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Hazardous Weather Conditions

Current conditions at

Harrisburg, Harrisburg International Airport (KMDT)

Lat: 40.19°NLon: 76.76°WElev: 312ft.

Fog/Mist

39°F

4°C

Humidity 89%
Wind Speed S 3 mph
Barometer 30.09 in (1019.1 mb)
Dewpoint 36°F (2°C)
Visibility 6.00 mi
Last update 17 Feb 5:56 pm EST
Extended Forecast for

Harrisburg International Airport PA

  • Tonight

    Tonight: Widespread dense fog, mainly after 1am. Otherwise, mostly cloudy, with a low around 35. Calm wind.

    Low: 35 °F

    Mostly Cloudy
    then Dense
    Fog

  • Wednesday

    Wednesday: A chance of rain, mainly between 1pm and 4pm. Widespread dense fog, mainly before 8am. Otherwise, cloudy, with a high near 49. Calm wind becoming south around 6 mph in the afternoon. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    High: 49 °F

    Chance Rain
    and Dense Fog

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 38. Southwest wind 3 to 6 mph.

    Low: 38 °F

    Mostly Cloudy

  • Thursday

    Thursday: A chance of rain after 1pm. Cloudy, with a high near 45. Calm wind becoming east 5 to 8 mph in the morning. Chance of precipitation is 40%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 45 °F

    Cloudy then
    Chance Rain

  • Thursday Night

    Thursday Night: Rain likely, mainly after 1am. Cloudy, with a low around 36. East wind around 8 mph. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 36 °F

    Rain Likely

  • Friday

    Friday: Rain. High near 47. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 47 °F

    Rain

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 34.

    Low: 34 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 49.

    High: 49 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A chance of rain and snow showers after 1am. Partly cloudy, with a low around 30. Chance of precipitation is 30%.

    Low: 30 °F

    Partly Cloudy
    then Chance
    Rain/Snow

Detailed Forecast

Tonight
Widespread dense fog, mainly after 1am. Otherwise, mostly cloudy, with a low around 35. Calm wind.
Wednesday
A chance of rain, mainly between 1pm and 4pm. Widespread dense fog, mainly before 8am. Otherwise, cloudy, with a high near 49. Calm wind becoming south around 6 mph in the afternoon. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
Mostly cloudy, with a low around 38. Southwest wind 3 to 6 mph.
Thursday
A chance of rain after 1pm. Cloudy, with a high near 45. Calm wind becoming east 5 to 8 mph in the morning. Chance of precipitation is 40%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday Night
Rain likely, mainly after 1am. Cloudy, with a low around 36. East wind around 8 mph. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.
Friday
Rain. High near 47. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Friday Night
Mostly cloudy, with a low around 34.
Saturday
Partly sunny, with a high near 49.
Saturday Night
A chance of rain and snow showers after 1am. Partly cloudy, with a low around 30. Chance of precipitation is 30%.
Sunday
A chance of rain and snow showers before 1pm, then a chance of snow showers. Mostly cloudy, with a high near 39. Chance of precipitation is 50%.
Sunday Night
A chance of snow showers. Mostly cloudy, with a low around 27. Chance of precipitation is 30%.
Monday
Partly sunny, with a high near 36. Breezy.
Monday Night
Mostly cloudy, with a low around 19.
Tuesday
Sunny, with a high near 33.
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ABOUT THIS FORECAST

 
Point Forecast:
Harrisburg International Airport PA
 40.2°N 76.77°W (Elev. 299 ft)
Last Update:
3:31 pm EST Feb 17, 2026
Forecast Valid:
6pm EST Feb 17, 2026-6pm EST Feb 24, 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