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

Hazardous Weather Conditions

Current conditions at

Harrisburg, Harrisburg International Airport (KMDT)

Lat: 40.19°NLon: 76.76°WElev: 312ft.

Fog/Mist

35°F

2°C

Humidity 100%
Wind Speed Calm
Barometer 30.21 in (1023.4 mb)
Dewpoint 35°F (2°C)
Visibility 0.75 mi
Last update 4 Mar 12:56 am EST
Extended Forecast for

Harrisburg International Airport PA

  • Overnight

    Overnight: A chance of rain, mainly before 2am. Patchy fog. Otherwise, cloudy, with a low around 35. Light and variable wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 35 °F

    Chance Rain
    and Patchy
    Fog

  • Wednesday

    Wednesday: A chance of showers after 2pm. Areas of fog before 8am. Otherwise, cloudy, with a high near 53. Calm wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 53 °F

    Areas Fog
    then Chance
    Showers

  • Wednesday Night

    Wednesday Night: Showers, mainly after 1am. Low around 42. Calm wind. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 42 °F

    Chance
    Showers then
    Showers

  • Thursday

    Thursday: Showers likely, with thunderstorms also possible after 4pm. Cloudy, with a high near 57. Calm wind becoming southeast around 6 mph in the afternoon. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 57 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: Showers and possibly a thunderstorm. Low around 46. Southeast wind 3 to 6 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 46 °F

    Showers

  • Friday

    Friday: A slight chance of showers before 1pm. Partly sunny, with a high near 65. Chance of precipitation is 20%.

    High: 65 °F

    Slight Chance
    Showers

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 45.

    Low: 45 °F

    Mostly Cloudy

  • Saturday

    Saturday: A chance of showers after 1pm. Mostly cloudy, with a high near 63. Chance of precipitation is 40%.

    High: 63 °F

    Mostly Cloudy
    then Chance
    Showers

  • Saturday Night

    Saturday Night: Showers likely before 1am. Mostly cloudy, with a low around 50. Chance of precipitation is 60%.

    Low: 50 °F

    Showers
    Likely

Detailed Forecast

Overnight
A chance of rain, mainly before 2am. Patchy fog. Otherwise, cloudy, with a low around 35. Light and variable wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
A chance of showers after 2pm. Areas of fog before 8am. Otherwise, cloudy, with a high near 53. Calm wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
Showers, mainly after 1am. Low around 42. Calm wind. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday
Showers likely, with thunderstorms also possible after 4pm. Cloudy, with a high near 57. Calm wind becoming southeast around 6 mph in the afternoon. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night
Showers and possibly a thunderstorm. Low around 46. Southeast wind 3 to 6 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Friday
A slight chance of showers before 1pm. Partly sunny, with a high near 65. Chance of precipitation is 20%.
Friday Night
Mostly cloudy, with a low around 45.
Saturday
A chance of showers after 1pm. Mostly cloudy, with a high near 63. Chance of precipitation is 40%.
Saturday Night
Showers likely before 1am. Mostly cloudy, with a low around 50. Chance of precipitation is 60%.
Sunday
Mostly sunny, with a high near 61.
Sunday Night
Partly cloudy, with a low around 47.
Monday
Mostly sunny, with a high near 66.
Monday Night
Partly cloudy, with a low around 45.
Tuesday
Mostly sunny, with a high near 67.
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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:
12:32 am EST Mar 4, 2026
Forecast Valid:
1am EST Mar 4, 2026-6pm EDT Mar 10, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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