Germantown, Tennessee Weather
Cicadas claim the scorching afternoon. Day 15 of summer. Read this microseason across nine climate regions →
Germantown weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Light Drizzle41%0.03″93°75°—
- SundayJul 5Overcast21%—90°75°-3°
- MondayJul 6Drizzle35%—90°73°0°
- TuesdayJul 7Overcast13%—90°71°0°
- WednesdayJul 8Overcast——95°70°+5°
- ThursdayJul 9Overcast17%—97°74°+2°
- FridayJul 10Overcast29%—95°78°-2°
AQI 77 (Moderate), driven by PM2.5. AQI up 36 in the last 6 hours — air quality is degrading. PM2.5 at 11.9 µg/m³, PM10 at 13.9 µg/m³ — typical background levels with no transport signature.
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 49. Overcast through the UV peak window (cloud cover ~80%) — afternoon ozone should stay flat.
- Present
- AQI 49
- UV peak
- 0.0 at 1 PM
- Sky at peak
- overcast
- Projected peak
- AQI 6
PM × Wind × Precip
PM2.5 at 11.9 µg/m³, PM10 at 13.9 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).
If the first of July be rainy weather, 'twill rain more or less for four weeks together.
- Moonrise
- 11:14 PM
- Moonset
- 11:12 AM
- In sign
- ♓︎ Pisces
Cicadas claim the scorching afternoon
Germantown at a glance
- Today vs. normal: 79°F — typical for the season
- Last frost: March 17 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP codes: 38138, 38139
16-Day Forecast — Germantown
- Sat93°75°41%
- Sun90°76°21%
- Mon90°73°35%
- Tue90°71°13%
- Wed95°70°7%
- Thu97°74°17%
- Fri95°78°29%
- Sat94°74°30%
- Sun73°67°24%
- Mon84°65°11%
- Tue88°70°11%
- Wed91°73°13%
- Thu96°74°24%
- Fri96°77°26%
- Sat96°76°23%
- Sun96°77°24%
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 — Germantown
SPC has placed Germantown 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 Germantown
- 38138
- 38139
- 38183