Marysville, Iowa Weather
Cicadas claim the afternoon. Day 15 of summer. Read this microseason across nine climate regions →
Marysville weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 5Overcast12%—87°68°—
- MondayJul 6Clear——89°67°+2°
- TuesdayJul 7Overcast——84°64°-5°
- WednesdayJul 8Thunderstorm33%—87°65°+3°
- ThursdayJul 9Thunderstorm61%0.06″78°66°-9°
- FridayJul 10Overcast27%—82°63°+4°
- SaturdayJul 11Light Drizzle—0.02″82°68°0°
AQI 37 (Good), driven by Ozone. AQI down 5 over the last 6 hours (gradual decline). Ozone at AQI 36 now. With UV 3.3 peaking around 1 PM under partly cloudy skies, surface ozone likely climbs to AQI 11 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 36 now. With UV 3.3 peaking around 1 PM under partly cloudy skies, surface ozone likely climbs to AQI 11 around 1 PM.
- Present
- AQI 36
- UV peak
- 3.3 at 1 PM
- Sky at peak
- partly cloudy
- Projected peak
- AQI 11
PM × Wind × Precip
PM2.5 at 5.0 µg/m³ (AQI 28) with a 0.89 fine-to-coarse ratio and 3 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
- 11:31 PM
- Moonset
- 11:24 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Marysville at a glance
- Today vs. normal: 71°F — typical for the season
- Last frost: April 23 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
15-Day Forecast — Marysville
- Sun87°68°12%
- Mon89°67°2%
- Tue84°64°2%
- Wed87°65°33%
- Thu78°66°61%
- Fri82°63°27%
- Sat82°68°6%
- Sun86°69°7%
- Mon87°70°6%
- Tue89°72°3%
- Wed85°68°7%
- Thu87°70°16%
- Fri85°69°16%
- Sat85°67°7%
- Sun89°69°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 — Marysville
SPC includes Marysville 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 Marysville
- 50116