National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Harrisburg, Harrisburg International Airport (KMDT)

Lat: 40.19°NLon: 76.76°WElev: 312ft.

Overcast

50°F

10°C

Humidity 89%
Wind Speed SW 8 mph
Barometer 30.05 in (1017.9 mb)
Dewpoint 47°F (8°C)
Visibility 8.00 mi
Wind Chill47°F (8°C)
Last update 9 Jan 7:56 pm EST
Extended Forecast for

Harrisburg International Airport PA

  • Tonight

    Tonight: A slight chance of showers between 9pm and 10pm. Cloudy, with a low around 38. Southwest wind 5 to 8 mph becoming northwest after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 20%.

    Low: 38 °F

    Slight Chance
    Showers then
    Mostly Cloudy

  • Saturday

    Saturday: Rain, mainly after noon. High near 43. Calm wind becoming east around 6 mph in the afternoon. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 43 °F

    Chance Rain
    then Rain

  • Saturday Night

    Saturday Night: Rain likely, mainly between 7pm and 1am. Patchy dense fog before 2am. Otherwise, mostly cloudy, with a low around 35. Light and variable wind becoming west 5 to 9 mph after midnight. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 35 °F

    Rain Likely
    and Patchy
    Dense Fog

  • Sunday

    Sunday: A slight chance of rain showers after 1pm, mixing with snow after 4pm. Mostly sunny, with a high near 41. Breezy, with a west wind 10 to 20 mph, with gusts as high as 38 mph. Chance of precipitation is 20%.

    High: 41 °F

    Mostly Sunny
    then Slight
    Chance
    Rain/Snow and
    Breezy

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 28. West wind 13 to 17 mph, with gusts as high as 34 mph.

    Low: 28 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 41.

    High: 41 °F

    Mostly Sunny

  • Monday Night

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

    Low: 29 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 46.

    High: 46 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 35.

    Low: 35 °F

    Mostly Cloudy

Detailed Forecast

Tonight
A slight chance of showers between 9pm and 10pm. Cloudy, with a low around 38. Southwest wind 5 to 8 mph becoming northwest after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 20%.
Saturday
Rain, mainly after noon. High near 43. Calm wind becoming east around 6 mph in the afternoon. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Saturday Night
Rain likely, mainly between 7pm and 1am. Patchy dense fog before 2am. Otherwise, mostly cloudy, with a low around 35. Light and variable wind becoming west 5 to 9 mph after midnight. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Sunday
A slight chance of rain showers after 1pm, mixing with snow after 4pm. Mostly sunny, with a high near 41. Breezy, with a west wind 10 to 20 mph, with gusts as high as 38 mph. Chance of precipitation is 20%.
Sunday Night
Partly cloudy, with a low around 28. West wind 13 to 17 mph, with gusts as high as 34 mph.
Monday
Mostly sunny, with a high near 41.
Monday Night
Partly cloudy, with a low around 29.
Tuesday
Mostly sunny, with a high near 46.
Tuesday Night
Mostly cloudy, with a low around 35.
Wednesday
Mostly cloudy, with a high near 47.
Wednesday Night
Mostly cloudy, with a low around 28.
Thursday
Partly sunny, with a high near 35.
Thursday Night
Mostly cloudy, with a low around 19.
Friday
Mostly sunny, with a high near 32.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Harrisburg International Airport PA
 40.22°N 76.76°W (Elev. 446 ft)
Last Update:
7:51 pm EST Jan 9, 2026
Forecast Valid:
8pm EST Jan 9, 2026-6pm EST Jan 16, 2026
 
Forecast Discussion
 
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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation