Weather StoryAlmanac, microseasons, and the day's weather story.

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

Walnut Grove, TN
Saturday, July 4 at 7:26 PM
81
°
Light Rain
Feels like
83°
Humidity
63%
Wind
11 mph
Sunrise
12:33 AM
Sunset
3:08 PM
Walnut Grove, TN
Hour by hour · 24h
24-Hour ForecastWalnut Grove, TN: 24-hour forecast. Temperatures range from 71 to 91 degrees Fahrenheit with a 24% chance of precipitation at 1 PM.
L 71°H 91°
Walnut Grove, TN
7-day forecast
  1. Today
    Jul 4
    Light Rain
    0.20″
    91°66°
  2. Sunday
    Jul 5
    Overcast
    24%
    91°71°
  3. Monday
    Jul 6
    Heavy Rain
    30%
    0.53″
    86°69°-5°
  4. Tuesday
    Jul 7
    Light Drizzle
    12%
    81°67°-5°
  5. Wednesday
    Jul 8
    Overcast
    10%
    86°66°+5°
  6. Thursday
    Jul 9
    Overcast
    18%
    91°69°+5°
  7. Friday
    Jul 10
    Thunderstorm
    53%
    0.04″
    81°73°-10°
Walnut Grove, TN
Anemometer · 24h winds · from true
NESW
From · True
ESE
121° · backing 52°
Direction
ESE
121°
Sustained
11
mph
Gust
14
mph
Peak 24h
21
avg 4
Beaufort · 3 · GENTLE BRZ
0
CALM
<1
1
LIGHT AIR
1–3
2
LIGHT BRZ
4–7
3
GENTLE BRZ
8–12
4
MOD BRZ
13–18
5
FRESH BRZ
19–24
6
STRONG BRZ
25–31
7
NEAR GALE
32–38
24h · sust vs gust · mph
avg 4 · pk 21 @ 9:00p
0102030MPHB1B2B3B4B5B6B7-21h-18h-15h-12h-9h-6h-3h-24hNOWpk 3120SUSTGUST
−24h−18h−12h−6hnow
Light breeze backing 52° from the ese.
Walnut Grove, TN
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
982.3
-1.5 mb in 3h · falling · 29.01 inHg
Now
982.3
mb
3h
-1.5
mb
12h
-4.2
mb
24h
-4.5
mb
Regime · STORM
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 982988
9759809859909951000STORM|RAIN10051010RAIN|CHG1015CHG|FAIR10201025FAIR|DRY1030-21h-18h-15h-12h-9h-6h-3h-24hNOW987.5982.3982.3
−24h−18h−12h−6hnow
Deep low still deepening — rough seas, strong wind, persistent rain.
Walnut Grove, TN
Air quality
108
AQI
Unhealthy for Sensitive Groups
+62 in 6h

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.

PM 2.5DRIVERModerate
12.8μg/m³
PM 10Good
13μg/m³
NO₂Good
5μg/m³
OzoneUnhealthy SG
107μg/m³
UV IndexLow
0.2

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
Walnut Grove, TN
Sky cover · visibility · 24h
Cloud cover
24%
CLEAR
100%0%−24h−18h−12h−6hnow

Visibility
17.9mi
UNLIMITED
82 mi0 mi−24h−18h−12h−6hnow
Earth · GOES-19 ABI
Full Disk · Visible · GeoColor
GOES-19 full disk Visible · GeoColor
True-color daytime, blue/IR sandwich at night
00:26 UTC · Walnut Grove, TN · NOAA NESDIS / STAR · up to 10848 px
Continental US · GOES-19 ABI
CONUS Sector · Visible · GeoColor
GOES-19 CONUS Visible · GeoColor
Daytime true-color, blue-light/IR sandwich at night
00:26 UTC · Walnut Grove, TN · NOAA NESDIS / STAR · 5-min cadence · up to 10000 px
Walnut Grove, TN
Satellite · infrared · animated
Walnut Grove, TN
Loading IR frames…
IR · cloud-top temp© RainViewer · Carto
Walnut Grove, TN
Almanac · Saturday, July 4
If the first of July be rainy weather, 'twill rain more or less for four weeks together.
Civil dawn
5:04 AM
Sunrise
12:33 AM
Daylight
14h 35m
Sunset
3:08 PM
Civil dusk
8:39 PM
Planting note
Harvest early potatoes. Begin drying onions on the surface.
Walnut Grove, TN
The moon
Waning Gibbous
77% illuminated
Moonrise
11:01 PM
Moonset
11:00 AM
In sign
♓︎ Pisces
Walnut Grove, TN
Microseason
Jul 1–5

Cicadas claim the scorching afternoon

plant
Jan 151% of the yearDec 31

Read this microseason across nine climate regions →

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

  1. Sat91°66°9%
  2. Sun91°71°24%
  3. Mon86°69°30%
  4. Tue81°67°12%
  5. Wed86°66°10%
  6. Thu91°69°18%
  7. Fri81°73°53%
  8. Sat83°70°49%
  9. Sun75°66°30%
  10. Mon83°61°14%
  11. Tue86°67°10%
  12. Wed88°69°32%
  13. Thu78°66°39%
  14. Fri85°67°45%
  15. Sat92°71°52%
  16. 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

Climate normals from the Open-Meteo Climate API. Köppen approximation from NOAA NCEI U.S. Climate Regions. See methodology for data sources, editorial rules, and corrections. Maintainer: Brian Tighe.