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

York, York Airport (KTHV)

Lat: 39.92°NLon: 76.88°WElev: 479ft.

Fair

79°F

26°C

Humidity 60%
Wind Speed Vrbl 5 mph
Barometer 29.91 in (1012.6 mb)
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 14 Oct 2:53 pm EDT
Extended Forecast for

Mc Knightstown PA

  • This Afternoon

    This Afternoon: A chance of showers and thunderstorms, mainly after 5pm. Partly sunny, with a high near 83. West wind around 7 mph. Chance of precipitation is 30%.

    High: 83 °F

    Chance
    Showers

  • Tonight

    Tonight: A chance of showers and thunderstorms before 4am, then a slight chance of showers between 4am and 5am. Mostly cloudy, with a low around 55. North wind around 6 mph. Chance of precipitation is 30%.

    Low: 55 °F

    Chance
    Showers

  • Thursday

    Thursday: A chance of showers after noon. Partly sunny, with a high near 62. Northeast wind around 6 mph becoming calm in the afternoon. Chance of precipitation is 30%.

    High: 62 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: Showers likely, mainly between 1am and 3am. Cloudy, with a low around 55. Light south wind increasing to 5 to 9 mph in the evening. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 55 °F

    Showers
    Likely

  • Friday

    Friday: Showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 81. South wind 9 to 11 mph, with gusts as high as 24 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 81 °F

    Mostly Cloudy
    then Showers
    Likely

  • Friday Night

    Friday Night: Showers likely and possibly a thunderstorm before 8pm, then a chance of showers. Mostly cloudy, with a low around 45. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 45 °F

    Showers
    Likely then
    Chance
    Showers

  • Saturday

    Saturday: Mostly sunny, with a high near 52.

    High: 52 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Areas of frost after 2am. Otherwise, clear, with a low around 33.

    Low: 33 °F

    Clear then
    Areas Frost

  • Sunday

    Sunday: Widespread frost, mainly before 8am. Otherwise, sunny, with a high near 57.

    High: 57 °F

    Frost then
    Sunny

Detailed Forecast

This Afternoon
A chance of showers and thunderstorms, mainly after 5pm. Partly sunny, with a high near 83. West wind around 7 mph. Chance of precipitation is 30%.
Tonight
A chance of showers and thunderstorms before 4am, then a slight chance of showers between 4am and 5am. Mostly cloudy, with a low around 55. North wind around 6 mph. Chance of precipitation is 30%.
Thursday
A chance of showers after noon. Partly sunny, with a high near 62. Northeast wind around 6 mph becoming calm in the afternoon. Chance of precipitation is 30%.
Thursday Night
Showers likely, mainly between 1am and 3am. Cloudy, with a low around 55. Light south wind increasing to 5 to 9 mph in the evening. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Friday
Showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 81. South wind 9 to 11 mph, with gusts as high as 24 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday Night
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers. Mostly cloudy, with a low around 45. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday
Mostly sunny, with a high near 52.
Saturday Night
Areas of frost after 2am. Otherwise, clear, with a low around 33.
Sunday
Widespread frost, mainly before 8am. Otherwise, sunny, with a high near 57.
Sunday Night
Mostly clear, with a low around 36.
Monday
Sunny, with a high near 61.
Monday Night
Partly cloudy, with a low around 42.
Tuesday
Mostly sunny, with a high near 64.
Tuesday Night
Partly cloudy, with a low around 45.
Wednesday
Sunny, with a high near 65.
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ABOUT THIS FORECAST

 
Point Forecast:
Mc Knightstown PA
 39.9°N 77.34°W (Elev. 797 ft)
Last Update:
2:21 pm EDT Oct 14, 2026
Forecast Valid:
3pm EDT Oct 14, 2026-6pm EDT Oct 21, 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