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

Dupont, Pennsylvania Weather

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

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

Dupont, PA
Saturday, July 4 at 8:17 AM
78
°
Clear
Feels like
83°
Humidity
77%
Wind
8 mph
Sunrise
1:35 AM
Sunset
4:39 PM
Dupont, PA
Hour by hour · 24h
24-Hour ForecastDupont, PA: 24-hour forecast. Temperatures range from 69 to 96 degrees Fahrenheit with a 34% chance of precipitation at 11 PM.
L 69°H 96°
Dupont, PA
7-day forecast
  1. Today
    Jul 4
    Light Drizzle
    34%
    0.01″
    96°71°
  2. Sunday
    Jul 5
    Rain
    88%
    0.31″
    91°69°-5°
  3. Monday
    Jul 6
    Light Showers
    88%
    0.42″
    71°62°-20°
  4. Tuesday
    Jul 7
    Light Drizzle
    51%
    0.04″
    76°58°+5°
  5. Wednesday
    Jul 8
    Foggy
    14%
    85°56°+9°
  6. Thursday
    Jul 9
    Light Drizzle
    38%
    0.01″
    87°63°+2°
  7. Friday
    Jul 10
    Light Drizzle
    47%
    82°67°-5°
Dupont, PA
Anemometer · 24h winds · from true
NESW
From · True
SW
223° · steady
Direction
SW
223°
Sustained
8
mph
Gust
13
mph
Peak 24h
23
avg 6
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 6 · pk 23 @ 6:00p
01020MPHB1B2B3B4B5-21h-18h-15h-12h-9h-6h-3h-24hNOWpk 215SUSTGUST
−24h−18h−12h−6hnow
Light breeze holding from the sw.
Dupont, PA
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
987.0
+1.1 mb in 3h · rising · 29.15 inHg
Now
987.0
mb
3h
+1.1
mb
12h
+0.1
mb
24h
-2.6
mb
Regime · STORM
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 986990
9809859909951000STORM|RAIN10051010RAIN|CHG1015CHG|FAIR10201025FAIR|DRY1030-21h-18h-15h-12h-9h-6h-3h-24hNOW989.8985.8986.9
−24h−18h−12h−6hnow
The low is filling — pressure climbing out of storm territory.
Dupont, PA
Air quality
45
AQI
Good
+6 in 6h

AQI 45 (Good), driven by Ozone. AQI up 6 over the last 6 hours (gradual rise). Ozone at AQI 44 now. With UV 4.7 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 27 around 1 PM.

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

PM 2.5Good
6.8μg/m³
PM 10Good
7μg/m³
NO₂Good
2μg/m³
OzoneDRIVERModerate
93μg/m³
UV IndexLow
1.4

What's driving it

Ozone × UV × Sky

Ozone at AQI 44 now. With UV 4.7 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 27 around 1 PM.

Present
AQI 44
UV peak
4.7 at 1 PM
Sky at peak
clear
Projected peak
AQI 27

PM × Wind × Precip

PM2.5 at 6.8 µg/m³, PM10 at 7.3 µg/m³ — typical background levels with no transport signature.

PM2.5/PM10
0.93
Wind
light
Recent rain
0h in last 6h
Pattern
background
Dupont, PA
Sky cover · visibility · 24h
Cloud cover
1%
CLEAR
100%0%−24h−18h−12h−6hnow

Visibility
40.2mi
UNLIMITED
99 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
12:17 UTC · Dupont, PA · 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
12:17 UTC · Dupont, PA · NOAA NESDIS / STAR · 5-min cadence · up to 10000 px
Dupont, PA
Satellite · infrared · animated
Dupont, PA
Loading IR frames…
IR · cloud-top temp© RainViewer · Carto
Dupont, PA
Almanac · Saturday, July 4
If the first of July be rainy weather, 'twill rain more or less for four weeks together.
Civil dawn
5:02 AM
Sunrise
1:35 AM
Daylight
15h 04m
Sunset
4:39 PM
Civil dusk
9:14 PM
Planting note
Harvest early potatoes. Begin drying onions on the surface.
Dupont, PA
The moon
Waning Gibbous
82% illuminated
Moonrise
10:58 PM
Moonset
10:05 AM
In sign
♓︎ Pisces
Dupont, PA
Microseason
Jul 1–5

Cicadas claim the afternoon

plant
Jan 151% of the yearDec 31

Read this microseason across nine climate regions →

Dupont at a glance

  • Today vs. normal: 8°F above the seasonal normal for this latitude
  • Last frost: April 24 (climatological average for this latitude)
  • Microseason: Jul 1–5
  • Planting window: Harvest early potatoes. Begin drying onions on the surface.

16-Day Forecast — Dupont

  1. Sat96°71°34%
  2. Sun91°69°88%
  3. Mon71°62°88%
  4. Tue76°58°51%
  5. Wed85°56°14%
  6. Thu87°63°38%
  7. Fri82°67°47%
  8. Sat86°67°26%
  9. Sun70°64°30%
  10. Mon69°63°21%
  11. Tue83°62°24%
  12. Wed86°65°27%
  13. Thu93°69°27%
  14. Fri92°71°39%
  15. Sat79°69°40%
  16. Sun86°63°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 — Dupont

SPC has placed Dupont in the Slight Risk category for severe thunderstorms today.

  • TODAYSLGTSlight Risk
  • TOMORROWTSTMGeneral Thunderstorms
  • 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 Dupont

  • 18640
  • 18641

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.