Afton, Iowa Weather
Cicadas claim the afternoon. Day 15 of summer. Read this microseason across nine climate regions →
Afton weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Drizzle81%0.03″84°70°—
- SundayJul 5Overcast11%—90°67°+6°
- MondayJul 6Overcast——90°67°0°
- TuesdayJul 7Overcast——84°65°-6°
- WednesdayJul 8T-storm w/ Hail31%—87°67°+3°
- ThursdayJul 9Showers47%0.02″79°68°-8°
- FridayJul 10Light Drizzle27%—81°67°+2°
AQI 40 (Good), driven by PM2.5. AQI up 9 over the last 6 hours (gradual rise). PM2.5 at 5.5 µg/m³ (AQI 31) with a 0.87 fine-to-coarse ratio and 3 mph wind — combustion smoke trapped in calm 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 5.5 µg/m³ (AQI 31) with a 0.87 fine-to-coarse ratio and 3 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.87
- 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
- 11:36 PM
- Moonset
- 11:29 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Afton at a glance
- Today vs. normal: 6°F above the seasonal normal for this latitude
- Last frost: April 22 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 50830
16-Day Forecast — Afton
- Sat84°70°81%
- Sun90°67°11%
- Mon90°67°1%
- Tue84°65°1%
- Wed87°67°31%
- Thu79°68°47%
- Fri81°67°27%
- Sat77°64°9%
- Sun77°61°5%
- Mon82°61°3%
- Tue87°66°6%
- Wed83°68°7%
- Thu89°72°19%
- Fri92°72°13%
- Sat91°74°14%
- Sun87°67°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 — Afton
SPC includes Afton 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 Afton
- 50830