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

Claymont, Delaware Weather

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

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

Claymont, DE
Saturday, July 4 at 4:39 PM
100
°
Clear
Feels like
105°
Humidity
31%
Wind
5 mph
Sunrise
1:39 AM
Sunset
4:33 PM
Claymont, DE
Hour by hour · 24h
24-Hour ForecastClaymont, DE: 24-hour forecast. Temperatures range from 75 to 101 degrees Fahrenheit with a 23% chance of precipitation at 11 PM.
L 75°H 101°
Claymont, DE
7-day forecast
  1. Today
    Jul 4
    Overcast
    23%
    —
    101°79°—
  2. Sunday
    Jul 5
    Heavy Rain
    43%
    0.66″
    91°73°-10°
  3. Monday
    Jul 6
    Heavy Showers
    91%
    0.66″
    77°72°-14°
  4. Tuesday
    Jul 7
    Light Showers
    73%
    —
    82°68°+5°
  5. Wednesday
    Jul 8
    Light Drizzle
    18%
    0.01″
    79°66°-3°
  6. Thursday
    Jul 9
    Overcast
    16%
    —
    90°68°+11°
  7. Friday
    Jul 10
    Light Drizzle
    36%
    —
    89°71°-1°
Claymont, DE
Next 24 hours · Hot now
HOT 90°70°90°110°12p6p12a6anow 100°high 101°low 75°PRECIP %
Claymont, DE
Anemometer · 24h winds · from true
NESW
From · True
WNW
288° · veering 34°
Direction
WNW
288°
Sustained
5
mph
Gust
14
mph
Peak 24h
18
avg 5
Beaufort · 2 · LIGHT 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 18 @ 8:00p
0102030MPHB1B2B3B4B5B6-21h-18h-15h-12h-9h-6h-3h-24hNOWpk 255SUSTGUST
−24h−18h−12h−6hnow
Light breeze veering 34° from the wnw.
Claymont, DE
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
1008.2
-2.0 mb in 3h · falling · 29.77 inHg
Now
1008.2
mb
3h
-2.0
mb
12h
-2.0
mb
24h
-1.8
mb
Regime · RAIN
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 1008–1012
1000STORM|RAIN10051010RAIN|CHG1015CHG|FAIR10201025FAIR|DRY1030-21h-18h-15h-12h-9h-6h-3h-24hNOW1011.51008.51008.5
−24h−18h−12h−6hnow
Pressure giving way — clouds thicken and rain edges closer.
Claymont, DE
Air quality
95
AQI
Moderate
↑+36 in 6h▲Peak ~108 @ 10 PM

AQI 95 (Moderate), driven by Ozone. AQI up 36 in the last 6 hours — air quality is degrading. Ozone at AQI 100 — peak already passed at 1 PM under clear skies. Levels should ease through evening.

OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion during the projected peak around 10 PM.

PM 2.5Good
7.8μg/m³
PM 10Good
9μg/m³
NO₂Good
1μg/m³
OzoneDRIVERUnhealthy SG
139μg/m³
UV IndexModerate
4.3

What's driving it

Ozone × UV × Sky

Ozone at AQI 100 — peak already passed at 1 PM under clear skies. Levels should ease through evening.

Present
AQI 100
UV peak
3.9 at earlier today
Sky at peak
clear
Projected peak
AQI 100

PM × Wind × Precip

PM2.5 at 7.8 µg/m³ (AQI 43) with a 0.92 fine-to-coarse ratio and 5 mph wind — combustion smoke trapped in calm air, not road dust.

PM2.5/PM10
0.92
Wind
light
Recent rain
0h in last 6h
Pattern
stagnant smoke

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/m³420
Claymont, DE
Sky cover · visibility · 24h
Cloud cover
4%
CLEAR
100%0%−24h−18h−12h−6hnow
Visibility
123.5mi
UNLIMITED
125 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
20:39 UTC · Claymont, 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
20:39 UTC · Claymont, DE · NOAA NESDIS / STAR · 5-min cadence · up to 10000 px
Claymont, DE
Satellite · infrared · animated
Claymont, DE
Loading IR frames…
IR · cloud-top temp© RainViewer · Carto
Claymont, DE
Almanac · Saturday, July 4
If the first of July be rainy weather, 'twill rain more or less for four weeks together.
Civil dawn
5:07 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.
Claymont, DE
The moon
Waning Gibbous
79% illuminated
Moonrise
10:55 PM
Moonset
10:05 AM
In sign
♓︎ Pisces
Claymont, DE
Microseason
Jul 1–5

Cicadas claim the afternoon

plant
Jan 151% of the yearDec 31

Read this microseason across nine climate regions →

Claymont at a glance

  • Today vs. normal: 28°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.

ZIP code: 19703

16-Day Forecast — Claymont

  1. Sat101°79°23%
  2. Sun91°73°43%
  3. Mon77°72°91%
  4. Tue82°68°73%
  5. Wed79°66°18%
  6. Thu90°68°16%
  7. Fri89°71°36%
  8. Sat89°72°35%
  9. Sun84°70°29%
  10. Mon81°69°23%
  11. Tue87°68°21%
  12. Wed90°67°41%
  13. Thu90°72°41%
  14. Fri94°73°35%
  15. Sat94°73°29%
  16. Sun90°75°39%

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 — Claymont

SPC has placed Claymont 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 →

Wilmington, DE weather →

ZIP codes in Claymont

  • 19703

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.