Summertown, Tennessee Weather
Fireflies pulse through the magnolias. Day 76 of spring. Read this microseason across nine climate regions →
Summertown weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 3Clear——81°58°—
- ThursdayJun 4Overcast——83°60°+2°
- FridayJun 5Overcast——79°60°-4°
- SaturdayJun 6Overcast——81°61°+2°
- SundayJun 7Light Showers37%—75°65°-6°
- MondayJun 8Heavy Drizzle56%0.05″75°65°0°
- TuesdayJun 9Light Drizzle46%—79°68°+4°
PM2.5 at 11.5 µg/m³, PM10 at 13.3 µg/m³ — typical background levels with no transport signature. AQI up 7 over the last 6 hours (gradual rise).
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 50 now. With UV 7.9 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 53 by mid-afternoon.
- Present
- AQI 50
- UV peak
- 7.9 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 53
PM × Wind × Precip
PM2.5 at 11.5 µg/m³, PM10 at 13.3 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.86
- 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).
The higher the clouds, the finer the weather.
- Moonrise
- 3:24 AM
- Moonset
- 1:03 PM
- In sign
- ♑︎ Capricorn
Fireflies pulse through the magnolias
Summertown at a glance
- Today vs. normal: 80°F — typical for the season
- Last frost: March 20 (climatological average for this latitude)
- Microseason: Jun 1–5
- Planting window: Harvest spring lettuce before it bolts. Sow heat-tolerant greens.
Right now in the garden
Peak growing season
As of June 3, 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.