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Hazardous Weather Conditions

Current conditions at

Harrisburg, Harrisburg International Airport (KMDT)

Lat: 40.19°NLon: 76.76°WElev: 312ft.

Mostly Cloudy

78°F

26°C

Humidity 40%
Wind Speed Calm
Barometer 29.99 in (1015.4 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 14 Apr 10:56 am EDT
Extended Forecast for

Harrisburg International Airport PA

  • Today

    Today: A chance of showers, with thunderstorms also possible after 5pm. Mostly sunny, with a high near 83. Southwest wind 9 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 83 °F

    Chance
    T-storms

  • Tonight

    Tonight: A chance of showers and thunderstorms before 1am, then a slight chance of showers between 1am and 2am. Mostly cloudy, with a low around 62. West wind around 6 mph becoming calm in the evening. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 62 °F

    Chance
    T-storms then
    Slight Chance
    Showers

  • Wednesday

    Wednesday: A slight chance of showers before 8am, then a slight chance of showers after 2pm. Mostly sunny, with a high near 87. Southwest wind 5 to 11 mph. Chance of precipitation is 20%.

    High: 87 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 64. Southwest wind around 5 mph becoming calm in the evening.

    Low: 64 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 86. Calm wind becoming southwest 5 to 9 mph in the morning.

    High: 86 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: A chance of showers. Mostly cloudy, with a low around 63. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 63 °F

    Chance
    Showers

  • Friday

    Friday: A chance of showers. Partly sunny, with a high near 79. Chance of precipitation is 40%.

    High: 79 °F

    Chance
    Showers

  • Friday Night

    Friday Night: Partly cloudy, with a low around 57.

    Low: 57 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 80.

    High: 80 °F

    Mostly Sunny

Detailed Forecast

Today
A chance of showers, with thunderstorms also possible after 5pm. Mostly sunny, with a high near 83. Southwest wind 9 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
A chance of showers and thunderstorms before 1am, then a slight chance of showers between 1am and 2am. Mostly cloudy, with a low around 62. West wind around 6 mph becoming calm in the evening. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday
A slight chance of showers before 8am, then a slight chance of showers after 2pm. Mostly sunny, with a high near 87. Southwest wind 5 to 11 mph. Chance of precipitation is 20%.
Wednesday Night
Mostly cloudy, with a low around 64. Southwest wind around 5 mph becoming calm in the evening.
Thursday
Partly sunny, with a high near 86. Calm wind becoming southwest 5 to 9 mph in the morning.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 63. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Friday
A chance of showers. Partly sunny, with a high near 79. Chance of precipitation is 40%.
Friday Night
Partly cloudy, with a low around 57.
Saturday
Mostly sunny, with a high near 80.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 56. Chance of precipitation is 40%.
Sunday
A chance of showers. Mostly cloudy, with a high near 67. Chance of precipitation is 50%.
Sunday Night
Partly cloudy, with a low around 39.
Monday
Mostly sunny, with a high near 56.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Harrisburg International Airport PA
 40.2°N 76.77°W (Elev. 299 ft)
Last Update:
8:05 am EDT Apr 14, 2026
Forecast Valid:
11am EDT Apr 14, 2026-6pm EDT Apr 20, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation