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
- TodayJul 5Heavy Showers70%0.48″89°73°—
- MondayJul 6Rain37%0.27″86°72°-3°
- TuesdayJul 7Overcast33%—91°73°+5°
- WednesdayJul 8Light Drizzle21%—93°69°+2°
- ThursdayJul 9Light Drizzle30%—93°70°0°
- FridayJul 10Heavy Drizzle40%—87°70°-6°
- SaturdayJul 11Drizzle58%—88°70°+1°
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.
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
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
- 11:55 PM
- Moonset
- 11:53 AM
- In sign
- ♓︎ Pisces
Cicadas claim the scorching afternoon
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
- Sun89°73°70%
- Mon86°72°37%
- Tue91°73°33%
- Wed93°69°21%
- Thu93°70°30%
- Fri87°70°40%
- Sat88°70°58%
- Sun92°70°49%
- Mon95°71°22%
- Tue81°62°11%
- Wed87°60°8%
- Thu91°63°33%
- Fri92°68°42%
- Sat94°68°45%
- Sun94°68°39%
- 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