Germantown, Tennessee Weather
Heat settles and the rain begins. Day 89 of spring. Read this microseason across nine climate regions →
Germantown weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 16Overcast——87°66°—
- WednesdayJun 17Thunderstorm——91°71°+4°
- ThursdayJun 18T-storm w/ Hvy Hail57%—87°73°-4°
- FridayJun 19Thunderstorm57%—78°68°-9°
- SaturdayJun 20Overcast12%—85°63°+7°
- SundayJun 21Thunderstorm35%—91°70°+6°
- MondayJun 22Thunderstorm41%—91°75°0°
AQI 21 (Good), driven by PM2.5. AQI down 16 over the last 6 hours — air quality is improving sharply. PM2.5 at 4.9 µg/m³ (AQI 27) with a 0.92 fine-to-coarse ratio and 1 mph wind — combustion smoke trapped in calm air, not road dust.
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion during the projected peak around 5 PM.
What's driving it
PM × Wind × Precip
PM2.5 at 4.9 µg/m³ (AQI 27) with a 0.92 fine-to-coarse ratio and 1 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.92
- 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).
Cut your thistles before St. John, you will have two instead of one.
- Moonrise
- 7:01 AM
- Moonset
- 9:28 PM
- In sign
- ♋︎ Cancer
Heat settles and the rain begins
Germantown at a glance
- Today vs. normal: 13°F below the seasonal normal for this latitude
- Last frost: March 17 (climatological average for this latitude)
- Microseason: Jun 16–20
- Planting window: Stake and prune tomato suckers. Watch for squash vine borers.
Right now in the garden
Peak growing season
As of June 16, 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 — Germantown
SPC has placed Germantown in the Marginal Risk category for severe thunderstorms day after tomorrow.
- TODAYNONENo severe risk
- TOMORROWNONENo severe risk
- DAY 3MRGLMarginal Risk
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 Germantown
- 38138
- 38139
- 38183