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

Wilmington, Delaware Weather

Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →

Wilmington weather forecast — hour by hour, 7-day outlook, NOAA radar

Wilmington, DE
Saturday, July 4 at 2:17 PM
101
°
Clear
Feels like
106°
Humidity
28%
Wind
8 mph
Sunrise
1:39 AM
Sunset
4:33 PM
Wilmington, DE
Hour by hour · 24h
24-Hour ForecastWilmington, DE: 24-hour forecast. Temperatures range from 77 to 102 degrees Fahrenheit with a 22% chance of precipitation at 8 PM.
L 77°H 102°
Wilmington, DE
7-day forecast
  1. Today
    Jul 4
    Overcast
    22%
    —
    102°78°—
  2. Sunday
    Jul 5
    Drizzle
    38%
    0.06″
    95°75°-7°
  3. Monday
    Jul 6
    Thunderstorm
    91%
    0.26″
    75°72°-20°
  4. Tuesday
    Jul 7
    Showers
    74%
    —
    82°69°+7°
  5. Wednesday
    Jul 8
    Light Drizzle
    18%
    0.02″
    79°66°-3°
  6. Thursday
    Jul 9
    Overcast
    16%
    —
    90°68°+11°
  7. Friday
    Jul 10
    Light Drizzle
    36%
    —
    90°72°0°
Wilmington, DE
Next 24 hours · Hot now
HOT 90°70°90°110°12p6p12a6anow 101°high 102°low 77°PRECIP %
Wilmington, DE
Anemometer · 24h winds · from true
NESW
From · True
W
280° · veering 32°
Direction
W
280°
Sustained
8
mph
Gust
12
mph
Peak 24h
14
avg 5
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 5 · pk 14 @ 7:00p
010203040MPHB1B2B3B4B5B6B7B8-21h-18h-15h-12h-9h-6h-3h-24hNOWpk 423SUSTGUST
−24h−18h−12h−6hnow
Light breeze veering 32° from the w.
Wilmington, DE
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
1011.6
-2.1 mb in 3h · falling rapidly · 29.87 inHg
Now
1011.6
mb
3h
-2.1
mb
12h
-1.2
mb
24h
-2.2
mb
Regime · CHANGE
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 1011–1014
9951000STORM|RAIN10051010RAIN|CHG1015CHG|FAIR10201025FAIR|DRY1030-21h-18h-15h-12h-9h-6h-3h-24hNOW1013.91011.01011.7
−24h−18h−12h−6hnow
Pressure slipping through the change line — wetter air on the way.
Wilmington, DE
Air quality
59
AQI
Moderate
↑+7 in 6h▲Peak ~113 @ 11 PM

AQI 59 (Moderate), driven by Ozone. AQI up 7 over the last 6 hours (gradual rise). Ozone at AQI 106 now. With UV 8.3 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 117 around 1 PM.

OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion.

PM 2.5Good
6.9μg/m³
PM 10Good
7μg/m³
NO₂Good
1μg/m³
OzoneDRIVERUnhealthy
142μg/m³
UV IndexVery high
8.3

What's driving it

Ozone × UV × Sky

Ozone at AQI 106 now. With UV 8.3 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 117 around 1 PM.

Present
AQI 106
UV peak
8.3 at 1 PM
Sky at peak
clear
Projected peak
AQI 117

PM × Wind × Precip

PM2.5 at 6.9 µg/m³, PM10 at 7.4 µg/m³ — typical background levels with no transport signature.

PM2.5/PM10
0.93
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).

7-DAY AQI TREND50100SATSUNMONTUEWEDTHUFRISAT7-DAY PM2.5 TREND · μg/m³320
Wilmington, DE
Sky cover · visibility · 24h
Cloud cover
0%
CLEAR
100%0%−24h−18h−12h−6hnow
Visibility
131.5mi
UNLIMITED
132 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
18:17 UTC · Wilmington, 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
18:17 UTC · Wilmington, DE · NOAA NESDIS / STAR · 5-min cadence · up to 10000 px
Wilmington, DE
Satellite · infrared · animated
Wilmington, DE
Loading IR frames…
IR · cloud-top temp© RainViewer · Carto
Wilmington, DE
Almanac · Saturday, July 4
If the first of July be rainy weather, 'twill rain more or less for four weeks together.
Civil dawn
5:08 AM
Sunrise
1:39 AM
Daylight
14h 54m
Sunset
4:33 PM
Civil dusk
9:07 PM
Planting note
Harvest early potatoes. Begin drying onions on the surface.
Wilmington, DE
The moon
Waning Gibbous
80% illuminated
Moonrise
10:55 PM
Moonset
10:06 AM
In sign
♓︎ Pisces
Wilmington, DE
Microseason
Jul 1–5

Cicadas claim the afternoon

plant
Jan 151% of the yearDec 31

Read this microseason across nine climate regions →

Wilmington at a glance

  • Today vs. normal: 29°F above the seasonal normal for this latitude
  • Last frost: April 14 (climatological average for this latitude)
  • Microseason: Jul 1–5
  • Planting window: Harvest early potatoes. Begin drying onions on the surface.

ZIP codes: 19801, 19802, 19803, 19804, 19805, 19806, 19807, 19808 +2 more

16-Day Forecast — Wilmington

  1. Sat102°78°22%
  2. Sun95°75°38%
  3. Mon75°72°91%
  4. Tue82°69°74%
  5. Wed79°66°18%
  6. Thu90°68°16%
  7. Fri90°72°36%
  8. Sat89°73°35%
  9. Sun84°70°28%
  10. Mon82°70°23%
  11. Tue87°68°22%
  12. Wed90°68°25%
  13. Thu90°72°28%
  14. Fri94°74°30%
  15. Sat94°73°21%
  16. Sun90°75°27%

Forecast data from Open-Meteo (CC BY 4.0).

Live wind & temperature near Wilmington

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 — Wilmington

SPC has placed Wilmington in the Enhanced Risk category for severe thunderstorms today.

  • TODAYENHEnhanced Risk
  • TOMORROWSLGTSlight Risk
  • DAY 3TSTMGeneral Thunderstorms

Numerous severe storms likely. Tornadoes, large hail, and damaging wind gusts possible across the area. Track NWS warnings if storms develop.

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.

All cities in Delaware →

Philadelphia, PA weather →

ZIP codes in Wilmington

  • 19802
  • 19801
  • 19806
  • 19805
  • 19809
  • 19850
  • 19880
  • 19884
  • 19885
  • 19886
  • 19890
  • 19893
  • 19894
  • 19895
  • 19896
  • 19898
  • 19899

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.