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

Harrisburg, Capital City Airport (KCXY)

Lat: 40.22°NLon: 76.86°WElev: 335ft.

Fair

77°F

25°C

Humidity 82%
Wind Speed Calm
Barometer 29.86 in (1010.9 mb)
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 17 Aug 9:56 pm EDT
Extended Forecast for

Carlisle PA

  • Tonight

    Tonight: Patchy fog before 4am, then patchy fog after 5am. Otherwise, mostly cloudy, with a low around 68. Calm wind.

    Low: 68 °F

    Mostly Cloudy
    then Patchy
    Fog

  • Tuesday

    Tuesday: Patchy fog before 8am. Otherwise, sunny, with a high near 84. Calm wind becoming north around 5 mph in the afternoon.

    High: 84 °F

    Patchy Fog
    then Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 61. Calm wind.

    Low: 61 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 85. Calm wind becoming west around 6 mph in the afternoon.

    High: 85 °F

    Sunny

  • Wednesday Night

    Wednesday Night: A slight chance of showers after 2am. Partly cloudy, with a low around 66. Calm wind. Chance of precipitation is 20%.

    Low: 66 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Thursday

    Thursday: A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 81. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 81 °F

    Chance
    Showers then
    Showers
    Likely

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm before 8pm, then a chance of showers. Mostly cloudy, with a low around 62. Chance of precipitation is 60%.

    Low: 62 °F

    Showers
    Likely then
    Chance
    Showers

  • Friday

    Friday: Mostly sunny, with a high near 79.

    High: 79 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A chance of showers after 8pm. Mostly cloudy, with a low around 63. Chance of precipitation is 30%.

    Low: 63 °F

    Chance
    Showers

Detailed Forecast

Tonight
Patchy fog before 4am, then patchy fog after 5am. Otherwise, mostly cloudy, with a low around 68. Calm wind.
Tuesday
Patchy fog before 8am. Otherwise, sunny, with a high near 84. Calm wind becoming north around 5 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 61. Calm wind.
Wednesday
Sunny, with a high near 85. Calm wind becoming west around 6 mph in the afternoon.
Wednesday Night
A slight chance of showers after 2am. Partly cloudy, with a low around 66. Calm wind. Chance of precipitation is 20%.
Thursday
A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 81. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers. Mostly cloudy, with a low around 62. Chance of precipitation is 60%.
Friday
Mostly sunny, with a high near 79.
Friday Night
A chance of showers after 8pm. Mostly cloudy, with a low around 63. Chance of precipitation is 30%.
Saturday
A chance of showers after 2pm. Partly sunny, with a high near 79. Chance of precipitation is 40%.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 64. Chance of precipitation is 40%.
Sunday
A chance of showers. Partly sunny, with a high near 79. Chance of precipitation is 30%.
Sunday Night
A chance of showers. Partly cloudy, with a low around 61. Chance of precipitation is 30%.
Monday
Mostly sunny, with a high near 78.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Carlisle PA
 40.2°N 77.2°W (Elev. 499 ft)
Last Update:
9:26 pm EDT Aug 17, 2026
Forecast Valid:
10pm EDT Aug 17, 2026-6pm EDT Aug 24, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation