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Current weather in Atglen is clear sky.

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Is the weather forecast for Atglen updated regularly?

Weather data for Atglen is updated regularly with the latest available observations and forecasts.

Now · 5:17 PM

Atglen Weather & Hourly Forecast

United States · Pennsylvania · 19310

81°F

Sunny

Feels like: 77°F

💧 Humidity 44% 🌡 Pressure 29.83 inHg 💨 Wind 9 mph 👁 Visibility 26.2 mi ☁ Clouds 7% ☀️ UV index 1.6 · Low 🌅 Sunrise — 🌇 Sunset —

Hourly Forecast for Atglen

Today

6:00 PM

Mostly sunny

79° 💧 None 💨 9 mph H 45%29.83 inHg

9:00 PM

Clear night

71° 💧 None 💨 6 mph H 63%29.88 inHg

Tomorrow

12:00 AM

Clear night

67° 💧 None 💨 6 mph H 71%29.91 inHg

3:00 AM

Clear night

64° 💧 None 💨 7 mph H 80%29.88 inHg

6:00 AM

Clear night

61° 💧 None 💨 5 mph H 89%29.91 inHg

9:00 AM

Sunny

69° 💧 0.001 in 💨 6 mph H 71%29.97 inHg

12:00 PM

Mostly sunny

77° 💧 0.003 in 💨 8 mph H 50%29.97 inHg

3:00 PM

Mostly sunny

80° 💧 0.001 in 💨 9 mph H 44%29.94 inHg

6:00 PM

Sunny

78° 💧 None 💨 9 mph H 42%29.94 inHg

9:00 PM

Clear night

69° 💧 None 💨 5 mph H 61%30.00 inHg

Monday

12:00 AM

Clear night

66° 💧 None 💨 6 mph H 68%30.06 inHg

3:00 AM

Clear night

62° 💧 None 💨 4 mph H 94%30.09 inHg

6:00 AM

Clear night

60° 💧 None 💨 4 mph H 95%30.12 inHg

9:00 AM

Sunny

69° 💧 None 💨 5 mph H 63%30.18 inHg

12:00 PM

Mostly sunny

76° 💧 None 💨 5 mph H 42%30.18 inHg

3:00 PM

Mostly sunny

79° 💧 None 💨 4 mph H 35%30.15 inHg

Today

6:00 PM

Mostly sunny

79° 💧 None 💨 9 mph H 45%29.83 inHg

7:00 PM

Sunny

77° 💧 None 💨 7 mph H 50%29.85 inHg

8:00 PM

Mostly clear night

73° 💧 None 💨 6 mph H 58%29.85 inHg

9:00 PM

Clear night

71° 💧 None 💨 6 mph H 63%29.88 inHg

10:00 PM

Clear night

69° 💧 None 💨 6 mph H 66%29.91 inHg

11:00 PM

Mostly clear night

68° 💧 None 💨 5 mph H 69%29.91 inHg

Tomorrow

12:00 AM

Clear night

67° 💧 None 💨 6 mph H 71%29.91 inHg

1:00 AM

Clear night

66° 💧 None 💨 6 mph H 75%29.91 inHg

2:00 AM

Clear night

65° 💧 None 💨 7 mph H 78%29.91 inHg

3:00 AM

Clear night

64° 💧 None 💨 7 mph H 80%29.88 inHg

4:00 AM

Clear night

63° 💧 None 💨 7 mph H 84%29.91 inHg

5:00 AM

Clear night

62° 💧 None 💨 7 mph H 86%29.91 inHg

6:00 AM

Clear night

61° 💧 None 💨 5 mph H 89%29.91 inHg

7:00 AM

Sunny

61° 💧 None 💨 6 mph H 91%29.94 inHg

8:00 AM

Sunny

64° 💧 None 💨 6 mph H 81%29.94 inHg

9:00 AM

Sunny

69° 💧 None 💨 6 mph H 71%29.97 inHg

10:00 AM

Sunny

72° 💧 None 💨 6 mph H 63%29.97 inHg

11:00 AM

Sunny

75° 💧 0.001 in 💨 8 mph H 55%29.97 inHg

12:00 PM

Mostly sunny

77° 💧 0.001 in 💨 8 mph H 50%29.97 inHg

1:00 PM

Mostly sunny

79° 💧 0.001 in 💨 9 mph H 47%29.94 inHg

2:00 PM

Mostly sunny

80° 💧 0.001 in 💨 9 mph H 44%29.94 inHg

3:00 PM

Mostly sunny

80° 💧 0.001 in 💨 9 mph H 44%29.94 inHg

4:00 PM

Sunny

80° 💧 None 💨 9 mph H 43%29.94 inHg

5:00 PM

Sunny

79° 💧 None 💨 9 mph H 42%29.94 inHg

6:00 PM

Sunny

78° 💧 None 💨 9 mph H 42%29.94 inHg

7:00 PM

Sunny

76° 💧 None 💨 7 mph H 46%29.97 inHg

8:00 PM

Clear night

71° 💧 None 💨 5 mph H 55%29.97 inHg

9:00 PM

Clear night

69° 💧 None 💨 5 mph H 61%30.00 inHg

10:00 PM

Clear night

68° 💧 None 💨 6 mph H 62%30.03 inHg

11:00 PM

Clear night

67° 💧 None 💨 8 mph H 63%30.06 inHg

Monday

12:00 AM

Clear night

66° 💧 None 💨 6 mph H 68%30.06 inHg

1:00 AM

Clear night

64° 💧 None 💨 5 mph H 78%30.09 inHg

2:00 AM

Clear night

63° 💧 None 💨 5 mph H 88%30.09 inHg

3:00 AM

Clear night

62° 💧 None 💨 4 mph H 94%30.09 inHg

4:00 AM

Clear night

61° 💧 None 💨 3 mph H 95%30.09 inHg

5:00 AM

Clear night

60° 💧 None 💨 3 mph H 95%30.12 inHg

6:00 AM

Clear night

60° 💧 None 💨 4 mph H 95%30.12 inHg

7:00 AM

Sunny

60° 💧 None 💨 4 mph H 95%30.15 inHg

8:00 AM

Sunny

64° 💧 None 💨 5 mph H 82%30.18 inHg

9:00 AM

Sunny

69° 💧 None 💨 5 mph H 63%30.18 inHg

10:00 AM

Sunny

72° 💧 None 💨 5 mph H 50%30.18 inHg

11:00 AM

Sunny

75° 💧 None 💨 5 mph H 45%30.18 inHg

12:00 PM

Mostly sunny

76° 💧 None 💨 5 mph H 42%30.18 inHg

1:00 PM

Sunny

78° 💧 None 💨 5 mph H 39%30.18 inHg

2:00 PM

Sunny

79° 💧 None 💨 5 mph H 37%30.18 inHg

3:00 PM

Mostly sunny

79° 💧 None 💨 4 mph H 35%30.15 inHg

4:00 PM

Mostly sunny

80° 💧 None 💨 4 mph H 33%30.15 inHg

5:00 PM

Sunny

79° 💧 None 💨 6 mph H 32%30.15 inHg

6:00 PM

Sunny

78° 💧 None 💨 6 mph H 32%30.15 inHg

7:00 PM

Sunny

75° 💧 None 💨 5 mph H 37%30.15 inHg

8:00 PM

Clear night

70° 💧 None 💨 3 mph H 49%30.15 inHg

9:00 PM

Partly cloudy night

68° 💧 None 💨 5 mph H 55%30.18 inHg

10:00 PM

Mostly cloudy night

67° 💧 None 💨 4 mph H 56%30.21 inHg

11:00 PM

Partly cloudy night

67° 💧 None 💨 4 mph H 56%30.21 inHg

Tuesday

12:00 AM

Partly cloudy night

66° 💧 None 💨 3 mph H 60%30.21 inHg

1:00 AM

Mostly clear night

65° 💧 None 💨 3 mph H 67%30.24 inHg

2:00 AM

Clear night

64° 💧 None 💨 3 mph H 73%30.24 inHg

3:00 AM

Clear night

63° 💧 None 💨 4 mph H 76%30.21 inHg

4:00 AM

Clear night

62° 💧 None 💨 4 mph H 78%30.21 inHg

5:00 AM

Clear night

61° 💧 None 💨 3 mph H 78%30.24 inHg

6:00 AM

Clear night

61° 💧 None 💨 3 mph H 78%30.24 inHg

7:00 AM

Mostly sunny

61° 💧 None 💨 3 mph H 78%30.24 inHg

8:00 AM

Mostly sunny

67° 💧 None 💨 4 mph H 65%30.27 inHg

11:00 AM

Sunny

76° 💧 None 💨 6 mph H 51%30.27 inHg

2:00 PM

Sunny

81° 💧 None 💨 7 mph H 40%30.24 inHg

5:00 PM

Mostly sunny

82° 💧 None 💨 6 mph H 37%30.18 inHg

8:00 PM

Overcast night

74° 💧 None 💨 2 mph H 57%30.21 inHg

11:00 PM

Mostly clear night

69° 💧 None 💨 5 mph H 66%30.21 inHg

Wednesday

2:00 AM

Mostly cloudy night

68° 💧 None 💨 7 mph H 72%30.21 inHg

5:00 AM

Mostly clear night

65° 💧 None 💨 5 mph H 68%30.21 inHg

8:00 AM

Mostly sunny

68° 💧 None 💨 6 mph H 62%30.24 inHg

11:00 AM

Sunny

81° 💧 None 💨 9 mph H 41%30.21 inHg

2:00 PM

Mostly sunny

86° 💧 None 💨 13 mph H 35%30.12 inHg

5:00 PM

Mostly sunny

85° 💧 None 💨 12 mph H 40%30.03 inHg

8:00 PM

Mostly clear night

78° 💧 None 💨 12 mph H 56%30.00 inHg

11:00 PM

Clear night

76° 💧 None 💨 13 mph H 68%30.00 inHg

Thursday

2:00 AM

Clear night

75° 💧 None 💨 12 mph H 63%29.94 inHg

5:00 AM

Moderate rain

70° 💧 None 💨 8 mph H 87%29.94 inHg

8:00 AM

Partly cloudy

71° 💧 None 💨 9 mph H 90%29.94 inHg

11:00 AM

Sunny

83° 💧 None 💨 10 mph H 63%29.91 inHg

2:00 PM

Mostly cloudy

89° 💧 None 💨 13 mph H 48%29.85 inHg

5:00 PM

Overcast

83° 💧 None 💨 10 mph H 59%29.80 inHg

8:00 PM

Overcast night

78° 💧 None 💨 7 mph H 68%29.80 inHg

11:00 PM

Overcast night

76° 💧 None 💨 10 mph H 68%29.83 inHg

Friday

2:00 AM

Mostly cloudy night

72° 💧 None 💨 11 mph H 79%29.83 inHg

5:00 AM

Clear night

65° 💧 None 💨 8 mph H 76%29.85 inHg

8:00 AM

Sunny

65° 💧 None 💨 6 mph H 78%29.88 inHg

2:00 PM

Sunny

79° 💧 None 💨 9 mph H 36%29.85 inHg

8:00 PM

Clear night

70° 💧 None 💨 4 mph H 52%29.88 inHg

Saturday

2:00 AM

Partly cloudy night

63° 💧 None 💨 7 mph H 69%29.97 inHg

8:00 AM

Sunny

62° 💧 None 💨 5 mph H 71%30.03 inHg

2:00 PM

Sunny

80° 💧 None 💨 1 mph H 35%30.03 inHg

8:00 PM

Clear night

72° 💧 None 💨 3 mph H 48%30.03 inHg

Sunday

2:00 AM

Clear night

66° 💧 None 💨 8 mph H 95%30.09 inHg

8:00 AM

Sunny

68° 💧 None 💨 7 mph H 86%30.12 inHg

2:00 PM

Mostly sunny

86° 💧 None 💨 12 mph H 43%30.06 inHg

8:00 PM

Clear night

76° 💧 None 💨 11 mph H 67%30.03 inHg

Monday

2:00 AM

Mostly clear night

70° 💧 None 💨 10 mph H 81%30.06 inHg

8:00 AM

Overcast

73° 💧 None 💨 10 mph H 90%30.00 inHg

2:00 PM

Overcast

88° 💧 None 💨 13 mph H 54%29.85 inHg

8:00 PM

Moderate rain

70° 💧 None 💨 11 mph H 97%29.85 inHg

Tuesday

2:00 AM

Clear night

60° 💧 None 💨 13 mph H 77%29.97 inHg

8:00 AM

Sunny

56° 💧 None 💨 11 mph H 71%30.09 inHg

2:00 PM

Sunny

70° 💧 None 💨 11 mph H 51%30.09 inHg

8:00 PM

Clear night

63° 💧 None 💨 7 mph H 67%30.12 inHg

Wednesday

2:00 AM

Mostly clear night

56° 💧 None 💨 7 mph H 77%30.18 inHg

8:00 AM

Partly cloudy

55° 💧 None 💨 6 mph H 81%30.24 inHg

2:00 PM

Partly cloudy

71° 💧 None 💨 6 mph H 47%30.24 inHg

8:00 PM

Overcast night

63° 💧 None 💨 3 mph H 70%30.21 inHg

Thursday

2:00 AM

Overcast night

59° 💧 None 💨 2 mph H 75%30.21 inHg

8:00 AM

Sunny

59° 💧 None 💨 5 mph H 80%30.21 inHg

2:00 PM

Partly cloudy

75° 💧 None 💨 6 mph H 43%30.15 inHg

8:00 PM

Clear night

65° 💧 None 💨 3 mph H 62%30.15 inHg

Friday

2:00 AM

Mostly clear night

61° 💧 None 💨 1 mph H 74%30.12 inHg

8:00 AM

Sunny

60° 💧 None 💨 6 mph H 82%30.15 inHg

2:00 PM

Mostly sunny

76° 💧 None 💨 6 mph H 43%30.12 inHg

8:00 PM

Mostly clear night

66° 💧 None 💨 4 mph H 63%30.12 inHg

Saturday

2:00 AM

Clear night

60° 💧 None 💨 5 mph H 83%30.12 inHg

8:00 AM

Sunny

63° 💧 None 💨 5 mph H 82%30.15 inHg

2:00 PM

Mostly sunny

76° 💧 None 💨 11 mph H 45%30.09 inHg

8:00 PM

Mostly clear night

67° 💧 None 💨 10 mph H 74%30.03 inHg

Sunday

2:00 AM

Mostly cloudy night

64° 💧 None 💨 10 mph H 86%30.00 inHg

8:00 AM

Overcast

67° 💧 None 💨 8 mph H 88%29.97 inHg

In Atglen and, more broadly, across the state of Pennsylvania: The late afternoon will be mostly sunny with just a few clouds passing through. Temperatures are expected to be mild to warm, ranging from around 67 to 76 degrees Fahrenheit. Winds will be light, coming from the north at around 9 mph, with occasional gusts reaching up to 23 mph. As the evening approaches, skies will remain mostly clear, and there is no forecast of precipitation. Temperatures are likely to stay within the mild range, making for a comfortable evening. Winds may settle down slightly, but occasional gusts could still be felt. Overall, it should be a pleasant evening with clear skies and gentle breezes.

15-Day Weather Outlook for Atglen

TomorrowTomorrow

Mostly sunny 80°/61° 💧 None 💨 9 mph

Monday, Sep 7Mon Sep 7

Mostly sunny 80°/60° 💧 None 💨 8 mph

Tuesday, Sep 8Tue Sep 8

Partly cloudy 82°/61° 💧 0.006 in 💨 7 mph

Wednesday, Sep 9Wed Sep 9

Overcast 86°/65° 💧 None 💨 13 mph

Thursday, Sep 10Thu Sep 10

Moderate rain 89°/70° 💧 0.124 in 💨 13 mph

Friday, Sep 11Fri Sep 11

Overcast 79°/65° 💧 0.002 in 💨 11 mph

Saturday, Sep 12Sat Sep 12

Partly cloudy 80°/62° 💧 None 💨 7 mph

Sunday, Sep 13Sun Sep 13

Mostly sunny 86°/66° 💧 None 💨 12 mph

Monday, Sep 14Mon Sep 14

Overcast 88°/70° 💧 0.014 in 💨 13 mph

Tuesday, Sep 15Tue Sep 15

Moderate rain 70°/56° 💧 0.793 in 💨 13 mph

Wednesday, Sep 16Wed Sep 16

Mostly sunny 71°/55° 💧 None 💨 7 mph

Thursday, Sep 17Thu Sep 17

Overcast 75°/59° 💧 None 💨 6 mph

Friday, Sep 18Fri Sep 18

Mostly sunny 76°/60° 💧 0.001 in 💨 6 mph

Saturday, Sep 19Sat Sep 19

Mostly sunny 76°/60° 💧 0.002 in 💨 11 mph

Sunday, Sep 20Sun Sep 20

Mostly sunny 67°/64° 💧 0.001 in 💨 10 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Atglen

Vertical axis: °F · Color based on temperature

AIR QUALITY FORECAST

Air Quality Forecast for Atglen

Hourly forecast · Updated every 2 hours

Fair

Nearest forecast value 6:00 PM

PM2.5 Fine particles Good 5,4µg/m³

Microscopic particles that can penetrate deep into the lungs. Elevated concentrations can especially affect children, older adults and people with respiratory conditions.

PM10 Particulate matter Good 6,5µg/m³

Includes dust, pollen and other airborne particles. High concentrations may irritate the respiratory system.

O₃ Ozone Fair 66,6µg/m³

Ground-level ozone can irritate the eyes and respiratory system when concentrations are elevated.

NO₂ Nitrogen dioxide Good 11,2µg/m³

A gas emitted mainly by traffic and some industrial activity. High exposure can affect respiratory health.

Air quality is acceptable for most people.

UV & HEALTH

UV, Sun & Health Outlook in Atglen

Maximum daily UV Today, tomorrow and the following day show the maximum UV index forecast for each day.

0–2 Low 3–5 Moderate 6–7 High 8–10 Very high 11+ Extreme

Today UV 6,6High 🙂Fair

Tomorrow UV 7,0High 🙂Fair

Monday UV 6,8High 😐Moderate

Tuesday UV 6,7High 😐Moderate

Wednesday UV 7,2High 😐Moderate

Thursday UV 7,0High —Unavailable

Friday UV 6,0High —Unavailable

Hourly UV index today

6:00 PMUV 0,4 7:00 PMUV 0,0

Today's weather health advice Open today's recommendations.

Strong UV exposure

Protect exposed skin with SPF 30+ sunscreen, wear sunglasses, and try to limit direct midday sun.

Acceptable air quality

Air quality is acceptable for most people. Very sensitive people may want to reduce prolonged exertion.

Stay hydrated

Drink water regularly, especially during physical activity or prolonged sun exposure.

Good conditions for outdoor activities

Outdoor activities can generally be enjoyed normally, with sun protection adjusted to the UV level.

WIND OUTLOOK

Hourly Wind Forecast for Atglen

Vertical axis: mph · Horizontal axis: hours

Sustained wind Max gusts

NIGHT SKY · ATGLEN, PENNSYLVANIA

Tonight's Stargazing & Shooting Stars

Excellent observing conditions. Best local viewing window: 1:00 AM–2:00 AM.

99/100Best-hour score

BEST TIME TONIGHT 1:00 AM–2:00 AM Astronomical darkness: 9:03 PM–5:02 AM

☁ Cloud cover 2% Real hourly forecast for the best viewing hour.

☾ Moonlight 32% Last Quarter · Moon below the horizon at the best viewing hour.

☄ Meteor activity September ε-Perseids Reference ZHR 8 · Radiant 42° high at the best hour.

✦ Estimated visible meteors 1–3/hour Local estimate after weather, moonlight and radiant-height adjustments.

Chance ≥1 meteor in 30 min67%

UPCOMING METEOR PERIODSStart, peak and end dates · weather should be checked closer to the peak.

AUG 28–SEP 5

AurigidsStart AUG 28 · Peak SEP 1 · End SEP 5 · ZHR 6 · 80% Moon at peak

ACTIVE NOW

SEP 5–SEP 21

September ε-PerseidsStart SEP 5 · Peak SEP 9 · End SEP 21 · ZHR 8 · 6% Moon at peak

ACTIVE NOW

SEP 20–NOV 20

Southern TauridsStart SEP 20 · Peak NOV 5 · End NOV 20 · ZHR 7 · 20% Moon at peak

UPCOMING

OCT 2–NOV 7

OrionidsStart OCT 2 · Peak OCT 21 · End NOV 7 · ZHR 20 · 77% Moon at peak

UPCOMING

Experimental local observing estimate. Weather values come from the hourly forecast already used on this page. Moon position and astronomical darkness are calculated locally from time and coordinates. Meteor-shower ZHR describes ideal conditions and is not the number of meteors a person should expect to see locally.

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Forecast data for Atglen were last refreshed today at 5:17 PM. The current forecast period extends through 07/09/2026 at 3:00 PM. Weather, air-quality and UV-index data are provided through WEATHER-INFO.COM. Forecasts are produced automatically from the latest available data and are subject to periodic technical checks. This service is intended for general weather information.