Summertown, Tennessee Weather
Cicadas claim the scorching afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Summertown weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Foggy——90°69°—
- SundayJul 5Light Drizzle32%—90°74°0°
- MondayJul 6Thunderstorm51%—85°70°-5°
- TuesdayJul 7Overcast13%—83°65°-2°
- WednesdayJul 8Overcast14%—85°65°+2°
- ThursdayJul 9Light Drizzle22%—87°67°+2°
- FridayJul 10Light Drizzle49%—90°71°+3°
AQI 68 (Moderate), driven by Ozone. AQI up 25 in the last 6 hours — air quality is degrading. Ozone at AQI 80 — 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 80 — peak already passed at 1 PM under partly cloudy skies. Levels should ease through evening.
- Present
- AQI 80
- UV peak
- 1.9 at earlier today
- Sky at peak
- partly cloudy
- Projected peak
- AQI 80
PM × Wind × Precip
PM2.5 at 9.3 µg/m³ (AQI 51) with a 0.89 fine-to-coarse ratio and 6 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.89
- Wind
- light
- 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
- 10:38 PM
- Moonset
- 10:00 AM
- In sign
- ♓︎ Pisces
Cicadas claim the scorching afternoon
Summertown at a glance
- Today vs. normal: 14°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: 38483
16-Day Forecast — Summertown
- Sat90°69°9%
- Sun90°74°32%
- Mon85°70°51%
- Tue83°65°13%
- Wed85°65°14%
- Thu87°67°22%
- Fri90°71°49%
- Sat82°70°46%
- Sun79°61°33%
- Mon78°56°15%
- Tue80°59°13%
- Wed82°61°27%
- Thu77°67°39%
- Fri84°68°68%
- Sat76°70°48%
- Sun80°67°44%
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 — Summertown
SPC has placed Summertown 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 Summertown
- 38483