Graysville, Tennessee Weather
Cicadas claim the scorching afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Graysville weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Light Drizzle12%—93°71°—
- SundayJul 5Rain29%0.27″94°75°+1°
- MondayJul 6Thunderstorm71%—84°71°-10°
- TuesdayJul 7Light Drizzle24%—89°69°+5°
- WednesdayJul 8Overcast12%—91°66°+2°
- ThursdayJul 9Overcast21%—96°66°+5°
- FridayJul 10Drizzle56%—92°71°-4°
AQI 49 (Good), driven by Ozone. AQI up 20 in the last 6 hours — air quality is degrading. Ozone at AQI 65 — peak already passed at 1 PM under partly cloudy skies. Levels should ease through evening.
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 65 — peak already passed at 1 PM under partly cloudy skies. Levels should ease through evening.
- Present
- AQI 65
- UV peak
- 3.4 at earlier today
- Sky at peak
- partly cloudy
- Projected peak
- AQI 65
PM × Wind × Precip
PM2.5 at 13.1 µg/m³ (AQI 58) with a 0.89 fine-to-coarse ratio and 1 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.89
- Wind
- calm
- 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
- 11:28 PM
- Moonset
- 10:50 AM
- In sign
- ♓︎ Pisces
Cicadas claim the scorching afternoon
Graysville at a glance
- Today vs. normal: 16°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
- Sat93°71°12%
- Sun94°75°29%
- Mon84°71°71%
- Tue89°69°24%
- Wed91°66°12%
- Thu96°66°21%
- Fri92°71°56%
- Sat84°69°54%
- Sun85°66°34%
- Mon84°58°14%
- Tue86°60°17%
- Wed88°64°39%
- Thu86°68°42%
- Fri91°68°58%
- Sat89°70°51%
- Sun81°69°50%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Peak growing season
As of July 4, 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 tomorrow.
- TODAYTSTMGeneral Thunderstorms
- TOMORROWMRGLMarginal Risk
- 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