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

Graysville, Tennessee Weather

Cicadas claim the scorching afternoon. Day 15 of summer. Read this microseason across nine climate regions →

Graysville weather forecast — hour by hour, 7-day outlook, NOAA radar

Graysville, TN
Sunday, July 5 at 5:32 PM
80
°
Overcast
Feels like
89°
Humidity
80%
Wind
2 mph
Sunrise
2:30 AM
Sunset
4:58 PM
Graysville, TN
Hour by hour · 24h
24-Hour ForecastGraysville, TN: 24-hour forecast. Temperatures range from 72 to 86 degrees Fahrenheit with a 47% chance of precipitation at 5 PM.
L 72°H 86°
Graysville, TN
7-day forecast
  1. Today
    Jul 5
    Heavy Showers
    70%
    0.48″
    89°73°
  2. Monday
    Jul 6
    Rain
    37%
    0.27″
    86°72°-3°
  3. Tuesday
    Jul 7
    Overcast
    33%
    91°73°+5°
  4. Wednesday
    Jul 8
    Light Drizzle
    21%
    93°69°+2°
  5. Thursday
    Jul 9
    Light Drizzle
    30%
    93°70°
  6. Friday
    Jul 10
    Heavy Drizzle
    40%
    87°70°-6°
  7. Saturday
    Jul 11
    Drizzle
    58%
    88°70°+1°
Graysville, TN
Anemometer · 24h winds · from true
NESW
From · True
NNE
024° · backing 119°
Direction
NNE
024°
Sustained
2
mph
Gust
3
mph
Peak 24h
15
avg 3
Beaufort · 1 · LIGHT AIR
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 3 · pk 15 @ 1:00p
01020MPHB1B2B3B4B5-21h-18h-15h-12h-9h-6h-3h-24hNOWpk 1914SUSTGUST
−24h−18h−12h−6hnow
A whisper of wind — leaves barely shift on the trees.
Graysville, TN
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
987.5
-0.5 mb in 3h · steady · 29.16 inHg
Now
987.5
mb
3h
-0.5
mb
12h
-0.3
mb
24h
-0.6
mb
Regime · STORM
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 988990
9809859909951000STORM|RAIN10051010RAIN|CHG1015CHG|FAIR10201025FAIR|DRY1030-21h-18h-15h-12h-9h-6h-3h-24hNOW990.0988.1988.3
−24h−18h−12h−6hnow
Deep low — expect rough seas, strong wind, and persistent rain.
Graysville, TN
Air quality
45
AQI
Good
+16 in 6h

AQI 45 (Good), driven by PM2.5. AQI up 16 in the last 6 hours — air quality is degrading. PM2.5 at 8.2 µg/m³, PM10 at 8.7 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.

PM 2.5DRIVERGood
8.2μg/m³
PM 10Good
9μg/m³
NO₂Good
1μg/m³
OzoneModerate
92μg/m³
UV IndexModerate
3.6

What's driving it

Ozone × UV × Sky

Ozone at AQI 43 — peak already passed at 1 PM under overcast skies. Levels should ease through evening.

Present
AQI 43
UV peak
3.1 at earlier today
Sky at peak
overcast
Projected peak
AQI 43

PM × Wind × Precip

PM2.5 at 8.2 µg/m³, PM10 at 8.7 µg/m³ — typical background levels with no transport signature.

PM2.5/PM10
0.94
Wind
calm
Recent rain
1h in last 6h
Pattern
background
Graysville, TN
Sky cover · visibility · 24h
Cloud cover
100%
OVERCAST
100%0%−24h−18h−12h−6hnow

Visibility
53.8mi
UNLIMITED
79 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
21:32 UTC · Graysville, 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
21:32 UTC · Graysville, TN · NOAA NESDIS / STAR · 5-min cadence · up to 10000 px
Graysville, TN
Satellite · infrared · animated
Graysville, TN
Loading IR frames…
IR · cloud-top temp© RainViewer · Carto
Graysville, TN
Almanac · Sunday, July 5
If the first of July be rainy weather, 'twill rain more or less for four weeks together.
Civil dawn
6:02 AM
Sunrise
2:30 AM
Daylight
14h 28m
Sunset
4:58 PM
Civil dusk
9:29 PM
Planting note
Harvest early potatoes. Begin drying onions on the surface.
Graysville, TN
The moon
Waning Gibbous
69% illuminated
Moonrise
11:55 PM
Moonset
11:53 AM
In sign
♓︎ Pisces
Graysville, TN
Microseason
Jul 1–5

Cicadas claim the scorching afternoon

plant
Jan 151% of the yearDec 31

Read this microseason across nine climate regions →

Graysville at a glance

  • Today vs. normal: 4°F above the seasonal normal for this latitude
  • Last frost: March 20 (climatological average for this latitude)
  • Microseason: Jul 1–5
  • Planting window: Harvest early potatoes. Begin drying onions on the surface.

ZIP code: 37338

16-Day Forecast — Graysville

  1. Sun89°73°70%
  2. Mon86°72°37%
  3. Tue91°73°33%
  4. Wed93°69°21%
  5. Thu93°70°30%
  6. Fri87°70°40%
  7. Sat88°70°58%
  8. Sun92°70°49%
  9. Mon95°71°22%
  10. Tue81°62°11%
  11. Wed87°60°8%
  12. Thu91°63°33%
  13. Fri92°68°42%
  14. Sat94°68°45%
  15. Sun94°68°39%
  16. Mon87°68°42%

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 — Graysville

SPC has placed Graysville 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 Graysville

  • 37338
  • 37321

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.