Current conditions at

Harrisburg, Harrisburg International Airport (KMDT)

Lat: 40.19°NLon: 76.76°WElev: 312ft.

Partly Cloudy

50°F

10°C

Humidity 57%
Wind Speed SE 8 mph
Barometer 30.01 in (1016.5 mb)
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Wind Chill47°F (8°C)
Last update 20 Mar 10:56 am EDT
Extended Forecast for

Hallam PA

  • Today

    Today: A chance of rain, mainly after 4pm.  Mostly cloudy, with a high near 64. South wind 8 to 15 mph, with gusts as high as 29 mph.  Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 64 °F

    Chance Rain

  • Tonight

    Tonight: Rain and thunderstorms likely, mainly before 11pm.  Cloudy, then gradually becoming partly cloudy, with a low around 45. Southwest wind 6 to 11 mph becoming northwest after midnight. Winds could gust as high as 20 mph.  Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 45 °F

    Rain Likely
    then Slight
    Chance
    T-storms

  • Saturday

    Saturday: Mostly sunny, with a high near 57. Northwest wind 6 to 9 mph.

    High: 57 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 42. Calm wind becoming south around 5 mph after midnight.

    Low: 42 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 71. Southwest wind 6 to 11 mph, with gusts as high as 21 mph.

    High: 71 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Rain likely, mainly after 2am.  Mostly cloudy, with a low around 47. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 47 °F

    Rain Likely

  • Monday

    Monday: Rain likely, mainly before 8am.  Partly sunny, with a high near 55. Chance of precipitation is 60%.

    High: 55 °F

    Rain Likely
    then Chance
    Rain

  • Monday Night

    Monday Night: Partly cloudy, with a low around 29.

    Low: 29 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 48.

    High: 48 °F

    Mostly Sunny

Detailed Forecast

Today
A chance of rain, mainly after 4pm. Mostly cloudy, with a high near 64. South wind 8 to 15 mph, with gusts as high as 29 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
Rain and thunderstorms likely, mainly before 11pm. Cloudy, then gradually becoming partly cloudy, with a low around 45. Southwest wind 6 to 11 mph becoming northwest after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday
Mostly sunny, with a high near 57. Northwest wind 6 to 9 mph.
Saturday Night
Mostly cloudy, with a low around 42. Calm wind becoming south around 5 mph after midnight.
Sunday
Partly sunny, with a high near 71. Southwest wind 6 to 11 mph, with gusts as high as 21 mph.
Sunday Night
Rain likely, mainly after 2am. Mostly cloudy, with a low around 47. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday
Rain likely, mainly before 8am. Partly sunny, with a high near 55. Chance of precipitation is 60%.
Monday Night
Partly cloudy, with a low around 29.
Tuesday
Mostly sunny, with a high near 48.
Tuesday Night
Mostly cloudy, with a low around 34.
Wednesday
Mostly cloudy, with a high near 52.
Wednesday Night
Mostly cloudy, with a low around 35.
Thursday
Partly sunny, with a high near 59.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Hallam PA
 40°N 76.6°W (Elev. 364 ft)
10:51 am EDT Mar 20, 2026
11am EDT Mar 20, 2026-6pm EDT Mar 26, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database