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.

Mostly Cloudy

77°F

25°C

Humidity 74%
Wind Speed SE 3 mph
Barometer 29.97 in (1014.9 mb)
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 20 Aug 11:53 am EDT
Extended Forecast for

Stonybrook-Wilshire PA

Flood Watch August 20, 12:29pm until August 20, 08:00pm
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch August 20, 12:29pm until August 20, 08:00pm

    NOW until 8:00pm Thu

    Flood Watch

  • This Afternoon

    High: 79 °F

    Severe
    Thunderstorms

  • Tonight

    Tonight: Rain and possibly a thunderstorm before 8pm, then a slight chance of rain between 8pm and 10pm. Some of the storms could be severe and produce heavy rainfall. Low around 62. North wind around 6 mph becoming calm in the evening. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 62 °F

    Severe
    Thunderstorms
    then Mostly
    Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 81. Northeast wind 3 to 6 mph.

    High: 81 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2am. Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 65. Light east wind. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 65 °F

    Chance
    Showers then
    Showers
    Likely and
    Patchy Fog

  • Saturday

    Saturday: Showers likely, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 81. Southeast wind 3 to 5 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 81 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: Showers and thunderstorms likely before 11pm, then a chance of showers between 11pm and 2am. Patchy fog after midnight. Otherwise, mostly cloudy, with a low around 65. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 65 °F

    Showers
    Likely and
    Patchy Fog

  • Sunday

    Sunday: A chance of showers and thunderstorms after 2pm. Patchy fog before 7am. Otherwise, mostly sunny, with a high near 82. Chance of precipitation is 30%.

    High: 82 °F

    Patchy Fog
    then Chance
    T-storms

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 61. Chance of precipitation is 30%.

    Low: 61 °F

    Chance
    T-storms then
    Mostly Clear

Detailed Forecast

This Afternoon
A chance of rain and thunderstorms, then rain and possibly a thunderstorm after 2pm. Some of the storms could be severe and produce heavy rainfall. High near 79. Southeast wind around 5 mph becoming calm. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Tonight
Rain and possibly a thunderstorm before 8pm, then a slight chance of rain between 8pm and 10pm. Some of the storms could be severe and produce heavy rainfall. Low around 62. North wind around 6 mph becoming calm in the evening. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Friday
Mostly sunny, with a high near 81. Northeast wind 3 to 6 mph.
Friday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2am. Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 65. Light east wind. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday
Showers likely, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 81. Southeast wind 3 to 5 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday Night
Showers and thunderstorms likely before 11pm, then a chance of showers between 11pm and 2am. Patchy fog after midnight. Otherwise, mostly cloudy, with a low around 65. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday
A chance of showers and thunderstorms after 2pm. Patchy fog before 7am. Otherwise, mostly sunny, with a high near 82. Chance of precipitation is 30%.
Sunday Night
A chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 61. Chance of precipitation is 30%.
Monday
Sunny, with a high near 79.
Monday Night
Mostly clear, with a low around 60.
Tuesday
Sunny, with a high near 80.
Tuesday Night
Mostly clear, with a low around 62.
Wednesday
A chance of showers. Mostly sunny, with a high near 83. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Stonybrook-Wilshire PA
 39.98°N 76.63°W (Elev. 400 ft)
Last Update:
12:26 pm EDT Aug 20, 2026
Forecast Valid:
12pm EDT Aug 20, 2026-6pm EDT Aug 26, 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