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
- TodayJul 4Light Drizzle33%0.01″86°68°—
- SundayJul 5Overcast33%—90°71°+4°
- MondayJul 6Light Showers41%—90°68°0°
- TuesdayJul 7Drizzle23%—83°65°-7°
- WednesdayJul 8Overcast——86°63°+3°
- ThursdayJul 9Overcast19%—90°64°+4°
- FridayJul 10Mostly Clear52%—90°68°0°
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.
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
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
- 11:27 PM
- Moonset
- 10:47 AM
- In sign
- ♓︎ Pisces
Cicadas claim the scorching afternoon
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
- Sat87°68°33%
- Sun90°71°33%
- Mon90°68°41%
- Tue83°65°23%
- Wed86°63°9%
- Thu90°64°19%
- Fri90°68°52%
- Sat79°68°54%
- Sun74°58°34%
- Mon79°53°17%
- Tue84°56°13%
- Wed86°60°23%
- Thu83°66°52%
- Fri88°66°56%
- Sat85°66°42%
- 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