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.

Fair and Windy

48°F

9°C

Humidity 32%
Wind Speed NW 26 G 38 mph
Barometer 30.09 in (1019.0 mb)
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Wind Chill40°F (4°C)
Last update 14 Mar 11:56 am EDT
Extended Forecast for

Hummelstown PA

Wind Advisory March 14, 12:59pm until March 14, 02:00pm
Click here for hazard details and duration
...
  •  
    Wind Advisory March 14, 12:59pm until March 14, 02:00pm

    NOW until 2:00pm Sat

    Wind Advisory

  • This Afternoon

    High: 49 °F

    Sunny and
    Breezy

  • Tonight

    Tonight: Increasing clouds, with a low around 34. Northwest wind around 5 mph becoming calm in the evening.

    Low: 34 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Partly sunny, with a high near 54. Southeast wind 8 to 18 mph, with gusts as high as 30 mph.

    High: 54 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Showers. Low around 48. Southeast wind around 16 mph, with gusts as high as 28 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 48 °F

    Showers
    Likely then
    Showers

  • Monday

    Monday: Showers, with thunderstorms also possible after 11am. High near 66. Breezy, with a south wind 15 to 23 mph, with gusts as high as 36 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 66 °F

    Showers and
    Breezy

  • Monday Night

    Monday Night: Rain showers before 11pm, then snow showers, possibly mixed with rain between 11pm and 2am, then a slight chance of snow showers after 2am. Some thunder is also possible. Low around 26. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.

    Low: 26 °F

    Rain/Snow

  • Tuesday

    Tuesday: Partly sunny, with a high near 33. Breezy.

    High: 33 °F

    Mostly Sunny
    then Partly
    Sunny and
    Breezy

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 21.

    Low: 21 °F

    Mostly Clear

Detailed Forecast

This Afternoon
Sunny, with a high near 49. Breezy, with a west wind 18 to 22 mph, with gusts as high as 34 mph.
Tonight
Increasing clouds, with a low around 34. Northwest wind around 5 mph becoming calm in the evening.
Sunday
Partly sunny, with a high near 54. Southeast wind 8 to 18 mph, with gusts as high as 30 mph.
Sunday Night
Showers. Low around 48. Southeast wind around 16 mph, with gusts as high as 28 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday
Showers, with thunderstorms also possible after 11am. High near 66. Breezy, with a south wind 15 to 23 mph, with gusts as high as 36 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Monday Night
Rain showers before 11pm, then snow showers, possibly mixed with rain between 11pm and 2am, then a slight chance of snow showers after 2am. Some thunder is also possible. Low around 26. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.
Tuesday
Partly sunny, with a high near 33. Breezy.
Tuesday Night
Mostly clear, with a low around 21.
Wednesday
Partly sunny, with a high near 38.
Wednesday Night
Mostly cloudy, with a low around 28.
Thursday
Mostly cloudy, with a high near 49.
Thursday Night
Mostly cloudy, with a low around 33.
Friday
Mostly sunny, with a high near 54.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Hummelstown PA
 40.26°N 76.7°W (Elev. 427 ft)
Last Update:
12:51 pm EDT Mar 14, 2026
Forecast Valid:
12pm EDT Mar 14, 2026-6pm EDT Mar 20, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation