Current conditions at

Jamestown, Chautauqua County/Jamestown Airport (KJHW)

Lat: 42.15°NLon: 79.27°WElev: 1722ft.

Fog/Mist

52°F

11°C

Humidity 100%
Wind Speed S 5 mph
Barometer 30.11 in (1020.0 mb)
Dewpoint 52°F (11°C)
Visibility 0.75 mi
Wind Chill51°F (11°C)
Last update 26 Aug 5:56 am EDT
Extended Forecast for

3 Miles ESE Youngsville PA

  • Today

    Today: Patchy dense fog before 9am.  Otherwise, partly sunny, with a high near 82. Calm wind becoming south 5 to 7 mph in the afternoon.

    High: 82 °F

    Patchy Dense
    Fog then
    Partly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 59. Light south wind.

    Low: 59 °F

    Partly Cloudy

  • Thursday

    Thursday: A chance of showers and thunderstorms before 2pm, then showers likely and possibly a thunderstorm between 2pm and 3pm, then a chance of showers and thunderstorms after 3pm.  Partly sunny, with a high near 81. South wind 5 to 7 mph.  Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 81 °F

    Slight Chance
    Showers then
    Showers
    Likely

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before 7pm, then a slight chance of showers between 7pm and 2am.  Mostly cloudy, with a low around 56. Calm wind.  Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 56 °F

    Chance
    Showers

  • Friday

    Friday: Mostly sunny, with a high near 79. Calm wind becoming north around 5 mph in the afternoon.

    High: 79 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 49.

    Low: 49 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 81.

    High: 81 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 53.

    Low: 53 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 84.

    High: 84 °F

    Mostly Sunny

Detailed Forecast

Today
Patchy dense fog before 9am. Otherwise, partly sunny, with a high near 82. Calm wind becoming south 5 to 7 mph in the afternoon.
Tonight
Partly cloudy, with a low around 59. Light south wind.
Thursday
A chance of showers and thunderstorms before 2pm, then showers likely and possibly a thunderstorm between 2pm and 3pm, then a chance of showers and thunderstorms after 3pm. Partly sunny, with a high near 81. South wind 5 to 7 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
A chance of showers and thunderstorms before 7pm, then a slight chance of showers between 7pm and 2am. Mostly cloudy, with a low around 56. Calm wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday
Mostly sunny, with a high near 79. Calm wind becoming north around 5 mph in the afternoon.
Friday Night
Mostly clear, with a low around 49.
Saturday
Sunny, with a high near 81.
Saturday Night
Partly cloudy, with a low around 53.
Sunday
Mostly sunny, with a high near 84.
Sunday Night
Partly cloudy, with a low around 63.
Monday
Partly sunny, with a high near 86.
Monday Night
A chance of showers. Mostly cloudy, with a low around 66. Chance of precipitation is 40%.
Tuesday
A chance of showers. Partly sunny, with a high near 86. Chance of precipitation is 30%.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ESE Youngsville PA
 41.85°N 79.27°W (Elev. 1339 ft)
6:11 am EDT Aug 26, 2026
6am EDT Aug 26, 2026-6pm EDT Sep 1, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database