Williston, Tennessee Weather
Cicadas claim the scorching afternoon. Day 15 of summer. Read this microseason across nine climate regions →
Williston weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 5Overcast32%—89°74°—
- MondayJul 6Overcast13%—89°71°0°
- TuesdayJul 7Overcast29%—88°72°-1°
- WednesdayJul 8Light Drizzle21%0.01″92°72°+4°
- ThursdayJul 9Drizzle——94°70°+2°
- FridayJul 10Mostly Clear21%—96°76°+2°
- SaturdayJul 11Light Drizzle33%—96°73°0°
AQI 46 (Good), driven by Ozone. AQI up 6 over the last 6 hours (gradual rise). Ozone at AQI 60 — peak already passed at 1 PM under overcast 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 60 — peak already passed at 1 PM under overcast skies. Levels should ease through evening.
- Present
- AQI 60
- UV peak
- 1.4 at earlier today
- Sky at peak
- overcast
- Projected peak
- AQI 60
PM × Wind × Precip
PM2.5 at 8.5 µg/m³, PM10 at 9.1 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.93
- 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
- 11:12 PM
- Moonset
- 11:11 AM
- In sign
- ♓︎ Pisces
Cicadas claim the scorching afternoon
Williston at a glance
- Today vs. normal: 13°F above the seasonal normal for this latitude
- Last frost: March 18 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 38076
16-Day Forecast — Williston
- Sun89°74°32%
- Mon89°70°13%
- Tue88°72°29%
- Wed92°72°21%
- Thu94°70°9%
- Fri96°76°21%
- Sat96°73°33%
- Sun95°73°28%
- Mon95°69°25%
- Tue81°64°7%
- Wed85°62°5%
- Thu95°67°30%
- Fri97°75°32%
- Sat92°72°29%
- Sun89°69°24%
- Mon90°68°40%
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 — Williston
SPC has placed Williston 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 Williston
- 38068
- 38076