Clinton, Iowa Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Clinton weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Rain41%0.14″84°69°—
- SundayJul 5Overcast26%—84°68°0°
- MondayJul 6Partly Cloudy——81°63°-3°
- TuesdayJul 7Overcast——80°59°-1°
- WednesdayJul 8Overcast10%—82°61°+2°
- ThursdayJul 9Heavy Drizzle44%0.02″81°69°-1°
- FridayJul 10Overcast19%—80°64°-1°
AQI 23 (Good), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 8.0 µg/m³, PM10 at 11.3 µg/m³ — typical background levels with no transport signature.
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion during the projected peak around 9 PM.
What's driving it
Ozone × UV × Sky
Ozone at AQI 32. Overcast through the UV peak window (cloud cover ~72%) — afternoon ozone should stay flat.
- Present
- AQI 32
- UV peak
- 2.7 at 1 PM
- Sky at peak
- overcast
- Projected peak
- AQI 6
PM × Wind × Precip
PM2.5 at 8.0 µg/m³, PM10 at 11.3 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.71
- Wind
- light
- Recent rain
- 0h in last 6h
- Pattern
- background
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
- 10:58 PM
- Moonset
- 10:05 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Clinton at a glance
- Today vs. normal: 4°F above the seasonal normal for this latitude
- Last frost: April 27 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 52732
16-Day Forecast — Clinton
- Sat84°69°41%
- Sun84°68°26%
- Mon81°63°3%
- Tue80°59°1%
- Wed82°61°10%
- Thu81°69°44%
- Fri80°64°19%
- Sat83°65°18%
- Sun68°59°8%
- Mon75°56°7%
- Tue76°60°7%
- Wed80°64°17%
- Thu82°66°16%
- Fri83°68°23%
- Sat85°69°32%
- Sun86°71°35%
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 — Clinton
SPC includes Clinton 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 Clinton
- 52732
- 52733
- 52734
- 52736