Harrington, Delaware Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Harrington weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Light Rain20%0.06″105°80°—
- SundayJul 5Thunderstorm55%0.69″95°72°-10°
- MondayJul 6T-storm w/ Hail67%0.09″86°71°-9°
- TuesdayJul 7Thunderstorm63%—79°70°-7°
- WednesdayJul 8Overcast22%—80°65°+1°
- ThursdayJul 9Light Drizzle24%0.01″82°64°+2°
- FridayJul 10Overcast25%—90°67°+8°
AQI 84 (Moderate), driven by Ozone. AQI down 18 over the last 6 hours — air quality is improving sharply. Ozone at AQI 61 now. With UV 3.3 peaking around 1 PM under partly cloudy skies, surface ozone likely climbs to AQI 19 around 1 PM.
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 61 now. With UV 3.3 peaking around 1 PM under partly cloudy skies, surface ozone likely climbs to AQI 19 around 1 PM.
- Present
- AQI 61
- UV peak
- 3.3 at 1 PM
- Sky at peak
- partly cloudy
- Projected peak
- AQI 19
PM × Wind × Precip
PM2.5 at 10.7 µg/m³, PM10 at 12.3 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.87
- Wind
- light
- Recent rain
- 0h 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
- 10:54 PM
- Moonset
- 10:07 AM
- In sign
- ♒︎ Aquarius
Cicadas claim the afternoon
Harrington at a glance
- Today vs. normal: 14°F above the seasonal normal for this latitude
- Last frost: April 10 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 19952
15-Day Forecast — Harrington
- Sat105°80°20%
- Sun95°72°55%
- Mon86°71°67%
- Tue79°70°63%
- Wed80°65°22%
- Thu82°64°24%
- Fri90°67°25%
- Sat84°69°25%
- Sun83°68°25%
- Mon85°71°13%
- Tue85°72°16%
- Wed85°71°30%
- Thu86°65°32%
- Fri97°69°35%
- Sat96°73°31%
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 — Harrington
SPC has placed Harrington in the Slight Risk category for severe thunderstorms today.
- TODAYSLGTSlight Risk
- TOMORROWSLGTSlight Risk
- 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 Harrington
- 19952