Worthington, Iowa Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Worthington weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Light Rain67%0.11″82°69°—
- SundayJul 5Overcast11%—82°67°0°
- MondayJul 6Overcast——79°64°-3°
- TuesdayJul 7Overcast——81°61°+2°
- WednesdayJul 8T-storm w/ Hail35%—81°64°0°
- ThursdayJul 9Light Showers43%—79°66°-2°
- FridayJul 10Light Drizzle13%—80°63°+1°
AQI 30 (Good), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 8.8 µg/m³ (AQI 49) with a 0.73 fine-to-coarse ratio and 6 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 44 — peak already passed at 1 PM under overcast skies. Levels should ease through evening.
- Present
- AQI 44
- UV peak
- 4.8 at earlier today
- Sky at peak
- overcast
- Projected peak
- AQI 44
PM × Wind × Precip
PM2.5 at 8.8 µg/m³ (AQI 49) with a 0.73 fine-to-coarse ratio and 6 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.73
- 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
- 11:02 PM
- Moonset
- 10:08 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Worthington at a glance
- Today vs. normal: 13°F above the seasonal normal for this latitude
- Last frost: April 30 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 52078
16-Day Forecast — Worthington
- Sat83°69°67%
- Sun82°67°11%
- Mon79°64°2%
- Tue81°61°3%
- Wed81°64°35%
- Thu79°66°43%
- Fri80°63°13%
- Sat74°60°12%
- Sun76°58°10%
- Mon76°57°7%
- Tue78°59°7%
- Wed76°59°23%
- Thu81°63°26%
- Fri76°66°20%
- Sat75°60°23%
- Sun74°57°23%
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 — Worthington
SPC includes Worthington 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 Worthington
- 52078