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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

38°F

3°C

Humidity 89%
Wind Speed S 5 mph
Barometer 30.14 in (1021.0 mb)
Dewpoint 35°F (2°C)
Visibility 4.00 mi
Wind Chill34°F (1°C)
Last update 17 Feb 10:56 am EST
Extended Forecast for

Hummelstown PA

  • Today

    Today: Mostly cloudy, with a high near 51. Light west wind.

    High: 51 °F

    Mostly Cloudy

  • Tonight

    Tonight: Areas of fog after 3am. Otherwise, cloudy, with a low around 38. Calm wind.

    Low: 38 °F

    Mostly Cloudy
    then Areas
    Fog

  • Wednesday

    Wednesday: Rain likely, mainly after 1pm. Patchy fog between 8am and 10am. Otherwise, cloudy, with a high near 50. Calm wind becoming south around 6 mph in the afternoon. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 50 °F

    Chance Rain
    and Patchy
    Fog then Rain
    Likely

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 40. West wind around 6 mph.

    Low: 40 °F

    Partly Cloudy

  • Thursday

    Thursday: A chance of rain after 1pm. Mostly cloudy, with a high near 49. North wind around 6 mph becoming east in the afternoon. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 49 °F

    Mostly Cloudy
    then Chance
    Rain

  • Thursday Night

    Thursday Night: Rain likely, mainly after 1am. Cloudy, with a low around 37. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 37 °F

    Rain Likely

  • Friday

    Friday: Rain, mainly before 1pm. High near 47. Chance of precipitation is 80%.

    High: 47 °F

    Rain

  • Friday Night

    Friday Night: A chance of rain before 1am. Mostly cloudy, with a low around 35. Chance of precipitation is 30%.

    Low: 35 °F

    Chance Rain

  • Saturday

    Saturday: Partly sunny, with a high near 47.

    High: 47 °F

    Partly Sunny

Detailed Forecast

Today
Mostly cloudy, with a high near 51. Light west wind.
Tonight
Areas of fog after 3am. Otherwise, cloudy, with a low around 38. Calm wind.
Wednesday
Rain likely, mainly after 1pm. Patchy fog between 8am and 10am. Otherwise, cloudy, with a high near 50. Calm wind becoming south around 6 mph in the afternoon. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
Partly cloudy, with a low around 40. West wind around 6 mph.
Thursday
A chance of rain after 1pm. Mostly cloudy, with a high near 49. North wind around 6 mph becoming east in the afternoon. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
Rain likely, mainly after 1am. Cloudy, with a low around 37. Chance of precipitation is 60%. 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%.
Friday Night
A chance of rain before 1am. Mostly cloudy, with a low around 35. Chance of precipitation is 30%.
Saturday
Partly sunny, with a high near 47.
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. Mostly cloudy, with a high near 40. Chance of precipitation is 40%.
Sunday Night
A chance of snow. Mostly cloudy, with a low around 27. Chance of precipitation is 30%.
Monday
Partly sunny, with a high near 36.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Hummelstown PA
 40.26°N 76.7°W (Elev. 427 ft)
Last Update:
8:26 am EST Feb 17, 2026
Forecast Valid:
11am EST Feb 17, 2026-6pm EST Feb 23, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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