Current conditions at

Jamestown, Chautauqua County/Jamestown Airport (KJHW)

Lat: 42.15°NLon: 79.27°WElev: 1722ft.

Fog/Mist

59°F

15°C

Humidity 100%
Wind Speed S 3 mph
Barometer 30.22 in (1023.1 mb)
Dewpoint 59°F (15°C)
Visibility 0.75 mi
Last update 15 Aug 6:56 am EDT
Extended Forecast for

3 Miles ESE Youngsville PA

  • Today

    Today: Patchy dense fog before 8am.  Otherwise, mostly cloudy through mid morning, then clearing, with a high near 85. Calm wind.

    High: 85 °F

    Patchy Dense
    Fog then
    Mostly Sunny

  • Tonight

    Tonight: A slight chance of showers between 3am and 5am, then a slight chance of showers and thunderstorms after 5am.  Mostly cloudy, with a low around 65. Calm wind.  Chance of precipitation is 20%.

    Low: 65 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms

  • Sunday

    Sunday: Showers and thunderstorms likely, mainly before 2pm, then showers likely and possibly a thunderstorm after 5pm.  Mostly cloudy, with a high near 81. Light and variable wind becoming south around 6 mph in the morning.  Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 81 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: Showers and possibly a thunderstorm before 11pm, then showers likely between 11pm and 2am.  Low around 67. West wind around 5 mph becoming calm  in the evening.  Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 67 °F

    Showers

  • Monday

    Monday: Partly sunny, with a high near 80. Northwest wind 3 to 7 mph.

    High: 80 °F

    Partly Sunny

  • Monday Night

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

    Low: 55 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 80.

    High: 80 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 55.

    Low: 55 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A chance of showers after 2pm.  Mostly sunny, with a high near 81. Chance of precipitation is 40%.

    High: 81 °F

    Mostly Sunny
    then Chance
    Showers

Detailed Forecast

Today
Patchy dense fog before 8am. Otherwise, mostly cloudy through mid morning, then clearing, with a high near 85. Calm wind.
Tonight
A slight chance of showers between 3am and 5am, then a slight chance of showers and thunderstorms after 5am. Mostly cloudy, with a low around 65. Calm wind. Chance of precipitation is 20%.
Sunday
Showers and thunderstorms likely, mainly before 2pm, then showers likely and possibly a thunderstorm after 5pm. Mostly cloudy, with a high near 81. Light and variable wind becoming south around 6 mph in the morning. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday Night
Showers and possibly a thunderstorm before 11pm, then showers likely between 11pm and 2am. Low around 67. West wind around 5 mph becoming calm in the evening. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday
Partly sunny, with a high near 80. Northwest wind 3 to 7 mph.
Monday Night
Mostly clear, with a low around 55.
Tuesday
Sunny, with a high near 80.
Tuesday Night
Partly cloudy, with a low around 55.
Wednesday
A chance of showers after 2pm. Mostly sunny, with a high near 81. Chance of precipitation is 40%.
Wednesday Night
Showers likely, mainly between 8pm and 2am. Mostly cloudy, with a low around 60. Chance of precipitation is 60%.
Thursday
A chance of showers. Partly sunny, with a high near 77. Chance of precipitation is 30%.
Thursday Night
A chance of showers. Partly cloudy, with a low around 52. Chance of precipitation is 30%.
Friday
Mostly sunny, with a high near 76.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ESE Youngsville PA
 41.85°N 79.27°W (Elev. 1339 ft)
6:41 am EDT Aug 15, 2026
7am EDT Aug 15, 2026-6pm EDT Aug 21, 2026
 
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