Collegedale, Tennessee Weather
Cicadas claim the scorching afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Collegedale weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Overcast14%—96°70°—
- SundayJul 5Overcast22%—95°74°-1°
- MondayJul 6Thunderstorm57%—91°71°-4°
- TuesdayJul 7Overcast36%—92°69°+1°
- WednesdayJul 8Overcast35%—93°67°+1°
- ThursdayJul 9Overcast36%—96°66°+3°
- FridayJul 10Light Drizzle52%—94°70°-2°
AQI 53 (Moderate), driven by Ozone. Ozone at AQI 76 now. With UV 8.4 peaking around 1 PM under partly cloudy skies, surface ozone likely climbs to AQI 60 around 1 PM.
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 76 now. With UV 8.4 peaking around 1 PM under partly cloudy skies, surface ozone likely climbs to AQI 60 around 1 PM.
- Present
- AQI 76
- UV peak
- 8.4 at 1 PM
- Sky at peak
- partly cloudy
- Projected peak
- AQI 60
PM × Wind × Precip
PM2.5 at 13.7 µg/m³ (AQI 60) with a 0.91 fine-to-coarse ratio and 3 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.91
- 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
- 11:28 PM
- Moonset
- 10:51 AM
- In sign
- ♓︎ Pisces
Cicadas claim the scorching afternoon
Collegedale at a glance
- Today vs. normal: 15°F above the seasonal normal for this latitude
- 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 code: 37315
16-Day Forecast — Collegedale
- Sat96°70°14%
- Sun95°74°22%
- Mon91°71°57%
- Tue92°69°36%
- Wed93°67°35%
- Thu96°66°36%
- Fri94°70°52%
- Sat87°70°54%
- Sun86°66°36%
- Mon84°59°16%
- Tue85°60°16%
- Wed88°63°24%
- Thu87°68°29%
- Fri91°68°24%
- Sat85°70°35%
- Sun82°69°42%
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 — Collegedale
SPC has placed Collegedale 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 Collegedale
- 37302
- 37363
- 37315