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 4Overcast——92°71°—
- SundayJul 5Rain25%0.27″94°74°+2°
- MondayJul 6Thunderstorm71%—91°72°-3°
- TuesdayJul 7Light Showers24%—91°70°0°
- WednesdayJul 8Overcast12%—92°67°+1°
- ThursdayJul 9Overcast21%—96°68°+4°
- FridayJul 10Drizzle56%0.02″91°70°-5°
AQI 47 (Good), driven by PM2.5. AQI up 12 over the last 6 hours (gradual rise). PM2.5 at 10.4 µg/m³, PM10 at 11.0 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 33. Overcast through the UV peak window (cloud cover ~100%) — afternoon ozone should stay flat.
- Present
- AQI 33
- UV peak
- 0.0 at 1 PM
- Sky at peak
- overcast
- Projected peak
- AQI 4
PM × Wind × Precip
PM2.5 at 10.4 µg/m³, PM10 at 11.0 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.95
- Wind
- light
- Recent rain
- 0h 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: 6°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
- Sat92°71°9%
- Sun94°74°25%
- Mon91°72°71%
- Tue91°70°24%
- Wed92°67°12%
- Thu96°68°21%
- Fri91°70°56%
- Sat83°70°54%
- Sun72°68°34%
- Mon86°66°14%
- Tue91°66°17%
- Wed92°67°39%
- Thu75°68°42%
- Fri91°67°58%
- Sat87°71°51%
- Sun95°71°50%
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 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