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Now · 7:43 PM

Devon, PA Weather Forecast – Hourly & 15-Day

United States · Pennsylvania

65°F

Overcast night

Feels like: 56°F

💧 Humidity 45% 🌡 Pressure 29.97 inHg 💨 Wind 14 mph 👁 Visibility 28.1 mi ☁ Clouds 100% ☀️ UV index 0.0 · Low 🌅 Sunrise 6:51 AM 🌇 Sunset 6:55 PM

Hourly Forecast for Devon

Today

8:00 PM

Overcast night

65° 💧 0 in 💨 14 mph 45%29.97 inHg

11:00 PM

Overcast night

63° 💧 0 in 💨 14 mph 51%29.94 inHg

Tomorrow

2:00 AM

Overcast night

62° 💧 0.001 in 💨 13 mph 54%29.88 inHg

5:00 AM

Overcast night

61° 💧 0.000 in 💨 16 mph 54%29.85 inHg

8:00 AM

Light rain

59° 💧 0.036 in 💨 18 mph 63%29.83 inHg

11:00 AM

Light rain

60° 💧 0.165 in 💨 15 mph 73%29.83 inHg

2:00 PM

Light rain

61° 💧 0.013 in 💨 16 mph 70%29.77 inHg

5:00 PM

Light rain

61° 💧 0.004 in 💨 16 mph 76%29.77 inHg

8:00 PM

Overcast night

62° 💧 0.000 in 💨 15 mph 66%29.77 inHg

11:00 PM

Overcast night

62° 💧 0 in 💨 14 mph 68%29.74 inHg

Sunday

2:00 AM

Overcast night

63° 💧 0 in 💨 14 mph 61%29.71 inHg

5:00 AM

Overcast night

60° 💧 0.242 in 💨 14 mph 67%29.62 inHg

8:00 AM

Moderate rain

56° 💧 0.452 in 💨 16 mph 95%29.59 inHg

11:00 AM

Moderate rain

57° 💧 0.339 in 💨 18 mph 95%29.56 inHg

2:00 PM

Light rain

61° 💧 0.026 in 💨 16 mph 88%29.56 inHg

5:00 PM

Light rain

61° 💧 0.023 in 💨 13 mph 89%29.59 inHg

Today

8:00 PM

Overcast night

65° 💧 0 in 💨 14 mph 45%29.97 inHg

9:00 PM

Overcast night

65° 💧 0 in 💨 14 mph 49%29.97 inHg

10:00 PM

Overcast night

64° 💧 0 in 💨 14 mph 51%29.97 inHg

11:00 PM

Overcast night

63° 💧 0 in 💨 14 mph 51%29.94 inHg

Tomorrow

12:00 AM

Mostly cloudy night

63° 💧 0 in 💨 14 mph 53%29.94 inHg

1:00 AM

Overcast night

62° 💧 0 in 💨 13 mph 54%29.91 inHg

2:00 AM

Overcast night

62° 💧 0 in 💨 13 mph 54%29.88 inHg

3:00 AM

Overcast night

62° 💧 0 in 💨 13 mph 53%29.88 inHg

4:00 AM

Overcast night

61° 💧 0.001 in 💨 14 mph 54%29.85 inHg

5:00 AM

Overcast night

61° 💧 0.000 in 💨 16 mph 54%29.85 inHg

6:00 AM

Overcast night

62° 💧 0 in 💨 18 mph 52%29.83 inHg

7:00 AM

Overcast

62° 💧 0 in 💨 17 mph 51%29.85 inHg

8:00 AM

Light rain

59° 💧 0.017 in 💨 18 mph 63%29.83 inHg

9:00 AM

Light rain

59° 💧 0.014 in 💨 18 mph 68%29.83 inHg

10:00 AM

Light rain

60° 💧 0.005 in 💨 17 mph 68%29.83 inHg

11:00 AM

Light rain

60° 💧 0.042 in 💨 15 mph 73%29.83 inHg

12:00 PM

Moderate rain

59° 💧 0.112 in 💨 17 mph 84%29.83 inHg

1:00 PM

Light rain

59° 💧 0.011 in 💨 16 mph 78%29.80 inHg

2:00 PM

Light rain

61° 💧 0.005 in 💨 16 mph 70%29.77 inHg

3:00 PM

Overcast

61° 💧 0 in 💨 15 mph 73%29.77 inHg

4:00 PM

Light rain

61° 💧 0.008 in 💨 16 mph 76%29.77 inHg

5:00 PM

Light rain

61° 💧 0.004 in 💨 16 mph 76%29.77 inHg

6:00 PM

Overcast

61° 💧 0 in 💨 15 mph 74%29.77 inHg

7:00 PM

Overcast night

62° 💧 0 in 💨 15 mph 68%29.77 inHg

8:00 PM

Overcast night

62° 💧 0 in 💨 15 mph 66%29.77 inHg

9:00 PM

Overcast night

62° 💧 0 in 💨 15 mph 67%29.77 inHg

10:00 PM

Overcast night

62° 💧 0.000 in 💨 14 mph 67%29.77 inHg

11:00 PM

Overcast night

62° 💧 0 in 💨 14 mph 68%29.74 inHg

Sunday

12:00 AM

Overcast night

62° 💧 0 in 💨 14 mph 66%29.74 inHg

1:00 AM

Overcast night

63° 💧 0 in 💨 14 mph 63%29.71 inHg

2:00 AM

Overcast night

63° 💧 0 in 💨 14 mph 61%29.71 inHg

3:00 AM

Overcast night

62° 💧 0 in 💨 15 mph 61%29.68 inHg

4:00 AM

Overcast night

62° 💧 0 in 💨 16 mph 63%29.65 inHg

5:00 AM

Overcast night

60° 💧 0.001 in 💨 14 mph 67%29.62 inHg

6:00 AM

Light rain

57° 💧 0.053 in 💨 15 mph 86%29.62 inHg

7:00 AM

Moderate rain

56° 💧 0.188 in 💨 15 mph 94%29.62 inHg

8:00 AM

Moderate rain

56° 💧 0.178 in 💨 16 mph 95%29.59 inHg

9:00 AM

Moderate rain

56° 💧 0.240 in 💨 18 mph 95%29.56 inHg

10:00 AM

Light rain

56° 💧 0.034 in 💨 18 mph 95%29.56 inHg

11:00 AM

Moderate rain

57° 💧 0.193 in 💨 18 mph 95%29.56 inHg

12:00 PM

Moderate rain

57° 💧 0.136 in 💨 18 mph 95%29.53 inHg

1:00 PM

Light rain

59° 💧 0.010 in 💨 17 mph 92%29.53 inHg

2:00 PM

Light rain

61° 💧 0.008 in 💨 16 mph 88%29.56 inHg

3:00 PM

Light rain

61° 💧 0.006 in 💨 15 mph 85%29.56 inHg

4:00 PM

Light rain

61° 💧 0.012 in 💨 13 mph 87%29.56 inHg

5:00 PM

Light rain

61° 💧 0.013 in 💨 13 mph 89%29.59 inHg

6:00 PM

Light rain

61° 💧 0.007 in 💨 12 mph 90%29.59 inHg

7:00 PM

Overcast night

61° 💧 0.003 in 💨 11 mph 89%29.62 inHg

8:00 PM

Light rain

60° 💧 0.023 in 💨 12 mph 92%29.62 inHg

9:00 PM

Light rain

60° 💧 0.062 in 💨 11 mph 96%29.65 inHg

10:00 PM

Light rain

60° 💧 0.057 in 💨 11 mph 97%29.65 inHg

11:00 PM

Light rain

59° 💧 0.034 in 💨 11 mph 97%29.65 inHg

Monday

12:00 AM

Light rain

59° 💧 0.031 in 💨 11 mph 98%29.65 inHg

1:00 AM

Light rain

59° 💧 0.017 in 💨 11 mph 98%29.65 inHg

2:00 AM

Light rain

59° 💧 0.009 in 💨 10 mph 98%29.65 inHg

3:00 AM

Light rain

59° 💧 0.008 in 💨 10 mph 98%29.65 inHg

4:00 AM

Light rain

59° 💧 0.018 in 💨 10 mph 98%29.65 inHg

5:00 AM

Light rain

59° 💧 0.018 in 💨 10 mph 98%29.68 inHg

6:00 AM

Light rain

59° 💧 0.008 in 💨 9 mph 97%29.68 inHg

7:00 AM

Light rain

59° 💧 0.005 in 💨 9 mph 98%29.71 inHg

8:00 AM

Overcast

59° 💧 0.002 in 💨 8 mph 97%29.74 inHg

In Devon and, more broadly, across the state of Pennsylvania: This morning will start with mostly cloudy skies and mild temperatures ranging from 55 to 64 degrees Fahrenheit. Light northeast winds will blow at around 8 mph, with gusts reaching up to 19 mph. As the day progresses, the sky will remain mostly cloudy, and there is a high likelihood of rain, with total accumulation around 0.24 inches. Winds will continue to be light, but gusts may be slightly stronger during the storm. Temperatures are expected to stay within the mild range through the afternoon, making for a relatively comfortable day despite the unsettled weather. Be prepared for the possibility of rain, especially later in the day.

15-Day Weather Outlook for Devon

TomorrowTomorrow

Mostly cloudy 63°/59° 💧 0 in 💨 18 mph

Sunday, September 27Sun, Sep. 27

Overcast 63°/56° 💧 0 in 💨 18 mph

Monday, September 28Mon, Sep. 28

Overcast 59°/59° 💧 0 in 💨 11 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Devon

Vertical axis: °F · Horizontal axis: hours · Color based on temperature

AIR QUALITY FORECAST

Air Quality Forecast for Devon

Hourly forecast · Updated every 2 hours

Fair

Nearest forecast value 8:00 PM

PM2.5 PM2.5 Good 2,4µg/m³

Air quality is favorable for outdoor activities.

PM10 PM10 Good 3,3µg/m³

Air quality is favorable for outdoor activities.

O₃ O₃ Fair 90,1µg/m³

Air quality is acceptable for most people.

NO₂ NO₂ Good 5,4µg/m³

Air quality is favorable for outdoor activities.

Air quality is acceptable for most people.

HEALTH & EXPOSURE

UV, Sun & Health Outlook in Devon

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 1,6Low 🙂Fair

Tomorrow UV 1,3Low 🙂Fair

Monday UV 0,1Low 😊Good

Hourly UV index tomorrow

7:00 AMUV 0,0 8:00 AMUV 0,1 9:00 AMUV 0,4 10:00 AMUV 0,5 11:00 AMUV 1,4 12:00 PMUV 1,2 1:00 PMUV 1,1 2:00 PMUV 1,6 3:00 PMUV 1,2 4:00 PMUV 0,9 5:00 PMUV 0,6 6:00 PMUV 0,3 7:00 PMUV 0,1

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

Low UV risk

UV radiation will be low, although basic protection is still advisable during prolonged exposure.

Acceptable air quality

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

Comfortable temperature conditions

Temperatures should feel comfortable for most people, with no particular heat or cold precautions needed.

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 Devon

Vertical axis: mph · Horizontal axis: hours

Sustained wind Max gusts

The technical data used to calculate this forecast for Devon were updated today at 7:43 PM. The displayed forecasts cover the period through 27/09/2026 at 5:00 PM. Weather and air-quality data provided by WEATHER-INFO.COM. UV-index data derived from ECMWF UVB by WEATHER PORTAL. Weather information is generated automatically and periodically reviewed by our technical team.

NIGHT SKY · DEVON, PENNSYLVANIA

Tonight's Stargazing & Shooting Stars

Local night-sky conditions and meteor activity for Jasper.

29/100Best-hour score

No good viewing window tonight Astronomical darkness exists, but current sky conditions are unfavorable.

☁ Cloud cover 80% Real hourly forecast for the best viewing hour.

☾ Moonlight 100% Full Moon · Moon about 50° above the horizon at the best viewing hour.

☄ Meteor activity Southern Taurids Reference ZHR 7 · Radiant 31° high at the best hour.

✦ Estimated visible meteors Poor visibility Meteor activity may occur above the clouds, but local viewing conditions are not suitable.

Chance ≥1 meteor in 30 minNot meaningful

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

SEP 20–NOV 20

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

ACTIVE NOW

OCT 2–NOV 7

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

UPCOMING

OCT 20–DEC 10

Northern TauridsStart OCT 20 · Peak NOV 12 · End DEC 10 · ZHR 5 · 7% Moon at peak

UPCOMING

NOV 6–NOV 30

LeonidsStart NOV 6 · Peak NOV 17 · End NOV 30 · ZHR 15 · 52% 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.