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.

Fair

41°F

5°C

Humidity 55%
Wind Speed S 5 mph
Barometer 30.47 in (1032.7 mb)
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Wind Chill38°F (3°C)
Last update 19 Oct 4:56 am EDT
Extended Forecast for

Youngsville PA

  • Today

    Today: Widespread frost before 9am. Otherwise, sunny, with a high near 66. Calm wind.

    High: 66 °F

    Frost then
    Sunny

  • Tonight

    Tonight: Patchy fog after 2am. Patchy frost after 5am. Otherwise, mostly clear, with a low around 35. Calm wind.

    Low: 35 °F

    Mostly Clear
    then Patchy
    Frost and
    Patchy Fog

  • Tuesday

    Tuesday: Patchy fog before 9am. Patchy frost before 9am. Otherwise, mostly sunny, with a high near 64. Calm wind becoming northeast around 6 mph in the afternoon.

    High: 64 °F

    Patchy Frost
    and Patchy
    Fog then
    Sunny

  • Tuesday Night

    Tuesday Night: Patchy fog after 4am. Patchy frost after 3am. Otherwise, clear, with a low around 30. Northeast wind around 5 mph becoming calm in the evening.

    Low: 30 °F

    Clear then
    Patchy Frost
    and Patchy
    Fog

  • Wednesday

    Wednesday: Patchy fog before 9am. Widespread frost before 9am. Otherwise, sunny, with a high near 65. Calm wind.

    High: 65 °F

    Frost and
    Patchy Fog
    then Sunny

  • Wednesday Night

    Wednesday Night: Patchy fog after 3am. Patchy frost after 3am. Otherwise, mostly clear, with a low around 33.

    Low: 33 °F

    Mostly Clear
    then Patchy
    Frost and
    Patchy Fog

  • Thursday

    Thursday: Patchy fog before 9am. Areas of frost before 9am. Otherwise, sunny, with a high near 64.

    High: 64 °F

    Areas Frost
    and Patchy
    Fog then
    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 38.

    Low: 38 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 61.

    High: 61 °F

    Sunny

Detailed Forecast

Today
Widespread frost before 9am. Otherwise, sunny, with a high near 66. Calm wind.
Tonight
Patchy fog after 2am. Patchy frost after 5am. Otherwise, mostly clear, with a low around 35. Calm wind.
Tuesday
Patchy fog before 9am. Patchy frost before 9am. Otherwise, mostly sunny, with a high near 64. Calm wind becoming northeast around 6 mph in the afternoon.
Tuesday Night
Patchy fog after 4am. Patchy frost after 3am. Otherwise, clear, with a low around 30. Northeast wind around 5 mph becoming calm in the evening.
Wednesday
Patchy fog before 9am. Widespread frost before 9am. Otherwise, sunny, with a high near 65. Calm wind.
Wednesday Night
Patchy fog after 3am. Patchy frost after 3am. Otherwise, mostly clear, with a low around 33.
Thursday
Patchy fog before 9am. Areas of frost before 9am. Otherwise, sunny, with a high near 64.
Thursday Night
Mostly clear, with a low around 38.
Friday
Sunny, with a high near 61.
Friday Night
Clear, with a low around 32.
Saturday
Patchy frost. Otherwise, sunny, with a high near 63.
Saturday Night
Mostly clear, with a low around 35.
Sunday
Mostly sunny, with a high near 65.
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ABOUT THIS FORECAST

 
Point Forecast:
Youngsville PA
 41.88°N 79.33°W (Elev. 1591 ft)
Last Update:
2:46 am EDT Oct 19, 2026
Forecast Valid:
5am EDT Oct 19, 2026-6pm EDT Oct 25, 2026
 
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