Hartley, Iowa Weather
Cicadas claim the afternoon. Day 15 of summer. Read this microseason across nine climate regions →
Hartley weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Foggy18%—83°67°—
- SundayJul 5Foggy28%—87°66°+4°
- MondayJul 6Overcast——90°67°+3°
- TuesdayJul 7Light Showers17%—88°69°-2°
- WednesdayJul 8Heavy Drizzle37%0.01″81°66°-7°
- ThursdayJul 9Light Drizzle37%—75°60°-6°
- FridayJul 10Light Drizzle——83°60°+8°
AQI 45 (Good), driven by Ozone. AQI up 6 over the last 6 hours (gradual rise). Ozone at AQI 38 now. With UV 0.0 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 9 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 38 now. With UV 0.0 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 9 around 1 PM.
- Present
- AQI 38
- UV peak
- 0.0 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 9
PM × Wind × Precip
PM2.5 at 5.5 µg/m³ (AQI 31) with a 0.87 fine-to-coarse ratio and 5 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.87
- Wind
- light
- 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
- 11:43 PM
- Moonset
- 11:34 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Hartley at a glance
- Today vs. normal: 7°F above the seasonal normal for this latitude
- Last frost: May 5 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 51346
16-Day Forecast — Hartley
- Sat83°67°18%
- Sun87°66°28%
- Mon90°67°2%
- Tue88°69°17%
- Wed81°66°37%
- Thu75°60°37%
- Fri83°60°6%
- Sat75°62°12%
- Sun82°60°7%
- Mon88°66°4%
- Tue88°68°3%
- Wed84°66°8%
- Thu102°72°13%
- Fri89°71°25%
- Sat94°64°29%
- Sun82°60°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 — Hartley
SPC includes Hartley 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 Hartley
- 51346