Duncannon, Pennsylvania Weather
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Weather Forecast for Duncannon, Pennsylvania : Perry County
Issued: 11:29 pm EDT Aug 31, 2025 Latitude: 40.3981415 Longitude: -77.0230334 View on Google Maps

MouseOver for Detail Forecast
Tonight Labor Day Tuesday Wednesday Thursday Friday Saturday Sunday
Cloudy on Tonight Mostly Sunny on Labor Day Mostly Sunny on Tuesday Mostly Sunny on Wednesday 60% chance of on Thursday 40% chance of on Friday Mostly Sunny on Saturday Sunny on Sunday
Low: 52°F High: 78°F High: 78°F High: 77°F High: 80°F High: 76°F High: 77°F High: 74°F
Low: 54°F Low: 54°F Low: 59°F Low: 60°F Low: 55°F Low: 51°F  
Cloudy Mostly Sunny Mostly Sunny Mostly Sunny Partly Sunny Partly Sunny Mostly Sunny Sunny
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Current Conditions at
HARRISBURG - (KCXY)
59°
Clear
as of 10:56 PM EDST
Rel. Humidity: 77%
Dew Point: 52°F
Visibility: 10 Miles
Pressure: 30.22 in.
Flight Rule: VFR
Wind Data
5 MPH
240° Southwest
Cloud Level(s): Clear
Current Conditions at
MIDDLETWN/HARRISB - (KMDT)
61°
Mostly Clear
as of 10:56 PM EDST
Rel. Humidity: 82%
Dew Point: 55°F
Visibility: 10 Miles
Pressure: 30.21 in.
Flight Rule: VFR
Wind Data
5 MPH
300° Northwest
Cloud Level(s): Few at 4000ft
Current Conditions at
COLLEGE PARK ARPT - (KCGS)
59°
Clear
as of 11:25 PM EDST
Rel. Humidity: 82%
Dew Point: 54°F
Visibility: 10 Miles
Pressure: 30.21 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Cloudy on Tonight Tonight... Partly cloudy, with a low around 52. Calm wind.
Mostly Sunny on Labor Day Labor Day... Mostly sunny, with a high near 78. Calm wind becoming northeast around 5 mph in the afternoon.
Mostly Clear on Monday Night Monday Night... Mostly clear, with a low around 54. Calm wind.
Mostly Sunny on Tuesday Tuesday... Mostly sunny, with a high near 78. Calm wind.
Cloudy on Tuesday Night Tuesday Night... Partly cloudy, with a low around 54. Calm wind.
Mostly Sunny on Wednesday Wednesday... Mostly sunny, with a high near 77.
Mostly Cloudy on Wednesday Night Wednesday Night... Mostly cloudy, with a low around 59.
60% chance of Thursday Thursday... Showers likely after 2pm. Partly sunny, with a high near 80. Chance of precipitation is 60%.
70% chance of rain Thursday Night Thursday Night... Showers likely, mainly before 2am. Mostly cloudy, with a low around 60. Chance of precipitation is 70%.
40% chance of Friday Friday... A chance of showers. Partly sunny, with a high near 76. Chance of precipitation is 40%.
Cloudy on Friday Night Friday Night... Partly cloudy, with a low around 55.
Mostly Sunny on Saturday Saturday... Mostly sunny, with a high near 77.
Mostly Clear on Saturday Night Saturday Night... Mostly clear, with a low around 51.
Sunny on Sunday Sunday... Sunny, with a high near 74.
Current Radar Image


Sun Almanac for Duncannon, Pennsylvania
Sunrise: 06:35 AM
Sunset: 7:41 PM
Civil Sunrise:06:07 AM
Civil Sunset: 8:09 PM
Nautical Sunrise: 05:34 AM
Nautical Sunset: 8:43 PM
Astro Sunrise: 04:59 AM
Astro Sunset: 9:18 PM
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