National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Harrisburg, Capital City Airport (KCXY)

Lat: 40.22°NLon: 76.86°WElev: 335ft.

Fog

42°F

6°C

Humidity 100%
Wind Speed Calm
Barometer 30.19 in (1022.8 mb)
Dewpoint 42°F (6°C)
Visibility 0.50 mi
Last update 5 Mar 2:56 am EST
Extended Forecast for

Duncannon PA

Dense Fog Advisory March 5, 03:51am until March 5, 07:00am
Click here for hazard details and duration
Dense Fog Advisory
  •  
    Dense Fog Advisory March 5, 03:51am until March 5, 07:00am

    NOW until 7:00am Thu

    Dense Fog Advisory

  • Overnight

    Low: 40 °F

    Rain and
    Areas Dense
    Fog

  • Thursday

    Thursday: Rain. Areas of dense fog before noon. High near 47. Calm wind becoming east around 5 mph in the afternoon. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    High: 47 °F

    Rain and
    Areas Dense
    Fog

  • Thursday Night

    Thursday Night: Rain, mainly before 1am. Low around 40. Light east wind. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 40 °F

    Rain then
    Rain Likely

  • Friday

    Friday: Patchy fog before 10am. Otherwise, cloudy, with a high near 50. Calm wind becoming southeast around 5 mph in the afternoon.

    High: 50 °F

    Patchy Fog
    then Cloudy

  • Friday Night

    Friday Night: A slight chance of rain before 1am. Cloudy, with a low around 43. Light southeast wind. Chance of precipitation is 20%.

    Low: 43 °F

    Slight Chance
    Rain

  • Saturday

    Saturday: A chance of showers after 1pm. Mostly cloudy, with a high near 64. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    High: 64 °F

    Cloudy then
    Chance
    Showers

  • Saturday Night

    Saturday Night: Showers likely before 1am, then a chance of rain after 1am. Mostly cloudy, with a low around 51. Chance of precipitation is 70%.

    Low: 51 °F

    Showers
    Likely

  • Sunday

    Sunday: Mostly sunny, with a high near 62.

    High: 62 °F

    Mostly Sunny

Detailed Forecast

Overnight
Rain. Areas of dense fog. Low around 40. Calm wind. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday
Rain. Areas of dense fog before noon. High near 47. Calm wind becoming east around 5 mph in the afternoon. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Thursday Night
Rain, mainly before 1am. Low around 40. Light east wind. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
Friday
Patchy fog before 10am. Otherwise, cloudy, with a high near 50. Calm wind becoming southeast around 5 mph in the afternoon.
Friday Night
A slight chance of rain before 1am. Cloudy, with a low around 43. Light southeast wind. Chance of precipitation is 20%.
Saturday
A chance of showers after 1pm. Mostly cloudy, with a high near 64. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night
Showers likely before 1am, then a chance of rain after 1am. Mostly cloudy, with a low around 51. Chance of precipitation is 70%.
Sunday
Mostly sunny, with a high near 62.
Sunday Night
Partly cloudy, with a low around 43.
Monday
Sunny, with a high near 66.
Monday Night
Mostly clear, with a low around 47.
Tuesday
Mostly sunny, with a high near 73.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 55. Chance of precipitation is 30%.
Wednesday
A chance of showers. Mostly cloudy, with a high near 75. Chance of precipitation is 50%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Duncannon PA
 40.4°N 77.02°W (Elev. 413 ft)
Last Update:
2:26 am EST Mar 5, 2026
Forecast Valid:
3am EST Mar 5, 2026-6pm EDT Mar 11, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation