Hillsboro, Iowa 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 5Overcast16%—86°71°—
- MondayJul 6Partly Cloudy——87°66°+1°
- TuesdayJul 7Overcast——89°66°+2°
- WednesdayJul 8Overcast——86°67°-3°
- ThursdayJul 9Light Drizzle38%0.01″82°70°-4°
- FridayJul 10Thunderstorm34%0.04″85°69°+3°
- SaturdayJul 11Light Drizzle23%—79°71°-6°
AQI 40 (Good), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 4.8 µg/m³ (AQI 27) with a 0.91 fine-to-coarse ratio and 3 mph wind — combustion smoke trapped in stagnant 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
PM × Wind × Precip
PM2.5 at 4.8 µg/m³ (AQI 27) with a 0.91 fine-to-coarse ratio and 3 mph wind — combustion smoke trapped in stagnant air, not road dust.
- PM2.5/PM10
- 0.91
- 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
- 11:48 PM
- Moonset
- 12:27 PM
- In sign
- ♓︎ Pisces
Thunderheads boil and break at dusk
Hillsboro at a glance
- Today vs. normal: 5°F above the seasonal normal for this latitude
- Last frost: April 21 (climatological average for this latitude)
- Microseason: Jul 6–10
- Planting window: Sow fall broccoli and cabbage indoors for transplant in 4 weeks.
ZIP code: 52630
16-Day Forecast — Hillsboro
- Sun86°71°16%
- Mon87°65°0%
- Tue89°66°0%
- Wed86°67°3%
- Thu82°70°38%
- Fri85°69°34%
- Sat79°71°23%
- Sun87°70°10%
- Mon92°71°4%
- Tue83°69°3%
- Wed81°64°10%
- Thu79°63°12%
- Fri82°65°29%
- Sat76°66°16%
- Sun80°62°19%
- Mon83°65°19%
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
- TOMORROWNONENo severe risk
- 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
- 52630