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

65°F

18°C

Humidity 97%
Wind Speed Calm
Barometer 29.93 in (1013.6 mb)
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Last update 18 Aug 10:53 pm EDT
Extended Forecast for

Grantley PA

  • Tonight

    Tonight: Mostly clear, with a low around 63. Calm wind.

    Low: 63 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 87. Calm wind becoming west around 6 mph in the afternoon.

    High: 87 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 68. Calm wind.

    Low: 68 °F

    Mostly Cloudy

  • Thursday

    Thursday: A slight chance of showers and thunderstorms before 8am, then a slight chance of showers between 8am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 84. Light north wind. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 84 °F

    Slight Chance
    T-storms then
    Showers
    Likely

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm before 11pm, then a chance of showers and thunderstorms between 11pm and 2am. Mostly cloudy, with a low around 63. Calm wind. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 63 °F

    Showers
    Likely then
    Chance
    Showers

  • Friday

    Friday: A slight chance of showers after 2pm. Mostly sunny, with a high near 83. Chance of precipitation is 20%.

    High: 83 °F

    Partly Sunny
    then Slight
    Chance
    Showers

  • Friday Night

    Friday Night: A chance of showers between 8pm and 2am. Mostly cloudy, with a low around 65. Chance of precipitation is 30%.

    Low: 65 °F

    Chance
    Showers

  • Saturday

    Saturday: A chance of showers after 2pm. Partly sunny, with a high near 83. Chance of precipitation is 40%.

    High: 83 °F

    Partly Sunny
    then Chance
    Showers

  • Saturday Night

    Saturday Night: A chance of showers before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am. Mostly cloudy, with a low around 65. Chance of precipitation is 60%.

    Low: 65 °F

    Showers
    Likely

Detailed Forecast

Tonight
Mostly clear, with a low around 63. Calm wind.
Wednesday
Sunny, with a high near 87. Calm wind becoming west around 6 mph in the afternoon.
Wednesday Night
Mostly cloudy, with a low around 68. Calm wind.
Thursday
A slight chance of showers and thunderstorms before 8am, then a slight chance of showers between 8am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 84. Light north wind. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night
Showers likely and possibly a thunderstorm before 11pm, then a chance of showers and thunderstorms between 11pm and 2am. Mostly cloudy, with a low around 63. Calm wind. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday
A slight chance of showers after 2pm. Mostly sunny, with a high near 83. Chance of precipitation is 20%.
Friday Night
A chance of showers between 8pm and 2am. Mostly cloudy, with a low around 65. Chance of precipitation is 30%.
Saturday
A chance of showers after 2pm. Partly sunny, with a high near 83. Chance of precipitation is 40%.
Saturday Night
A chance of showers before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am. Mostly cloudy, with a low around 65. Chance of precipitation is 60%.
Sunday
A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 83. Chance of precipitation is 40%.
Sunday Night
A chance of showers and thunderstorms. Mostly clear, with a low around 62. Chance of precipitation is 30%.
Monday
Sunny, with a high near 83.
Monday Night
Mostly clear, with a low around 63.
Tuesday
Mostly sunny, with a high near 84.
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ABOUT THIS FORECAST

 
Point Forecast:
Grantley PA
 39.95°N 76.72°W (Elev. 433 ft)
Last Update:
8:11 pm EDT Aug 18, 2026
Forecast Valid:
11pm EDT Aug 18, 2026-6pm EDT Aug 25, 2026
 
Forecast Discussion
 
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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