Weather StoryAlmanac, microseasons, and the day's weather story.

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

Harrington, DE
Saturday, July 4 at 12:20 AM
87
°
Clear
Feels like
94°
Humidity
66%
Wind
9 mph
Sunrise
1:42 AM
Sunset
4:31 PM
Harrington, DE
Hour by hour · 24h
24-Hour ForecastHarrington, DE: 24-hour forecast. Temperatures range from 80 to 105 degrees Fahrenheit with a 20% chance of precipitation at 8 PM.
L 80°H 105°
Harrington, DE
7-day forecast
  1. Today
    Jul 4
    Light Rain
    20%
    0.06″
    105°80°
  2. Sunday
    Jul 5
    Thunderstorm
    55%
    0.69″
    95°72°-10°
  3. Monday
    Jul 6
    T-storm w/ Hail
    67%
    0.09″
    86°71°-9°
  4. Tuesday
    Jul 7
    Thunderstorm
    63%
    79°70°-7°
  5. Wednesday
    Jul 8
    Overcast
    22%
    80°65°+1°
  6. Thursday
    Jul 9
    Light Drizzle
    24%
    0.01″
    82°64°+2°
  7. Friday
    Jul 10
    Overcast
    25%
    90°67°+8°
Harrington, DE
Anemometer · 24h winds · from true
NESW
From · True
SW
217° · veering 6°
Direction
SW
217°
Sustained
9
mph
Gust
18
mph
Peak 24h
21
avg 7
Beaufort · 3 · GENTLE BRZ
0
CALM
<1
1
LIGHT AIR
1–3
2
LIGHT BRZ
4–7
3
GENTLE BRZ
8–12
4
MOD BRZ
13–18
5
FRESH BRZ
19–24
6
STRONG BRZ
25–31
7
NEAR GALE
32–38
24h · sust vs gust · mph
avg 7 · pk 21 @ 1:00a
010203040MPHB1B2B3B4B5B6B7B8-21h-18h-15h-12h-9h-6h-3h-24hNOWpk 355SUSTGUST
−24h−18h−12h−6hnow
Light breeze veering 6° from the sw.
Harrington, DE
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
1012.2
+0.2 mb in 3h · steady · 29.89 inHg
Now
1012.2
mb
3h
+0.2
mb
12h
-2.4
mb
24h
-2.3
mb
Regime · CHANGE
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 10121015
9951000STORM|RAIN10051010RAIN|CHG1015CHG|FAIR10201025FAIR|DRY1030-21h-18h-15h-12h-9h-6h-3h-24hNOW1015.41011.51012.2
−24h−18h−12h−6hnow
Air sits at the threshold — small shifts decide the day.
Harrington, DE
Air quality
84
AQI
Moderate
-18 in 6h

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.

PM 2.5Good
10.7μg/m³
PM 10Good
12μg/m³
NO₂Good
9μg/m³
OzoneDRIVERUnhealthy SG
114μg/m³
UV IndexLow
0.0

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
Harrington, DE
Sky cover · visibility · 24h
Cloud cover
0%
CLEAR
100%0%−24h−18h−12h−6hnow

Visibility
58.9mi
UNLIMITED
104 mi0 mi−24h−18h−12h−6hnow
Earth · GOES-19 ABI
Full Disk · Visible · GeoColor
GOES-19 full disk Visible · GeoColor
True-color daytime, blue/IR sandwich at night
04:20 UTC · Harrington, DE · NOAA NESDIS / STAR · up to 10848 px
Continental US · GOES-19 ABI
CONUS Sector · Visible · GeoColor
GOES-19 CONUS Visible · GeoColor
Daytime true-color, blue-light/IR sandwich at night
04:20 UTC · Harrington, DE · NOAA NESDIS / STAR · 5-min cadence · up to 10000 px
Harrington, DE
Satellite · infrared · animated
Harrington, DE
Loading IR frames…
IR · cloud-top temp© RainViewer · Carto
Harrington, DE
Almanac · Saturday, July 4
If the first of July be rainy weather, 'twill rain more or less for four weeks together.
Civil dawn
5:10 AM
Sunrise
1:42 AM
Daylight
14h 49m
Sunset
4:31 PM
Civil dusk
9:04 PM
Planting note
Harvest early potatoes. Begin drying onions on the surface.
Harrington, DE
The moon
Waning Gibbous
84% illuminated
Moonrise
10:54 PM
Moonset
10:07 AM
In sign
♒︎ Aquarius
Harrington, DE
Microseason
Jul 1–5

Cicadas claim the afternoon

plant
Jan 150% of the yearDec 31

Read this microseason across nine climate regions →

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

  1. Sat105°80°20%
  2. Sun95°72°55%
  3. Mon86°71°67%
  4. Tue79°70°63%
  5. Wed80°65°22%
  6. Thu82°64°24%
  7. Fri90°67°25%
  8. Sat84°69°25%
  9. Sun83°68°25%
  10. Mon85°71°13%
  11. Tue85°72°16%
  12. Wed85°71°30%
  13. Thu86°65°32%
  14. Fri97°69°35%
  15. 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

Climate normals from the Open-Meteo Climate API. Köppen approximation from NOAA NCEI U.S. Climate Regions. See methodology for data sources, editorial rules, and corrections. Maintainer: Brian Tighe.