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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

33°F

1°C

Humidity 100%
Wind Speed Calm
Barometer 29.96 in (1014.8 mb)
Dewpoint 33°F (1°C)
Visibility 1.00 mi
Last update 18 Feb 4:56 am EST
Extended Forecast for

Harrisburg International Airport PA

  • Overnight

    Overnight: A slight chance of rain. Patchy fog. Otherwise, cloudy, with a low around 33. Calm wind. Chance of precipitation is 20%.

    Low: 33 °F

    Slight Chance
    Rain and
    Patchy Fog

  • Wednesday

    Wednesday: Rain likely, mainly between 3pm and 5pm. Patchy dense fog before 10am. Otherwise, cloudy, with a high near 46. Calm wind. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    High: 46 °F

    Chance Rain
    and Patchy
    Dense Fog
    then Rain
    Likely

  • Wednesday Night

    Wednesday Night: Cloudy, with a low around 38. Light and variable wind.

    Low: 38 °F

    Cloudy

  • Thursday

    Thursday: Rain likely, mainly after 1pm. Cloudy, with a high near 46. Light northeast wind becoming east 5 to 9 mph in the morning. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 46 °F

    Slight Chance
    Rain then
    Rain Likely

  • Thursday Night

    Thursday Night: Rain. Low around 37. East wind around 9 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 37 °F

    Rain

  • Friday

    Friday: Rain, mainly before 1pm. High near 47. Chance of precipitation is 80%. 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: Mostly sunny, with a high near 49.

    High: 49 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A chance of rain and snow after 1am. Mostly cloudy, with a low around 31. Chance of precipitation is 30%.

    Low: 31 °F

    Mostly Cloudy
    then Chance
    Rain/Snow

Detailed Forecast

Overnight
A slight chance of rain. Patchy fog. Otherwise, cloudy, with a low around 33. Calm wind. Chance of precipitation is 20%.
Wednesday
Rain likely, mainly between 3pm and 5pm. Patchy dense fog before 10am. Otherwise, cloudy, with a high near 46. Calm wind. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
Cloudy, with a low around 38. Light and variable wind.
Thursday
Rain likely, mainly after 1pm. Cloudy, with a high near 46. Light northeast wind becoming east 5 to 9 mph in the morning. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
Rain. Low around 37. East wind around 9 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Friday
Rain, mainly before 1pm. High near 47. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Friday Night
Mostly cloudy, with a low around 34.
Saturday
Mostly sunny, with a high near 49.
Saturday Night
A chance of rain and snow after 1am. Mostly cloudy, with a low around 31. Chance of precipitation is 30%.
Sunday
A chance of rain and snow before 1pm, then snow likely. Mostly cloudy, with a high near 38. Chance of precipitation is 60%.
Sunday Night
A chance of snow. Mostly cloudy, with a low around 27. Chance of precipitation is 40%.
Monday
Mostly cloudy, with a high near 38.
Monday Night
Mostly cloudy, with a low around 20.
Tuesday
Mostly sunny, with a high near 34.
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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:
4:56 am EST Feb 18, 2026
Forecast Valid:
5am EST Feb 18, 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

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation