Cleghorn, Iowa Weather
Cicadas claim the afternoon. Day 15 of summer. Read this microseason across nine climate regions →
Cleghorn weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Overcast17%—83°68°—
- SundayJul 5Overcast35%—86°68°+3°
- MondayJul 6Overcast——87°67°+1°
- TuesdayJul 7Light Showers11%—89°69°+2°
- WednesdayJul 8Light Drizzle46%—86°66°-3°
- ThursdayJul 9Light Drizzle46%—76°61°-10°
- FridayJul 10Light Drizzle——84°61°+8°
AQI 45 (Good), driven by Ozone. AQI up 11 over the last 6 hours (gradual rise). Ozone at AQI 38. Overcast through the UV peak window (cloud cover ~65%) — afternoon ozone should stay flat.
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 38. Overcast through the UV peak window (cloud cover ~65%) — afternoon ozone should stay flat.
- Present
- AQI 38
- UV peak
- 0.0 at 1 PM
- Sky at peak
- overcast
- Projected peak
- AQI 5
PM × Wind × Precip
PM2.5 at 5.4 µg/m³ (AQI 30) with a 0.89 fine-to-coarse ratio and 2 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
- 11:43 PM
- Moonset
- 11:35 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Cleghorn at a glance
- Today vs. normal: 9°F above the seasonal normal for this latitude
- Last frost: May 3 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 51014
16-Day Forecast — Cleghorn
- Sat83°68°17%
- Sun86°65°35%
- Mon87°67°1%
- Tue89°69°11%
- Wed86°66°46%
- Thu76°61°46%
- Fri84°61°8%
- Sat77°64°12%
- Sun82°61°6%
- Mon89°65°4%
- Tue92°69°4%
- Wed92°69°8%
- Thu103°75°13%
- Fri95°75°25%
- Sat98°68°29%
- Sun85°63°13%
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 — Cleghorn
SPC includes Cleghorn 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 Cleghorn
- 51014