Huntsville, Tennessee Weather
Cicadas claim the scorching afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Huntsville weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Light Drizzle32%—87°68°—
- SundayJul 5Rain29%0.13″89°71°+2°
- MondayJul 6Light Showers57%—90°69°+1°
- TuesdayJul 7Drizzle26%—83°65°-7°
- WednesdayJul 8Overcast32%—86°63°+3°
- ThursdayJul 9Overcast42%—90°64°+4°
- FridayJul 10Mostly Clear56%—90°68°0°
AQI 34 (Good), driven by Ozone. AQI up 11 over the last 6 hours (gradual rise). Ozone at AQI 48 — peak already passed at 1 PM under overcast 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 48 — peak already passed at 1 PM under overcast skies. Levels should ease through evening.
- Present
- AQI 48
- UV peak
- 4.5 at earlier today
- Sky at peak
- overcast
- Projected peak
- AQI 48
PM × Wind × Precip
PM2.5 at 5.7 µg/m³ (AQI 32) with a 0.89 fine-to-coarse ratio and 3 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.89
- 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
- 11:27 PM
- Moonset
- 10:47 AM
- In sign
- ♓︎ Pisces
Cicadas claim the scorching afternoon
Huntsville at a glance
- Today vs. normal: 12°F above the seasonal normal for this latitude
- Last frost: March 25 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 37756
16-Day Forecast — Huntsville
- Sat86°68°32%
- Sun89°71°29%
- Mon90°69°57%
- Tue83°65°26%
- Wed86°63°32%
- Thu90°64°42%
- Fri90°68°56%
- Sat79°68°53%
- Sun74°58°34%
- Mon79°53°14%
- 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 — Huntsville
SPC has placed Huntsville 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 Huntsville
- 37756
- 37755