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

Duncansville, Pennsylvania Weather

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

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

Duncansville, PA
Saturday, July 4 at 5:55 PM
93
°
Partly Cloudy
Feels like
95°
Humidity
40%
Wind
9 mph
Sunrise
1:48 AM
Sunset
4:47 PM
Duncansville, PA
Hour by hour · 24h
24-Hour ForecastDuncansville, PA: 24-hour forecast. Temperatures range from 69 to 93 degrees Fahrenheit with a 53% chance of precipitation at 10 PM.
L 69°H 93°
Duncansville, PA
7-day forecast
  1. Today
    Jul 4
    Light Drizzle
    53%
    0.02″
    93°67°
  2. Sunday
    Jul 5
    Drizzle
    50%
    0.03″
    89°69°-4°
  3. Monday
    Jul 6
    Heavy Drizzle
    84%
    0.04″
    79°68°-10°
  4. Tuesday
    Jul 7
    Thunderstorm
    73%
    80°67°+1°
  5. Wednesday
    Jul 8
    Light Drizzle
    19%
    0.01″
    78°66°-2°
  6. Thursday
    Jul 9
    Light Drizzle
    15%
    88°62°+10°
  7. Friday
    Jul 10
    Drizzle
    52%
    0.12″
    84°67°-4°
Duncansville, PA
Anemometer · 24h winds · from true
NESW
From · True
WSW
241° · backing 13°
Direction
WSW
241°
Sustained
9
mph
Gust
15
mph
Peak 24h
18
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 18 @ 11:00p
010203040MPHB1B2B3B4B5B6B7B8-21h-18h-15h-12h-9h-6h-3h-24hNOWpk 3811SUSTGUST
−24h−18h−12h−6hnow
Light breeze backing 13° from the wsw.
Duncansville, PA
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
977.7
-1.8 mb in 3h · falling · 28.87 inHg
Now
977.7
mb
3h
-1.8
mb
12h
-1.1
mb
24h
-2.2
mb
Regime · STORM
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 978982
970975980985990-21h-18h-15h-12h-9h-6h-3h-24hNOW981.7978.1978.1
−24h−18h−12h−6hnow
Deep low still deepening — rough seas, strong wind, persistent rain.
Duncansville, PA
Air quality
76
AQI
Moderate
+22 in 6hPeak ~88 @ 11 PM

AQI 76 (Moderate), driven by Ozone. AQI up 22 in the last 6 hours — air quality is degrading. Ozone at AQI 96 — 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.

PM 2.5Good
6.8μg/m³
PM 10Good
7μg/m³
NO₂Good
1μg/m³
OzoneDRIVERUnhealthy SG
135μg/m³
UV IndexModerate
2.6

What's driving it

Ozone × UV × Sky

Ozone at AQI 96 — peak already passed at 1 PM under clear skies. Levels should ease through evening.

Present
AQI 96
UV peak
2.2 at earlier today
Sky at peak
clear
Projected peak
AQI 96

PM × Wind × Precip

PM2.5 at 6.8 µg/m³, PM10 at 7.2 µg/m³ — typical background levels with no transport signature.

PM2.5/PM10
0.94
Wind
light
Recent rain
0h in last 6h
Pattern
background
Duncansville, PA
Sky cover · visibility · 24h
Cloud cover
70%
MOSTLY CLOUDY
100%0%−24h−18h−12h−6hnow

Visibility
99.9mi
UNLIMITED
85 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
21:55 UTC · Duncansville, 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
21:55 UTC · Duncansville, PA · NOAA NESDIS / STAR · 5-min cadence · up to 10000 px
Duncansville, PA
Satellite · infrared · animated
Duncansville, PA
Loading IR frames…
IR · cloud-top temp© RainViewer · Carto
Duncansville, PA
Almanac · Saturday, July 4
If the first of July be rainy weather, 'twill rain more or less for four weeks together.
Civil dawn
5:17 AM
Sunrise
1:48 AM
Daylight
14h 59m
Sunset
4:47 PM
Civil dusk
9:21 PM
Planting note
Harvest early potatoes. Begin drying onions on the surface.
Duncansville, PA
The moon
Waning Gibbous
78% illuminated
Moonrise
11:08 PM
Moonset
10:17 AM
In sign
♓︎ Pisces
Duncansville, PA
Microseason
Jul 1–5

Cicadas claim the afternoon

plant
Jan 151% of the yearDec 31

Read this microseason across nine climate regions →

Duncansville at a glance

  • Today vs. normal: 22°F above the seasonal normal for this latitude
  • Last frost: April 19 (climatological average for this latitude)
  • Microseason: Jul 1–5
  • Planting window: Harvest early potatoes. Begin drying onions on the surface.

ZIP code: 16635

16-Day Forecast — Duncansville

  1. Sat93°67°53%
  2. Sun89°69°50%
  3. Mon79°68°84%
  4. Tue80°67°73%
  5. Wed78°66°19%
  6. Thu88°62°15%
  7. Fri84°67°52%
  8. Sat80°63°34%
  9. Sun79°59°20%
  10. Mon76°60°23%
  11. Tue80°55°22%
  12. Wed83°57°35%
  13. Thu85°58°43%
  14. Fri82°61°42%
  15. Sat87°67°45%
  16. Sun78°68°52%

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 — Duncansville

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

  • TODAYSLGTSlight Risk
  • TOMORROWMRGLMarginal Risk
  • 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 Duncansville

  • 16635

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.