Hockessin, Delaware Weather
Fireflies rise from the lawn. Day 77 of spring. Read this microseason across nine climate regions →
Hockessin weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 4Overcast——87°56°—
- FridayJun 5Overcast——90°61°+3°
- SaturdayJun 6Light Showers33%—87°63°-3°
- SundayJun 7Light Showers33%—86°67°-1°
- MondayJun 8Light Drizzle——76°61°-10°
- TuesdayJun 9Mostly Clear——80°56°+4°
- WednesdayJun 10Mostly Clear10%—86°61°+6°
Ozone at AQI 500 now. AQI up 5 over the last 6 hours (gradual rise). With UV 8.2 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 545 by mid-afternoon.
AVOID OUTDOORS Avoid outdoor exertion. Keep windows closed; use HEPA filtration indoors if available.
What's driving it
Ozone × UV × Sky
Ozone at AQI 500 now. With UV 8.2 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 545 by mid-afternoon.
- Present
- AQI 500
- UV peak
- 8.2 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 545
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
- 3:30 AM
- Moonset
- 1:03 PM
- In sign
- ♒︎ Aquarius
Fireflies rise from the lawn
Hockessin 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 — Hockessin
SPC has placed Hockessin in the General Thunderstorms category for severe thunderstorms day after tomorrow.
- TODAYNONENo severe risk
- TOMORROWNONENo severe risk
- DAY 3TSTMGeneral Thunderstorms
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.