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 4Light Rain—0.20″91°66°—
- SundayJul 5Overcast24%—91°71°0°
- MondayJul 6Heavy Rain30%0.53″86°69°-5°
- TuesdayJul 7Light Drizzle12%—81°67°-5°
- WednesdayJul 8Overcast10%—86°66°+5°
- ThursdayJul 9Overcast18%—91°69°+5°
- FridayJul 10Thunderstorm53%0.04″81°73°-10°
AQI 108 (Unhealthy for Sensitive Groups), driven by PM2.5. AQI up 62 in the last 6 hours — air quality is degrading. PM scrubbed by 4 hours of recent rain — PM2.5 down to 12.8 µg/m³, PM10 to 13.4 µg/m³.
CAUTION Sensitive groups (children, elderly, respiratory conditions) should limit prolonged outdoor exertion.
What's driving it
Ozone × UV × Sky
Ozone at AQI 50. Overcast through the UV peak window (cloud cover ~100%) — afternoon ozone should stay flat.
- Present
- AQI 50
- UV peak
- 0.2 at 1 PM
- Sky at peak
- overcast
- Projected peak
- AQI 6
PM × Wind × Precip
PM scrubbed by 4 hours of recent rain — PM2.5 down to 12.8 µg/m³, PM10 to 13.4 µg/m³.
- PM2.5/PM10
- 0.96
- Wind
- breezy
- Recent rain
- 4h in last 6h
- Pattern
- washed out
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: 6°F above the seasonal normal for this latitude
- 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°9%
- Sun91°71°24%
- Mon86°69°30%
- Tue81°67°12%
- Wed86°66°10%
- Thu91°69°18%
- Fri81°73°53%
- Sat83°70°49%
- Sun75°66°30%
- Mon83°61°14%
- Tue86°67°10%
- Wed88°69°32%
- Thu78°66°39%
- Fri85°67°45%
- Sat92°71°52%
- Sun93°72°47%
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