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

Hazardous Weather Conditions

Current conditions at

York, York Airport (KTHV)

Lat: 39.92°NLon: 76.88°WElev: 479ft.

Fair

80°F

27°C

Humidity 60%
Wind Speed Vrbl 6 mph
Barometer 29.87 in (1011.2 mb)
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Heat Index82°F (28°C)
Last update 27 Jul 10:53 am EDT
Extended Forecast for

Hallam PA

  • Today

    Today: A slight chance of showers and thunderstorms after 3pm. Mostly sunny, with a high near 85. Light west wind. Chance of precipitation is 20%.

    High: 85 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: A chance of showers and thunderstorms before 3am, then a slight chance of showers between 3am and 4am. Mostly cloudy, with a low around 67. South wind 3 to 5 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 67 °F

    Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after noon. High near 81. South wind 8 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 81 °F

    Chance
    T-storms then
    Showers

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 66. South wind 7 to 9 mph becoming west after midnight. Chance of precipitation is 50%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 66 °F

    Chance
    Showers

  • Wednesday

    Wednesday: A slight chance of showers, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 81. Northwest wind 11 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 81 °F

    Slight Chance
    Showers then
    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Showers and thunderstorms likely before 11pm, then a slight chance of showers between 11pm and 2am. Mostly cloudy, with a low around 64. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 64 °F

    Showers
    Likely then
    Slight Chance
    Showers

  • Thursday

    Thursday: Mostly sunny, with a high near 82.

    High: 82 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 64.

    Low: 64 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 85.

    High: 85 °F

    Sunny

Detailed Forecast

Today
A slight chance of showers and thunderstorms after 3pm. Mostly sunny, with a high near 85. Light west wind. Chance of precipitation is 20%.
Tonight
A chance of showers and thunderstorms before 3am, then a slight chance of showers between 3am and 4am. Mostly cloudy, with a low around 67. South wind 3 to 5 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after noon. High near 81. South wind 8 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Tuesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 66. South wind 7 to 9 mph becoming west after midnight. Chance of precipitation is 50%. New precipitation amounts between a half and three quarters of an inch possible.
Wednesday
A slight chance of showers, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 81. Northwest wind 11 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Showers and thunderstorms likely before 11pm, then a slight chance of showers between 11pm and 2am. Mostly cloudy, with a low around 64. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
Mostly sunny, with a high near 82.
Thursday Night
Partly cloudy, with a low around 64.
Friday
Sunny, with a high near 85.
Friday Night
Partly cloudy, with a low around 65.
Saturday
Mostly sunny, with a high near 87.
Saturday Night
Mostly cloudy, with a low around 68.
Sunday
A chance of showers and thunderstorms. Partly sunny, with a high near 85. Chance of precipitation is 50%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Hallam PA
 40.01°N 76.63°W (Elev. 482 ft)
Last Update:
8:05 am EDT Jul 27, 2026
Forecast Valid:
11am EDT Jul 27, 2026-6pm EDT Aug 2, 2026
 
Forecast Discussion
 
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Additional Resources

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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