Arden, Delaware Weather
Cicadas claim the afternoon. Day 15 of summer. Read this microseason across nine climate regions →
Arden weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Heavy Drizzle41%0.04″98°75°—
- SundayJul 5Rain54%0.33″92°74°-6°
- MondayJul 6Heavy Showers94%2.1″81°69°-11°
- TuesdayJul 7Light Showers85%—72°67°-9°
- WednesdayJul 8Overcast26%—77°65°+5°
- ThursdayJul 9Light Drizzle12%—90°65°+13°
- FridayJul 10Light Drizzle41%0.02″91°72°+1°
AQI 93 (Moderate), driven by Ozone. AQI flat over the last 6 hours (within ±3 points). Ozone at AQI 55. Overcast through the UV peak window (cloud cover ~100%) — afternoon ozone should stay flat.
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 55. Overcast through the UV peak window (cloud cover ~100%) — afternoon ozone should stay flat.
- Present
- AQI 55
- UV peak
- 0.0 at 1 PM
- Sky at peak
- overcast
- Projected peak
- AQI 7
PM × Wind × Precip
PM2.5 at 7.7 µg/m³, PM10 at 8.0 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.96
- Wind
- breezy
- Recent rain
- 1h in last 6h
- Pattern
- background
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
- 11:19 PM
- Moonset
- 11:11 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Arden at a glance
- Today vs. normal: 5°F above the seasonal normal for this latitude
- Last frost: April 15 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
16-Day Forecast — Arden
- Sat98°75°41%
- Sun92°74°54%
- Mon81°69°94%
- Tue72°67°85%
- Wed77°65°26%
- Thu90°65°12%
- Fri91°72°41%
- Sat87°66°36%
- Sun76°65°29%
- Mon85°62°22%
- Tue87°62°16%
- Wed89°66°26%
- Thu88°69°30%
- Fri91°67°32%
- Sat88°69°29%
- Sun93°74°36%
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 — Arden
SPC has placed Arden in the Slight Risk category for severe thunderstorms today.
- TODAYSLGTSlight Risk
- TOMORROWSLGTSlight Risk
- DAY 3TSTMGeneral Thunderstorms
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 Arden
- 19810