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

Atglen, Pennsylvania Weather

Cicadas claim the afternoon. Day 15 of summer. Read this microseason across nine climate regions →

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

Atglen, PA
Sunday, July 5 at 4:20 PM
90
°
Mostly Clear
Feels like
94°
Humidity
48%
Wind
5 mph
Sunrise
1:41 AM
Sunset
4:35 PM
Atglen, PA
Hour by hour · 24h
24-Hour ForecastAtglen, PA: 24-hour forecast. Temperatures range from 71 to 90 degrees Fahrenheit with a 76% chance of precipitation at 11 PM.
L 71°H 90°
Atglen, PA
7-day forecast
  1. Today
    Jul 5
    Drizzle
    76%
    0.04″
    90°70°
  2. Monday
    Jul 6
    Heavy Showers
    63%
    2.3″
    75°69°-15°
  3. Tuesday
    Jul 7
    Drizzle
    56%
    0.04″
    70°64°-5°
  4. Wednesday
    Jul 8
    Overcast
    33%
    77°63°+7°
  5. Thursday
    Jul 9
    Drizzle
    36%
    89°66°+12°
  6. Friday
    Jul 10
    Light Drizzle
    46%
    0.01″
    83°68°-6°
  7. Saturday
    Jul 11
    Overcast
    36%
    82°65°-1°
Atglen, PA
Anemometer · 24h winds · from true
NESW
From · True
SE
131° · veering 150°
Direction
SE
131°
Sustained
5
mph
Gust
8
mph
Peak 24h
27
avg 4
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 4 · pk 27 @ 9:00p
01020MPHB1B2B3B4B5-21h-18h-15h-12h-9h-6h-3h-24hNOWpk 198SUSTGUST
−24h−18h−12h−6hnow
A whisper of wind — leaves barely shift on the trees.
Atglen, PA
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
995.5
-1.5 mb in 3h · falling · 29.40 inHg
Now
995.5
mb
3h
-1.5
mb
12h
+0.4
mb
24h
+0.9
mb
Regime · STORM
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 994998
9859909951000STORM|RAIN10051010RAIN|CHG1015CHG|FAIR10201025FAIR|DRY1030-21h-18h-15h-12h-9h-6h-3h-24hNOW997.9993.6995.5
−24h−18h−12h−6hnow
Deep low still deepening — rough seas, strong wind, persistent rain.
Atglen, PA
Air quality
72
AQI
Moderate
+44 in 6hPeak ~92 @ 10 PM

AQI 72 (Moderate), driven by Ozone. AQI up 44 in the last 6 hours — air quality is degrading. Ozone at AQI 88 — peak already passed at 1 PM under partly cloudy 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
11.3μg/m³
PM 10Good
12μg/m³
NO₂Good
2μg/m³
OzoneDRIVERUnhealthy SG
130μg/m³
UV IndexModerate
3.3

What's driving it

Ozone × UV × Sky

Ozone at AQI 88 — peak already passed at 1 PM under partly cloudy skies. Levels should ease through evening.

Present
AQI 88
UV peak
3.0 at earlier today
Sky at peak
partly cloudy
Projected peak
AQI 88

PM × Wind × Precip

PM2.5 at 11.3 µg/m³ (AQI 55) with a 0.91 fine-to-coarse ratio and 5 mph wind — combustion smoke trapped in calm air, not road dust.

PM2.5/PM10
0.91
Wind
light
Recent rain
0h in last 6h
Pattern
stagnant smoke
Atglen, PA
Sky cover · visibility · 24h
Cloud cover
34%
MOSTLY CLEAR
100%0%−24h−18h−12h−6hnow

Visibility
68.1mi
UNLIMITED
123 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
20:20 UTC · Atglen, 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
20:20 UTC · Atglen, PA · NOAA NESDIS / STAR · 5-min cadence · up to 10000 px
Atglen, PA
Satellite · infrared · animated
Atglen, PA
Loading IR frames…
IR · cloud-top temp© RainViewer · Carto
Atglen, PA
Almanac · Sunday, July 5
If the first of July be rainy weather, 'twill rain more or less for four weeks together.
Civil dawn
5:09 AM
Sunrise
1:41 AM
Daylight
14h 54m
Sunset
4:35 PM
Civil dusk
9:09 PM
Planting note
Harvest early potatoes. Begin drying onions on the surface.
Atglen, PA
The moon
Waning Gibbous
70% illuminated
Moonrise
11:21 PM
Moonset
11:13 AM
In sign
♓︎ Pisces
Atglen, PA
Microseason
Jul 1–5

Cicadas claim the afternoon

fish
Jan 151% of the yearDec 31

Read this microseason across nine climate regions →

Atglen at a glance

  • Today vs. normal: 18°F above the seasonal normal for this latitude
  • Last frost: April 16 (climatological average for this latitude)
  • Microseason: Jul 1–5
  • Planting window: Harvest early potatoes. Begin drying onions on the surface.

ZIP code: 19310

16-Day Forecast — Atglen

  1. Sun91°70°76%
  2. Mon75°69°63%
  3. Tue70°64°56%
  4. Wed77°63°33%
  5. Thu89°66°36%
  6. Fri83°68°46%
  7. Sat82°65°36%
  8. Sun75°63°20%
  9. Mon85°65°17%
  10. Tue68°61°14%
  11. Wed72°62°13%
  12. Thu79°58°32%
  13. Fri85°64°28%
  14. Sat84°65°24%
  15. Sun78°66°19%
  16. Mon68°64°23%

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

Right now in the garden

Peak growing season

As of July 5, 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 — Atglen

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

  • TODAYSLGTSlight Risk
  • TOMORROWTSTMGeneral Thunderstorms
  • DAY 3NONENo severe 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 Atglen

  • 19310

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.