Garnavillo, Iowa Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Garnavillo weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Light Drizzle39%0.01″84°68°—
- SundayJul 5Overcast22%—82°68°-2°
- MondayJul 6Mostly Clear——80°63°-2°
- TuesdayJul 7Overcast——81°63°+1°
- WednesdayJul 8T-storm w/ Hail41%0.20″81°63°0°
- ThursdayJul 9Showers47%—75°66°-6°
- FridayJul 10Overcast11%—79°61°+4°
AQI 34 (Good), driven by PM2.5. AQI up 5 over the last 6 hours (gradual rise). PM2.5 at 10.6 µg/m³ (AQI 54) with a 0.74 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
Ozone × UV × Sky
Ozone at AQI 36. Overcast through the UV peak window (cloud cover ~95%) — afternoon ozone should stay flat.
- Present
- AQI 36
- UV peak
- 5.5 at 1 PM
- Sky at peak
- overcast
- Projected peak
- AQI 13
PM × Wind × Precip
PM2.5 at 10.6 µg/m³ (AQI 54) with a 0.74 fine-to-coarse ratio and 3 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.74
- 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
- 11:03 PM
- Moonset
- 10:08 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Garnavillo 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: 52049
16-Day Forecast — Garnavillo
- Sat85°68°39%
- Sun82°68°22%
- Mon80°63°4%
- Tue81°63°1%
- Wed81°63°41%
- Thu75°66°47%
- Fri79°61°11%
- Sat83°62°9%
- Sun69°57°11%
- Mon75°52°8%
- Tue78°60°7%
- Wed78°61°19%
- Thu79°65°16%
- Fri82°65°26%
- Sat86°68°32%
- Sun84°70°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 — Garnavillo
SPC includes Garnavillo 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 Garnavillo
- 52049