Derby, Ohio Weather
Fireflies pulse through the magnolias. Day 77 of spring. Read this microseason across nine climate regions →
Derby weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 4Partly Cloudy——83°52°—
- FridayJun 5Overcast——86°61°+3°
- SaturdayJun 6Heavy Drizzle59%0.03″81°68°-5°
- SundayJun 7Showers59%—80°66°-1°
- MondayJun 8Heavy Drizzle15%—80°62°0°
- TuesdayJun 9Overcast17%—76°67°-4°
- WednesdayJun 10Drizzle20%—78°64°+2°
Ozone at AQI 86 — peak already passed at 1 PM under clear skies. AQI up 40 in the last 6 hours — air quality is degrading. Levels should ease through evening.
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 86 — peak already passed at 1 PM under clear skies. Levels should ease through evening.
- Present
- AQI 86
- UV peak
- 3.0 at earlier today
- Sky at peak
- clear
- Projected peak
- AQI 86
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
- 4:00 AM
- Moonset
- 1:34 PM
- In sign
- ♒︎ Aquarius
Fireflies pulse through the magnolias
Derby at a glance
- Today vs. normal: 8°F above the seasonal normal for this latitude
- Last frost: April 15 (climatological average for this latitude)
- Microseason: Jun 1–5
- Planting window: Harvest spring lettuce before it bolts. Sow heat-tolerant greens.
Right now in the garden
Peak growing season
As of June 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 — Derby
SPC has placed Derby in the Slight Risk category for severe thunderstorms day after tomorrow.
- TODAYNONENo severe risk
- 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.