Weather StoryAlmanac, microseasons, and the day's weather story.

Cowan, Tennessee Weather

Cicadas claim the scorching afternoon. Day 15 of summer. Read this microseason across nine climate regions →

Cowan weather forecast — hour by hour, 7-day outlook, NOAA radar

Cowan, TN
Sunday, July 5 at 4:29 PM
80
°
Overcast
Feels like
89°
Humidity
86%
Wind
8 mph
Sunrise
12:35 AM
Sunset
3:01 PM
Cowan, TN
Hour by hour · 24h
24-Hour ForecastCowan, TN: 24-hour forecast. Temperatures range from 71 to 84 degrees Fahrenheit with a 42% chance of precipitation at 4 PM.
L 71°H 84°
Cowan, TN
7-day forecast
  1. Today
    Jul 5
    Light Drizzle
    65%
    0.02″
    87°72°
  2. Monday
    Jul 6
    Heavy Showers
    36%
    2.1″
    84°71°-3°
  3. Tuesday
    Jul 7
    Light Drizzle
    40%
    87°72°+3°
  4. Wednesday
    Jul 8
    Light Showers
    32%
    86°69°-1°
  5. Thursday
    Jul 9
    Thunderstorm
    34%
    87°68°+1°
  6. Friday
    Jul 10
    Thunderstorm
    42%
    85°70°-2°
  7. Saturday
    Jul 11
    Light Drizzle
    56%
    89°70°+4°
Cowan, TN
Anemometer · 24h winds · from true
NESW
From · True
N
349° · veering 160°
Direction
N
349°
Sustained
8
mph
Gust
12
mph
Peak 24h
24
avg 4
Beaufort · 3 · GENTLE BRZ
0
CALM
<1
1
LIGHT AIR
1–3
2
LIGHT BRZ
4–7
3
GENTLE BRZ
8–12
4
MOD BRZ
13–18
5
FRESH BRZ
19–24
6
STRONG BRZ
25–31
7
NEAR GALE
32–38
24h · sust vs gust · mph
avg 4 · pk 24 @ 12:00p
010MPHB1B2B3B4-21h-18h-15h-12h-9h-6h-3h-24hNOWpk 122SUSTGUST
−24h−18h−12h−6hnow
Light breeze veering 160° from the n.
Cowan, TN
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
980.3
0.0 mb in 3h · steady · 28.95 inHg
Now
980.3
mb
3h
0.0
mb
12h
+0.5
mb
24h
+0.3
mb
Regime · STORM
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 979981
975980985990-21h-18h-15h-12h-9h-6h-3h-24hNOW981.3979.0980.7
−24h−18h−12h−6hnow
Deep low — expect rough seas, strong wind, and persistent rain.
Cowan, TN
Air quality
47
AQI
Good
+15 in 6h

AQI 47 (Good), driven by PM2.5. AQI up 15 in the last 6 hours — air quality is degrading. PM scrubbed by 2 hours of recent rain — PM2.5 down to 9.9 µg/m³, PM10 to 10.7 µg/m³.

OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion.

PM 2.5DRIVERGood
9.9μg/m³
PM 10Good
11μg/m³
NO₂Good
1μg/m³
OzoneUnhealthy SG
104μg/m³
UV IndexModerate
3.2

What's driving it

Ozone × UV × Sky

Ozone at AQI 49 — peak already passed at 1 PM under overcast skies. Levels should ease through evening.

Present
AQI 49
UV peak
2.9 at earlier today
Sky at peak
overcast
Projected peak
AQI 49

PM × Wind × Precip

PM scrubbed by 2 hours of recent rain — PM2.5 down to 9.9 µg/m³, PM10 to 10.7 µg/m³.

PM2.5/PM10
0.93
Wind
light
Recent rain
2h in last 6h
Pattern
washed out
Cowan, TN
Sky cover · visibility · 24h
Cloud cover
100%
OVERCAST
100%0%−24h−18h−12h−6hnow

Visibility
48.5mi
UNLIMITED
65 mi0 mi−24h−18h−12h−6hnow
Earth · GOES-19 ABI
Full Disk · Visible · GeoColor
GOES-19 full disk Visible · GeoColor
True-color daytime, blue/IR sandwich at night
21:29 UTC · Cowan, TN · NOAA NESDIS / STAR · up to 10848 px
Continental US · GOES-19 ABI
CONUS Sector · Visible · GeoColor
GOES-19 CONUS Visible · GeoColor
Daytime true-color, blue-light/IR sandwich at night
21:29 UTC · Cowan, TN · NOAA NESDIS / STAR · 5-min cadence · up to 10000 px
Cowan, TN
Satellite · infrared · animated
Cowan, TN
Loading IR frames…
IR · cloud-top temp© RainViewer · Carto
Cowan, TN
Almanac · Sunday, July 5
If the first of July be rainy weather, 'twill rain more or less for four weeks together.
Civil dawn
5:06 AM
Sunrise
12:35 AM
Daylight
14h 26m
Sunset
3:01 PM
Civil dusk
8:32 PM
Planting note
Harvest early potatoes. Begin drying onions on the surface.
Cowan, TN
The moon
Waning Gibbous
69% illuminated
Moonrise
10:58 PM
Moonset
10:58 AM
In sign
♓︎ Pisces
Cowan, TN
Microseason
Jul 1–5

Cicadas claim the scorching afternoon

plant
Jan 151% of the yearDec 31

Read this microseason across nine climate regions →

Cowan at a glance

  • Today vs. normal: 4°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

  1. Sun87°72°65%
  2. Mon84°70°36%
  3. Tue87°72°40%
  4. Wed86°69°32%
  5. Thu87°68°34%
  6. Fri85°70°42%
  7. Sat89°70°56%
  8. Sun85°69°48%
  9. Mon89°69°24%
  10. Tue76°59°14%
  11. Wed80°58°7%
  12. Thu85°62°41%
  13. Fri85°68°45%
  14. Sat89°68°45%
  15. Sun87°67°48%
  16. Mon87°66°52%

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 — Cowan

SPC has placed Cowan 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 Cowan

  • 37318

Climate normals from the Open-Meteo Climate API. Köppen approximation from NOAA NCEI U.S. Climate Regions. See methodology for data sources, editorial rules, and corrections. Maintainer: Brian Tighe.