Marble Rock, Iowa Weather
Cicadas claim the afternoon. Day 15 of summer. Read this microseason across nine climate regions →
Marble Rock weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Light Rain40%0.10″82°69°—
- SundayJul 5Overcast10%—82°64°0°
- MondayJul 6Light Drizzle——84°66°+2°
- TuesdayJul 7Overcast12%—84°66°0°
- WednesdayJul 8Thunderstorm47%—79°65°-5°
- ThursdayJul 9Overcast47%—77°59°-2°
- FridayJul 10Overcast——81°61°+4°
AQI 42 (Good), driven by Ozone. AQI up 7 over the last 6 hours (gradual rise). Ozone at AQI 33 now. With UV 0.0 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 8 around 1 PM.
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 33 now. With UV 0.0 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 8 around 1 PM.
- Present
- AQI 33
- UV peak
- 0.0 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 8
PM × Wind × Precip
PM2.5 at 4.8 µg/m³ (AQI 27) with a 0.83 fine-to-coarse ratio and 3 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.83
- 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
- 11:32 PM
- Moonset
- 11:23 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Marble Rock at a glance
- Today vs. normal: 3°F above the seasonal normal for this latitude
- Last frost: May 4 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 50653
16-Day Forecast — Marble Rock
- Sat82°69°40%
- Sun82°64°10%
- Mon84°66°4%
- Tue84°66°12%
- Wed79°65°47%
- Thu77°59°47%
- Fri81°61°7%
- Sat76°61°9%
- Sun75°56°9%
- Mon82°60°9%
- Tue87°66°3%
- Wed81°62°15%
- Thu86°67°16%
- Fri88°72°23%
- Sat87°67°26%
- Sun80°61°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 — Marble Rock
SPC includes Marble Rock 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 Marble Rock
- 50653