Somerville, Tennessee Weather
Cicadas claim the scorching afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Somerville weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Overcast21%—94°71°—
- SundayJul 5Showers28%0.11″90°74°-4°
- MondayJul 6Thunderstorm45%—91°71°+1°
- TuesdayJul 7Overcast37%—87°68°-4°
- WednesdayJul 8Overcast19%—91°67°+4°
- ThursdayJul 9Light Drizzle20%—95°70°+4°
- FridayJul 10Mostly Clear33%—98°77°+3°
AQI 45 (Good), driven by Ozone. AQI up 11 over the last 6 hours (gradual rise). Ozone at AQI 75 — peak already passed at 1 PM under clear 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 75 — peak already passed at 1 PM under clear skies. Levels should ease through evening.
- Present
- AQI 75
- UV peak
- 6.2 at earlier today
- Sky at peak
- clear
- Projected peak
- AQI 75
PM × Wind × Precip
PM2.5 at 13.6 µg/m³ (AQI 59) with a 0.82 fine-to-coarse ratio and 1 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.82
- 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
- 10:46 PM
- Moonset
- 10:08 AM
- In sign
- ♓︎ Pisces
Cicadas claim the scorching afternoon
Somerville at a glance
- Today vs. normal: 18°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: 38068
16-Day Forecast — Somerville
- Sat94°71°21%
- Sun90°74°28%
- Mon91°71°45%
- Tue87°68°37%
- Wed91°67°19%
- Thu95°70°20%
- Fri98°77°33%
- Sat84°75°33%
- Sun81°64°25%
- Mon81°61°11%
- Tue84°62°9%
- Wed89°64°26%
- Thu83°68°32%
- Fri93°70°45%
- Sat90°69°29%
- Sun76°68°26%
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 — Somerville
SPC includes Somerville in the general thunderstorm area today — no severe risk, but storms are possible.
- TODAYTSTMGeneral Thunderstorms
- TOMORROWTSTMGeneral Thunderstorms
- DAY 3TSTMGeneral Thunderstorms
Thunderstorms possible. Not severe, but capable of producing lightning and brief heavy rain.
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 Somerville
- 38068