summer. Read this microseason across nine climate regions →
Walnut Grove weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Foggy15%—91°66°—
- SundayJul 5Light Drizzle23%0.02″91°73°0°
- MondayJul 6Heavy Drizzle47%0.01″84°69°-7°
- TuesdayJul 7Light Drizzle31%—81°67°-3°
- WednesdayJul 8Overcast20%—86°66°+5°
- ThursdayJul 9Overcast18%—91°69°+5°
- FridayJul 10Thunderstorm56%0.04″81°73°-10°
AQI 67 (Moderate), driven by PM2.5. AQI down 44 over the last 6 hours — air quality is improving sharply. PM2.5 at 10.3 µg/m³ (AQI 53) with a 0.96 fine-to-coarse ratio and 5 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 40. Overcast through the UV peak window (cloud cover ~90%) — afternoon ozone should stay flat.
- Present
- AQI 40
- UV peak
- 0.0 at 1 PM
- Sky at peak
- overcast
- Projected peak
- AQI 5
PM × Wind × Precip
PM2.5 at 10.3 µg/m³ (AQI 53) with a 0.96 fine-to-coarse ratio and 5 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.96
- 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
- 11:01 PM
- Moonset
- 11:00 AM
- In sign
- ♓︎ Pisces
Cicadas claim the scorching afternoon
Walnut Grove at a glance
- Today vs. normal: 77°F — typical for the season
- Last frost: March 26 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
16-Day Forecast — Walnut Grove
- Sat91°66°15%
- Sun91°72°23%
- Mon84°69°47%
- Tue81°67°31%
- Wed86°66°20%
- Thu91°69°18%
- Fri81°73°56%
- Sat83°70°53%
- Sun75°66°22%
- Mon83°61°10%
- Tue86°67°5%
- Wed88°69°19%
- Thu78°66°23%
- Fri85°67°33%
- Sat92°71°36%
- Sun93°72°36%
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 — Walnut Grove
SPC includes Walnut Grove 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 Walnut Grove
- 37048