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.

Overcast

28°F

-2°C

Humidity 81%
Wind Speed SE 7 mph
Barometer 29.84 in (1010.7 mb)
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Wind Chill21°F (-6°C)
Last update 10 Dec 2:56 am EST
Extended Forecast for

2 Miles W Mount Gretna PA

  • Overnight

    Overnight: Cloudy, with a low around 26. South wind around 8 mph.

    Low: 26 °F

    Cloudy

  • Wednesday

    Wednesday: Rain and snow likely before 1pm, then rain. High near 39. South wind 9 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.

    High: 39 °F

    Chance
    Rain/Snow
    then Rain

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 27. Southwest wind 10 to 18 mph becoming northwest after midnight. Winds could gust as high as 28 mph.

    Low: 27 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 33. Breezy, with a west wind around 21 mph, with gusts as high as 37 mph.

    High: 33 °F

    Partly Sunny
    and Breezy

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 24. Breezy, with a west wind 13 to 20 mph, with gusts as high as 30 mph.

    Low: 24 °F

    Partly Cloudy
    and Breezy
    then Partly
    Cloudy

  • Friday

    Friday: A slight chance of snow showers after 1pm. Mostly cloudy, with a high near 34. Chance of precipitation is 20%.

    High: 34 °F

    Mostly Cloudy
    then Slight
    Chance Snow
    Showers

  • Friday Night

    Friday Night: A chance of snow showers. Mostly cloudy, with a low around 24. Chance of precipitation is 40%.

    Low: 24 °F

    Chance Snow
    Showers

  • Saturday

    Saturday: Mostly cloudy, with a high near 36.

    High: 36 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: A chance of snow showers. Mostly cloudy, with a low around 23. Chance of precipitation is 40%.

    Low: 23 °F

    Chance Snow
    Showers

Detailed Forecast

Overnight
Cloudy, with a low around 26. South wind around 8 mph.
Wednesday
Rain and snow likely before 1pm, then rain. High near 39. South wind 9 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.
Wednesday Night
Mostly cloudy, with a low around 27. Southwest wind 10 to 18 mph becoming northwest after midnight. Winds could gust as high as 28 mph.
Thursday
Partly sunny, with a high near 33. Breezy, with a west wind around 21 mph, with gusts as high as 37 mph.
Thursday Night
Partly cloudy, with a low around 24. Breezy, with a west wind 13 to 20 mph, with gusts as high as 30 mph.
Friday
A slight chance of snow showers after 1pm. Mostly cloudy, with a high near 34. Chance of precipitation is 20%.
Friday Night
A chance of snow showers. Mostly cloudy, with a low around 24. Chance of precipitation is 40%.
Saturday
Mostly cloudy, with a high near 36.
Saturday Night
A chance of snow showers. Mostly cloudy, with a low around 23. Chance of precipitation is 40%.
Sunday
Partly sunny, with a high near 29.
Sunday Night
Partly cloudy, with a low around 16.
Monday
Mostly sunny, with a high near 28.
Monday Night
Mostly cloudy, with a low around 18.
Tuesday
Partly sunny, with a high near 33.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles W Mount Gretna PA
 40.24°N 76.5°W (Elev. 673 ft)
Last Update:
2:41 am EST Dec 10, 2025
Forecast Valid:
3am EST Dec 10, 2025-6pm EST Dec 16, 2025
 
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