Hillsboro, Tennessee Weather
Thunderheads boil and break at dusk. Day 16 of summer. Read this microseason across nine climate regions →
Hillsboro weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 5Light Drizzle66%0.02″86°71°—
- MondayJul 6Overcast29%—84°71°-2°
- TuesdayJul 7Drizzle47%—87°70°+3°
- WednesdayJul 8Heavy Drizzle35%—86°69°-1°
- ThursdayJul 9Thunderstorm33%—87°68°+1°
- FridayJul 10Thunderstorm50%0.01″88°69°+1°
- SaturdayJul 11Drizzle62%—90°69°+2°
AQI 48 (Good), driven by PM2.5. AQI flat over the last 6 hours (within ±4 points). PM2.5 at 9.3 µg/m³ (AQI 51) with a 0.97 fine-to-coarse ratio and 3 mph wind — combustion smoke trapped in calm air, not road dust.
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 35. Overcast through the UV peak window (cloud cover ~83%) — afternoon ozone should stay flat.
- Present
- AQI 35
- UV peak
- 0.0 at 1 PM
- Sky at peak
- overcast
- Projected peak
- AQI 4
PM × Wind × Precip
PM2.5 at 9.3 µg/m³ (AQI 51) with a 0.97 fine-to-coarse ratio and 3 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.97
- 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).








































When the stars begin to huddle, the earth will soon become a puddle.
- Moonrise
- 11:25 PM
- Moonset
- 12:02 PM
- In sign
- ♓︎ Pisces
Thunderheads boil and break at dusk
Hillsboro at a glance
- Today vs. normal: 77°F — typical for the season
- Last frost: March 19 (climatological average for this latitude)
- Microseason: Jul 6–10
- Planting window: Sow fall broccoli and cabbage indoors for transplant in 4 weeks.
ZIP code: 37342
16-Day Forecast — Hillsboro
- Sun86°71°66%
- Mon84°71°29%
- Tue87°70°47%
- Wed86°69°35%
- Thu87°68°33%
- Fri88°69°50%
- Sat90°69°62%
- Sun86°69°50%
- Mon84°71°25%
- Tue90°71°14%
- Wed85°64°7%
- Thu82°59°39%
- Fri88°64°42%
- Sat86°67°42%
- Sun82°67°40%
- Mon81°68°53%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Peak growing season
As of July 6, 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 — Hillsboro
SPC includes Hillsboro in the general thunderstorm area today — no severe risk, but storms are possible.
- TODAYTSTMGeneral Thunderstorms
- TOMORROWTSTMGeneral Thunderstorms
- DAY 3TSTMGeneral Thunderstorms
Thunderstorms possible. Not severe, but capable of producing lightning and brief heavy rain.
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 Hillsboro
- 37342