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

64°F

18°C

Humidity 60%
Wind Speed W 14 G 23 mph
Barometer 29.85 in (1010.8 mb)
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Last update 19 Jun 10:56 am EDT
Extended Forecast for

4 Miles NNW Youngsville PA

  • Juneteenth

    Juneteenth: Isolated showers before noon. Mostly sunny, with a high near 71. West wind 9 to 13 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.

    High: 71 °F

    Isolated
    Showers

  • Tonight

    Tonight: Mostly clear, with a low around 51. West wind 3 to 8 mph.

    Low: 51 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 71. West wind 5 to 9 mph.

    High: 71 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A slight chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Partly cloudy, with a low around 52. Light southwest wind. Chance of precipitation is 20%.

    Low: 52 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Sunday

    Sunday: Mostly sunny, with a high near 75. Calm wind becoming west around 6 mph in the afternoon.

    High: 75 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A chance of showers, then showers and possibly a thunderstorm after 2am. Low around 54. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 54 °F

    Chance
    Showers then
    Showers

  • Monday

    Monday: Showers, with thunderstorms also possible after 8am. High near 71. Chance of precipitation is 80%.

    High: 71 °F

    Showers

  • Monday Night

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

    Low: 53 °F

    Showers
    Likely then
    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 73.

    High: 73 °F

    Mostly Sunny

Detailed Forecast

Juneteenth
Isolated showers before noon. Mostly sunny, with a high near 71. West wind 9 to 13 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
Tonight
Mostly clear, with a low around 51. West wind 3 to 8 mph.
Saturday
Mostly sunny, with a high near 71. West wind 5 to 9 mph.
Saturday Night
A slight chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Partly cloudy, with a low around 52. Light southwest wind. Chance of precipitation is 20%.
Sunday
Mostly sunny, with a high near 75. Calm wind becoming west around 6 mph in the afternoon.
Sunday Night
A chance of showers, then showers and possibly a thunderstorm after 2am. Low around 54. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Monday
Showers, with thunderstorms also possible after 8am. High near 71. Chance of precipitation is 80%.
Monday Night
Showers likely before 8pm. Mostly cloudy, with a low around 53. Chance of precipitation is 60%.
Tuesday
Mostly sunny, with a high near 73.
Tuesday Night
Partly cloudy, with a low around 53.
Wednesday
Mostly sunny, with a high near 75.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 54. Chance of precipitation is 30%.
Thursday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 75. Chance of precipitation is 60%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NNW Youngsville PA
 41.9°N 79.35°W (Elev. 1677 ft)
Last Update:
8:06 am EDT Jun 19, 2026
Forecast Valid:
11am EDT Jun 19, 2026-6pm EDT Jun 25, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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