Collegedale, Tennessee Weather
Heat settles and the rain begins. Day 89 of spring. Read this microseason across nine climate regions →
Collegedale weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 16Overcast——81°62°—
- WednesdayJun 17Light Drizzle14%—86°66°+5°
- ThursdayJun 18Thunderstorm72%0.07″74°68°-12°
- FridayJun 19Thunderstorm70%0.02″79°69°+5°
- SaturdayJun 20Overcast11%—87°61°+8°
- SundayJun 21Light Drizzle27%—90°60°+3°
- MondayJun 22T-storm w/ Hail48%—86°69°-4°
AQI 29 (Good), driven by PM2.5. AQI down 11 over the last 6 hours (gradual decline). PM2.5 at 11.4 µg/m³ (AQI 55) with a 0.98 fine-to-coarse ratio and 2 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.
What's driving it
PM × Wind × Precip
PM2.5 at 11.4 µg/m³ (AQI 55) with a 0.98 fine-to-coarse ratio and 2 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.98
- 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
- 7:42 AM
- Moonset
- 10:08 PM
- In sign
- ♋︎ Cancer
Heat settles and the rain begins
Collegedale at a glance
- Today vs. normal: 15°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.
15-Day Forecast — Collegedale
- Tue81°63°5%
- Wed86°66°14%
- Thu74°68°72%
- Fri79°69°70%
- Sat87°61°11%
- Sun90°60°27%
- Mon86°69°48%
- Tue82°68°39%
- Wed82°69°31%
- Thu85°65°25%
- Fri93°71°45%
- Sat97°70°43%
- Sun99°72°46%
- Mon96°72°55%
- Tue97°72°42%
Forecast data from Open-Meteo (CC BY 4.0).
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 — Collegedale
SPC has placed Collegedale in the General Thunderstorms category for severe thunderstorms tomorrow.
- TODAYNONENo severe risk
- 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 Collegedale
- 37302
- 37363
- 37315