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.

Mostly Cloudy

69°F

21°C

Humidity 44%
Wind Speed SW 20 G 26 mph
Barometer 29.87 in (1010.8 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 19 Apr 1:56 am EDT
Extended Forecast for

Youngsville PA

  • Overnight

    Overnight: A chance of showers, mainly after 4am. Mostly cloudy, with a low around 62. Southwest wind around 10 mph, with gusts as high as 22 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 62 °F

    Chance
    Showers

  • Saturday

    Saturday: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 11am. High near 68. Southwest wind around 11 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 68 °F

    Showers

  • Saturday Night

    Saturday Night: Showers and thunderstorms likely before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 38. West wind around 6 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 38 °F

    Showers
    Likely then
    Chance
    Showers

  • Sunday

    Sunday: Mostly sunny, with a high near 62. North wind 3 to 5 mph.

    High: 62 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A chance of showers after 2am. Mostly cloudy, with a low around 48. Light and variable wind becoming southeast around 6 mph after midnight. Chance of precipitation is 30%.

    Low: 48 °F

    Mostly Cloudy
    then Chance
    Showers

  • Monday

    Monday: A chance of showers, then showers and thunderstorms after 2pm. High near 72. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 72 °F

    Chance
    Showers then
    T-storms

  • Monday Night

    Monday Night: Showers and thunderstorms before 8pm, then showers likely between 8pm and 2am. Low around 48. Chance of precipitation is 80%.

    Low: 48 °F

    T-storms then
    Showers
    Likely

  • Tuesday

    Tuesday: Mostly sunny, with a high near 63.

    High: 63 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 41.

    Low: 41 °F

    Mostly Clear

Detailed Forecast

Overnight
A chance of showers, mainly after 4am. Mostly cloudy, with a low around 62. Southwest wind around 10 mph, with gusts as high as 22 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 11am. High near 68. Southwest wind around 11 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Saturday Night
Showers and thunderstorms likely before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 38. West wind around 6 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday
Mostly sunny, with a high near 62. North wind 3 to 5 mph.
Sunday Night
A chance of showers after 2am. Mostly cloudy, with a low around 48. Light and variable wind becoming southeast around 6 mph after midnight. Chance of precipitation is 30%.
Monday
A chance of showers, then showers and thunderstorms after 2pm. High near 72. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday Night
Showers and thunderstorms before 8pm, then showers likely between 8pm and 2am. Low around 48. Chance of precipitation is 80%.
Tuesday
Mostly sunny, with a high near 63.
Tuesday Night
Mostly clear, with a low around 41.
Wednesday
Mostly sunny, with a high near 73.
Wednesday Night
Partly cloudy, with a low around 48.
Thursday
Mostly sunny, with a high near 74.
Thursday Night
Mostly cloudy, with a low around 50.
Friday
A chance of showers. Partly sunny, with a high near 74. Chance of precipitation is 40%.
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ABOUT THIS FORECAST

 
Point Forecast:
Youngsville PA
 41.85°N 79.33°W (Elev. 1312 ft)
Last Update:
2:26 am EDT Apr 19, 2025
Forecast Valid:
2am EDT Apr 19, 2025-6pm EDT Apr 25, 2025
 
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