Worthington, Iowa Weather
Toward the solstice glow. Day 88 of spring. Read this microseason across nine climate regions →
Worthington weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 15Overcast——73°50°—
- TuesdayJun 16Overcast12%—69°55°-4°
- WednesdayJun 17Showers88%0.42″69°55°0°
- ThursdayJun 18Light Drizzle28%0.02″69°52°0°
- FridayJun 19Light Drizzle——69°46°0°
- SaturdayJun 20Drizzle24%0.22″68°59°-1°
- SundayJun 21Overcast32%—71°56°+3°
AQI 28 (Good), driven by PM2.5. AQI down 7 over the last 6 hours (gradual decline). PM2.5 at 5.7 µg/m³ (AQI 32) with a 0.98 fine-to-coarse ratio and 4 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 5.7 µg/m³ (AQI 32) with a 0.98 fine-to-coarse ratio and 4 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.98
- 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).
A summer fog for fair, a winter fog for rain.
- Moonrise
- 5:27 AM
- Moonset
- 9:03 PM
- In sign
- ♊︎ Gemini
Toward the solstice glow
Worthington at a glance
- Today vs. normal: 21°F below the seasonal normal for this latitude
- Last frost: April 30 (climatological average for this latitude)
- Microseason: Jun 11–15
- Planting window: Stake and prune tomato suckers. Watch for squash vine borers.
15-Day Forecast — Worthington
- Mon73°50°2%
- Tue69°55°12%
- Wed69°55°88%
- Thu69°52°28%
- Fri69°46°3%
- Sat68°59°24%
- Sun71°56°32%
- Mon70°50°28%
- Tue72°57°9%
- Wed77°60°13%
- Thu82°66°21%
- Fri83°63°32%
- Sat87°72°32%
- Sun89°75°39%
- Mon78°67°39%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Peak growing season
As of June 15, 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 has placed Worthington in the Slight Risk category for severe thunderstorms day after tomorrow.
- TODAYTSTMGeneral Thunderstorms
- TOMORROWTSTMGeneral Thunderstorms
- DAY 3SLGTSlight Risk
Scattered severe storms possible. A few tornadoes, hail, and damaging wind gusts possible.
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