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

Heavy to Excessive Rainfall for the Southwest;

Tropical moisture from Priscilla will bring a multi-day thunderstorm, widespread heavy rainfall and flash flooding event across the Southwest/Four Corners region. Flash flooding will be a concern in burn scars, slot canyons, and urban areas. Widespread storms are expected in central/South Florida with some isolated flash flooding possible. Read More >

Hazardous Weather Conditions

Current conditions at

Harrisburg, Capital City Airport (KCXY)

Lat: 40.22°NLon: 76.86°WElev: 335ft.

Fair

55°F

13°C

Humidity 49%
Wind Speed NW 5 mph
Barometer 30.35 in (1027.7 mb)
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Wind Chill54°F (12°C)
Last update 9 Oct 1:56 am EDT
Extended Forecast for

2 Miles SSE Lower Allen PA

Frost Advisory October 9, 11:00pm until October 10, 09:00am
Click here for hazard details and duration
Frost Advisory

  • Overnight

    Overnight: Clear, with a low around 44. North wind around 7 mph.

    Low: 44 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 60. North wind 7 to 10 mph.

    High: 60 °F

    Sunny

  • Thursday Night

    Thursday Night: Areas of frost after 5am. Otherwise, clear, with a low around 35. Light northeast wind.

    Low: 35 °F

    Clear then
    Areas Frost

  • Friday

    Friday: Areas of frost before 9am. Otherwise, sunny, with a high near 64. Calm wind becoming south 5 to 8 mph in the afternoon.

    High: 64 °F

    Areas Frost
    then Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 45. Southeast wind around 6 mph becoming calm in the evening.

    Low: 45 °F

    Partly Cloudy

  • Saturday

    Saturday: A slight chance of showers after 2pm. Partly sunny, with a high near 67. Chance of precipitation is 20%.

    High: 67 °F

    Partly Sunny
    then Slight
    Chance
    Showers

  • Saturday Night

    Saturday Night: A chance of showers after 8pm. Mostly cloudy, with a low around 55. Chance of precipitation is 50%.

    Low: 55 °F

    Chance
    Showers

  • Sunday

    Sunday: Showers likely, mainly after 2pm. Mostly cloudy, with a high near 62. Chance of precipitation is 60%.

    High: 62 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: Showers likely, mainly before 8pm. Mostly cloudy, with a low around 50. Chance of precipitation is 60%.

    Low: 50 °F

    Showers
    Likely

Detailed Forecast

Overnight
Clear, with a low around 44. North wind around 7 mph.
Thursday
Sunny, with a high near 60. North wind 7 to 10 mph.
Thursday Night
Areas of frost after 5am. Otherwise, clear, with a low around 35. Light northeast wind.
Friday
Areas of frost before 9am. Otherwise, sunny, with a high near 64. Calm wind becoming south 5 to 8 mph in the afternoon.
Friday Night
Partly cloudy, with a low around 45. Southeast wind around 6 mph becoming calm in the evening.
Saturday
A slight chance of showers after 2pm. Partly sunny, with a high near 67. Chance of precipitation is 20%.
Saturday Night
A chance of showers after 8pm. Mostly cloudy, with a low around 55. Chance of precipitation is 50%.
Sunday
Showers likely, mainly after 2pm. Mostly cloudy, with a high near 62. Chance of precipitation is 60%.
Sunday Night
Showers likely, mainly before 8pm. Mostly cloudy, with a low around 50. Chance of precipitation is 60%.
Columbus Day
A chance of showers. Partly sunny, with a high near 60. Chance of precipitation is 40%.
Monday Night
Mostly cloudy, with a low around 51.
Tuesday
Mostly sunny, with a high near 68.
Tuesday Night
Partly cloudy, with a low around 51.
Wednesday
Mostly sunny, with a high near 68.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSE Lower Allen PA
 40.19°N 76.89°W (Elev. 597 ft)
Last Update:
2:05 am EDT Oct 9, 2025
Forecast Valid:
2am EDT Oct 9, 2025-6pm EDT Oct 15, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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