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

58°F

14°C

Humidity 90%
Wind Speed W 7 mph
Barometer 29.91 in (1012.8 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 19 Jun 11:56 pm EDT
Extended Forecast for

5 Miles NW Youngsville PA

  • Overnight

    Overnight: Partly cloudy, with a low around 51. West wind 3 to 5 mph.

    Low: 51 °F

    Partly Cloudy

  • Saturday

    Saturday: A chance of showers and thunderstorms, mainly after 2pm. Sunny during the morning, then mostly cloudy during the afternoon, with a high near 69. West wind 5 to 8 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 69 °F

    Mostly Sunny
    then Chance
    T-storms

  • Saturday Night

    Saturday Night: A slight chance of showers between 1am and 2am. Patchy fog after midnight. Otherwise, partly cloudy, with a low around 52. West wind around 5 mph becoming calm in the evening. Chance of precipitation is 20%.

    Low: 52 °F

    Mostly Clear
    then Slight
    Chance
    Showers and
    Patchy Fog

  • Sunday

    Sunday: Patchy fog before 9am. Otherwise, mostly sunny, with a high near 73. West wind 3 to 6 mph.

    High: 73 °F

    Patchy Fog
    then Mostly
    Sunny

  • Sunday Night

    Sunday Night: Showers, mainly after 2am. Low around 54. Calm wind becoming east around 5 mph after midnight. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 54 °F

    Chance
    Showers then
    Showers

  • Monday

    Monday: Showers and possibly a thunderstorm. High near 70. Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.

    High: 70 °F

    Showers

  • Monday Night

    Monday Night: Showers likely, mainly before 8pm. Mostly cloudy, with a low around 53. Chance of precipitation is 60%.

    Low: 53 °F

    Showers
    Likely

  • Tuesday

    Tuesday: Mostly sunny, with a high near 72.

    High: 72 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 52.

    Low: 52 °F

    Mostly Clear

Detailed Forecast

Overnight
Partly cloudy, with a low around 51. West wind 3 to 5 mph.
Saturday
A chance of showers and thunderstorms, mainly after 2pm. Sunny during the morning, then mostly cloudy during the afternoon, with a high near 69. West wind 5 to 8 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday Night
A slight chance of showers between 1am and 2am. Patchy fog after midnight. Otherwise, partly cloudy, with a low around 52. West wind around 5 mph becoming calm in the evening. Chance of precipitation is 20%.
Sunday
Patchy fog before 9am. Otherwise, mostly sunny, with a high near 73. West wind 3 to 6 mph.
Sunday Night
Showers, mainly after 2am. Low around 54. Calm wind becoming east around 5 mph after midnight. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Monday
Showers and possibly a thunderstorm. High near 70. Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.
Monday Night
Showers likely, mainly before 8pm. Mostly cloudy, with a low around 53. Chance of precipitation is 60%.
Tuesday
Mostly sunny, with a high near 72.
Tuesday Night
Mostly clear, with a low around 52.
Wednesday
Mostly sunny, with a high near 73.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 53. Chance of precipitation is 40%.
Thursday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 73. Chance of precipitation is 60%.
Thursday Night
Showers likely and possibly a thunderstorm. Partly cloudy, with a low around 54. Chance of precipitation is 60%.
Friday
A chance of showers and thunderstorms. Partly sunny, with a high near 73. Chance of precipitation is 40%.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles NW Youngsville PA
 41.9°N 79.38°W (Elev. 1824 ft)
Last Update:
8:11 pm EDT Jun 19, 2026
Forecast Valid:
12am EDT Jun 20, 2026-6pm EDT Jun 26, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation