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

Harrisburg, Capital City Airport (KCXY)

Lat: 40.22°NLon: 76.86°WElev: 335ft.

Fog/Mist

46°F

8°C

Humidity 96%
Wind Speed N 5 mph
Barometer 30.13 in (1020.7 mb)
Dewpoint 45°F (7°C)
Visibility 5.00 mi
Wind Chill44°F (7°C)
Last update 9 Jan 10:56 pm EST
Extended Forecast for

Mechanicsburg PA

  • Tonight

    Tonight: Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 38. Northwest wind around 5 mph becoming calm after midnight.

    Low: 38 °F

    Patchy Fog

  • Saturday

    Saturday: Rain, mainly after 11am. Patchy fog before 9am. High near 43. Calm wind becoming east around 5 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    High: 43 °F

    Rain Likely
    and Patchy
    Fog then Rain

  • Saturday Night

    Saturday Night: A chance of rain before 1am. Patchy fog before 2am. Otherwise, mostly cloudy, with a low around 35. Calm wind becoming west 5 to 8 mph after midnight. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 35 °F

    Chance Rain
    and Patchy
    Fog

  • Sunday

    Sunday: A slight chance of showers after 1pm. Mostly sunny, with a high near 40. West wind 8 to 18 mph, with gusts as high as 36 mph. Chance of precipitation is 20%.

    High: 40 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 28. West wind 11 to 14 mph, with gusts as high as 32 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
Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 38. Northwest wind around 5 mph becoming calm after midnight.
Saturday
Rain, mainly after 11am. Patchy fog before 9am. High near 43. Calm wind becoming east around 5 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Saturday Night
A chance of rain before 1am. Patchy fog before 2am. Otherwise, mostly cloudy, with a low around 35. Calm wind becoming west 5 to 8 mph after midnight. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Sunday
A slight chance of showers after 1pm. Mostly sunny, with a high near 40. West wind 8 to 18 mph, with gusts as high as 36 mph. Chance of precipitation is 20%.
Sunday Night
Partly cloudy, with a low around 28. West wind 11 to 14 mph, with gusts as high as 32 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.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Mechanicsburg PA
 40.2°N 77°W (Elev. 476 ft)
Last Update:
9:51 pm EST Jan 9, 2026
Forecast Valid:
11pm EST Jan 9, 2026-6pm EST Jan 16, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation