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

53°F

12°C

Humidity 18%
Wind Speed S 8 mph
Barometer 30.03 in (1018.5 mb)
Dewpoint 11°F (-12°C)
Visibility 10.00 mi
Wind Chill50°F (10°C)
Last update 25 Mar 3:56 pm EDT
Extended Forecast for

3 Miles ESE Youngsville PA

  • Tonight

    Tonight: A slight chance of showers between 1am and 3am. Mostly cloudy, with a low around 48. Southwest wind around 6 mph. Chance of precipitation is 20%.

    Low: 48 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Thursday

    Thursday: Showers likely, with thunderstorms also possible after 5pm. Partly sunny, with a high near 67. Southwest wind 5 to 9 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 67 °F

    Partly Sunny
    then Showers
    Likely

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm, then showers after 8pm. Low around 33. Southwest wind around 6 mph becoming north after midnight. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 33 °F

    Showers

  • Friday

    Friday: Showers likely before 8am. Partly sunny, with a high near 43. North wind around 6 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 43 °F

    Showers
    Likely then
    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 20. Light northwest wind.

    Low: 20 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 38.

    High: 38 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 24.

    Low: 24 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 53.

    High: 53 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 37.

    Low: 37 °F

    Mostly Cloudy

Detailed Forecast

Tonight
A slight chance of showers between 1am and 3am. Mostly cloudy, with a low around 48. Southwest wind around 6 mph. Chance of precipitation is 20%.
Thursday
Showers likely, with thunderstorms also possible after 5pm. Partly sunny, with a high near 67. Southwest wind 5 to 9 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night
Showers likely and possibly a thunderstorm, then showers after 8pm. Low around 33. Southwest wind around 6 mph becoming north after midnight. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Friday
Showers likely before 8am. Partly sunny, with a high near 43. North wind around 6 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
Partly cloudy, with a low around 20. Light northwest wind.
Saturday
Mostly sunny, with a high near 38.
Saturday Night
Partly cloudy, with a low around 24.
Sunday
Mostly sunny, with a high near 53.
Sunday Night
Mostly cloudy, with a low around 37.
Monday
Mostly cloudy, with a high near 58.
Monday Night
A chance of showers. Mostly cloudy, with a low around 40. Chance of precipitation is 30%.
Tuesday
A chance of showers. Mostly cloudy, with a high near 62. Chance of precipitation is 50%.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 47. Chance of precipitation is 50%.
Wednesday
Showers likely. Mostly cloudy, with a high near 67. Chance of precipitation is 60%.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ESE Youngsville PA
 41.85°N 79.27°W (Elev. 1339 ft)
Last Update:
2:21 pm EDT Mar 25, 2026
Forecast Valid:
4pm EDT Mar 25, 2026-6pm EDT Apr 1, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation