Cowan, Tennessee Weather
Cicadas claim the scorching afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Cowan weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Overcast11%—90°71°—
- SundayJul 5Heavy Rain24%0.31″90°73°0°
- MondayJul 6Light Showers66%—84°71°-6°
- TuesdayJul 7Overcast20%—84°68°0°
- WednesdayJul 8Overcast15%—86°65°+2°
- ThursdayJul 9Overcast24%—88°65°+2°
- FridayJul 10Thunderstorm60%—87°70°-1°
AQI 60 (Moderate), driven by Ozone. AQI up 14 over the last 6 hours (gradual rise). Ozone at AQI 73 — peak already passed at 1 PM under partly cloudy 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 73 — peak already passed at 1 PM under partly cloudy skies. Levels should ease through evening.
- Present
- AQI 73
- UV peak
- 3.6 at earlier today
- Sky at peak
- partly cloudy
- Projected peak
- AQI 73
PM × Wind × Precip
PM2.5 at 11.0 µg/m³ (AQI 55) with a 0.84 fine-to-coarse ratio and 4 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.84
- 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
- 10:32 PM
- Moonset
- 9:55 AM
- In sign
- ♓︎ Pisces
Cicadas claim the scorching afternoon
Cowan at a glance
- Today vs. normal: 14°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: 37318
16-Day Forecast — Cowan
- Sat90°71°11%
- Sun90°73°24%
- Mon84°71°66%
- Tue84°68°20%
- Wed86°65°15%
- Thu88°65°24%
- Fri87°70°60%
- Sat80°68°57%
- Sun77°60°36%
- Mon78°55°16%
- Tue81°58°20%
- Wed84°62°40%
- Thu79°67°39%
- Fri86°68°71%
- Sat81°70°65%
- Sun82°69°58%
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 — Cowan
SPC has placed Cowan 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 Cowan
- 37318