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

Helenwood, Tennessee Weather

Cicadas claim the scorching afternoon. Day 14 of summer. Read this microseason across nine climate regions →

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

Helenwood, TN
Saturday, July 4 at 5:18 PM
86
°
Overcast
Feels like
90°
Humidity
53%
Wind
6 mph
Sunrise
2:25 AM
Sunset
4:59 PM
Helenwood, TN
Hour by hour · 24h
24-Hour ForecastHelenwood, TN: 24-hour forecast. Temperatures range from 71 to 90 degrees Fahrenheit with a 33% chance of precipitation at 3 PM.
L 71°H 90°
Helenwood, TN
7-day forecast
  1. Today
    Jul 4
    Light Drizzle
    33%
    0.01″
    86°68°
  2. Sunday
    Jul 5
    Overcast
    33%
    90°71°+4°
  3. Monday
    Jul 6
    Light Showers
    41%
    90°68°
  4. Tuesday
    Jul 7
    Drizzle
    23%
    83°65°-7°
  5. Wednesday
    Jul 8
    Overcast
    86°63°+3°
  6. Thursday
    Jul 9
    Overcast
    19%
    90°64°+4°
  7. Friday
    Jul 10
    Mostly Clear
    52%
    90°68°
Helenwood, TN
Anemometer · 24h winds · from true
NESW
From · True
WSW
238° · veering 168°
Direction
WSW
238°
Sustained
6
mph
Gust
8
mph
Peak 24h
25
avg 4
Beaufort · 2 · LIGHT 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 25 @ 9:00p
010MPHB1B2B3B4-21h-18h-15h-12h-9h-6h-3h-24hNOWpk 73SUSTGUST
−24h−18h−12h−6hnow
A whisper of wind — leaves barely shift on the trees.
Helenwood, TN
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
967.1
-1.9 mb in 3h · falling · 28.56 inHg
Now
967.1
mb
3h
-1.9
mb
12h
-1.2
mb
24h
-2.9
mb
Regime · STORM
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 967971
960965970975980-21h-18h-15h-12h-9h-6h-3h-24hNOW971.1967.0967.2
−24h−18h−12h−6hnow
Deep low still deepening — rough seas, strong wind, persistent rain.
Helenwood, TN
Air quality
38
AQI
Good
+15 in 6hPeak ~44 @ 11 PM

AQI 38 (Good), driven by Ozone. AQI up 15 in the last 6 hours — air quality is degrading. Ozone at AQI 49 — 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.

PM 2.5Good
6.9μg/m³
PM 10Good
8μg/m³
NO₂Good
1μg/m³
OzoneDRIVERUnhealthy SG
104μg/m³
UV IndexModerate
3.5

What's driving it

Ozone × UV × Sky

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

Present
AQI 49
UV peak
3.0 at earlier today
Sky at peak
partly cloudy
Projected peak
AQI 49

PM × Wind × Precip

PM2.5 at 6.9 µg/m³ (AQI 38) with a 0.90 fine-to-coarse ratio and 6 mph wind — combustion smoke trapped in calm air, not road dust.

PM2.5/PM10
0.90
Wind
light
Recent rain
0h in last 6h
Pattern
stagnant smoke
Helenwood, TN
Sky cover · visibility · 24h
Cloud cover
100%
OVERCAST
100%0%−24h−18h−12h−6hnow

Visibility
70.3mi
UNLIMITED
80 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
21:18 UTC · Helenwood, 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
21:18 UTC · Helenwood, TN · NOAA NESDIS / STAR · 5-min cadence · up to 10000 px
Helenwood, TN
Satellite · infrared · animated
Helenwood, TN
Loading IR frames…
IR · cloud-top temp© RainViewer · Carto
Helenwood, TN
Almanac · Saturday, July 4
If the first of July be rainy weather, 'twill rain more or less for four weeks together.
Civil dawn
5:56 AM
Sunrise
2:25 AM
Daylight
14h 34m
Sunset
4:59 PM
Civil dusk
9:31 PM
Planting note
Harvest early potatoes. Begin drying onions on the surface.
Helenwood, TN
The moon
Waning Gibbous
78% illuminated
Moonrise
11:27 PM
Moonset
10:47 AM
In sign
♓︎ Pisces
Helenwood, TN
Microseason
Jul 1–5

Cicadas claim the scorching afternoon

bird
Jan 151% of the yearDec 31

Read this microseason across nine climate regions →

Helenwood at a glance

  • Today vs. normal: 11°F above the seasonal normal for this latitude
  • Last frost: March 26 (climatological average for this latitude)
  • Microseason: Jul 1–5
  • Planting window: Harvest early potatoes. Begin drying onions on the surface.

ZIP code: 37755

16-Day Forecast — Helenwood

  1. Sat87°68°33%
  2. Sun90°71°33%
  3. Mon90°68°41%
  4. Tue83°65°23%
  5. Wed86°63°9%
  6. Thu90°64°19%
  7. Fri90°68°52%
  8. Sat79°68°54%
  9. Sun74°58°34%
  10. Mon79°53°17%
  11. Tue84°56°13%
  12. Wed86°60°23%
  13. Thu83°66°52%
  14. Fri88°66°56%
  15. Sat85°66°42%
  16. Sun83°66°66%

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 — Helenwood

SPC has placed Helenwood 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 Helenwood

  • 37755

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.