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

Jamestown, Chautauqua County/Jamestown Airport (KJHW)

Lat: 42.15°NLon: 79.27°WElev: 1722ft.

Overcast

63°F

17°C

Humidity 100%
Wind Speed NE 9 mph
Barometer 30.11 in (1019.4 mb)
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 17 Aug 10:56 pm EDT
Extended Forecast for

Youngsville PA

  • Tonight

    Tonight: Mostly cloudy, with a low around 52. Northeast wind 3 to 5 mph.

    Low: 52 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 81. Northeast wind around 6 mph.

    High: 81 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 56. Light and variable wind.

    Low: 56 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 83. South wind 3 to 6 mph.

    High: 83 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A chance of showers, mainly after 2am. Mostly cloudy, with a low around 61. South wind 3 to 5 mph. Chance of precipitation is 30%.

    Low: 61 °F

    Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 81. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 81 °F

    Chance
    Showers then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A chance of thunderstorms before 8pm. Mostly cloudy, with a low around 60. Chance of precipitation is 30%.

    Low: 60 °F

    Chance
    T-storms then
    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 81.

    High: 81 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 55.

    Low: 55 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly cloudy, with a low around 52. Northeast wind 3 to 5 mph.
Monday
Mostly sunny, with a high near 81. Northeast wind around 6 mph.
Monday Night
Partly cloudy, with a low around 56. Light and variable wind.
Tuesday
Mostly sunny, with a high near 83. South wind 3 to 6 mph.
Tuesday Night
A chance of showers, mainly after 2am. Mostly cloudy, with a low around 61. South wind 3 to 5 mph. Chance of precipitation is 30%.
Wednesday
A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 81. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
A chance of thunderstorms before 8pm. Mostly cloudy, with a low around 60. Chance of precipitation is 30%.
Thursday
Mostly sunny, with a high near 81.
Thursday Night
Mostly clear, with a low around 55.
Friday
Sunny, with a high near 86.
Friday Night
Mostly clear, with a low around 59.
Saturday
Mostly sunny, with a high near 87.
Saturday Night
A chance of showers. Partly cloudy, with a low around 58. Chance of precipitation is 30%.
Sunday
A chance of showers. Mostly sunny, with a high near 78. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Youngsville PA
 41.85°N 79.33°W (Elev. 1312 ft)
Last Update:
7:00 pm EDT Aug 17, 2025
Forecast Valid:
11pm EDT Aug 17, 2025-6pm EDT Aug 24, 2025
 
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