Hillsboro, Missouri Weather
Cicadas claim the scorching afternoon. Day 15 of summer. Read this microseason across nine climate regions →
Hillsboro weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 5Light Drizzle19%0.01″86°70°—
- MondayJul 6Overcast——87°69°+1°
- TuesdayJul 7Thunderstorm——85°69°-2°
- WednesdayJul 8Overcast——95°66°+10°
- ThursdayJul 9Light Drizzle38%—101°71°+6°
- FridayJul 10Drizzle43%—92°72°-9°
- SaturdayJul 11Light Drizzle33%—97°70°+5°
AQI 46 (Good), driven by Ozone. Ozone at AQI 100 — 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 100 — peak already passed at 1 PM under overcast skies. Levels should ease through evening.
- Present
- AQI 100
- UV peak
- 4.9 at earlier today
- Sky at peak
- overcast
- Projected peak
- AQI 100
PM × Wind × Precip
PM2.5 at 12.5 µg/m³ (AQI 57) with a 0.84 fine-to-coarse ratio and 2 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.84
- 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
- 11:19 PM
- Moonset
- 11:15 AM
- In sign
- ♓︎ Pisces
Cicadas claim the scorching afternoon
Hillsboro at a glance
- Today vs. normal: 12°F above the seasonal normal for this latitude
- Last frost: April 5 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 63050
16-Day Forecast — Hillsboro
- Sun85°70°19%
- Mon87°69°8%
- Tue85°69°3%
- Wed95°66°4%
- Thu101°71°38%
- Fri92°72°43%
- Sat97°70°33%
- Sun93°67°13%
- Mon89°65°7%
- Tue84°61°5%
- Wed85°59°11%
- Thu92°62°12%
- Fri89°66°30%
- Sat90°67°32%
- Sun93°68°19%
- Mon92°68°24%
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 — Hillsboro
SPC includes Hillsboro in the general thunderstorm area today — no severe risk, but storms are possible.
- TODAYTSTMGeneral Thunderstorms
- TOMORROWTSTMGeneral Thunderstorms
- DAY 3NONENo severe risk
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
- 63050