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.

Overcast

48°F

9°C

Humidity 96%
Wind Speed NE 7 mph
Barometer 30.24 in (1024.8 mb)
Dewpoint 47°F (8°C)
Visibility 10.00 mi
Wind Chill45°F (7°C)
Last update 15 Oct 7:56 am EDT
Extended Forecast for

3 Miles ESE Youngsville PA

  • Today

    Today: Cloudy, then gradually becoming mostly sunny, with a high near 69. Calm wind becoming east around 5 mph in the afternoon.

    High: 69 °F

    Decreasing
    Clouds

  • Tonight

    Tonight: A chance of rain and thunderstorms, then rain and possibly a thunderstorm after 2am. Low around 58. Southeast wind 6 to 8 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 58 °F

    Slight Chance
    T-storms then
    Rain

  • Friday

    Friday: Rain and possibly a thunderstorm before 2pm, then showers likely, mainly between 2pm and 4pm. High near 68. Southwest wind around 11 mph, with gusts as high as 28 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 68 °F

    Showers

  • Friday Night

    Friday Night: Rain showers likely before 5am, then a chance of rain and snow showers. Mostly cloudy, with a low around 36. North wind around 10 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.

    Low: 36 °F

    Showers
    Likely then
    Rain/Snow
    Likely

  • Saturday

    Saturday: A chance of rain and snow showers before 8am. Mostly sunny, with a high near 49. North wind around 9 mph, with gusts as high as 24 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 49 °F

    Chance
    Rain/Snow
    then Sunny

  • Saturday Night

    Saturday Night: Widespread frost, mainly after 11pm. Otherwise, clear, with a low around 30.

    Low: 30 °F

    Frost

  • Sunday

    Sunday: Widespread frost, mainly before 9am. Otherwise, sunny, with a high near 61.

    High: 61 °F

    Frost then
    Sunny

  • Sunday Night

    Sunday Night: Widespread frost, mainly after 5am. Otherwise, clear, with a low around 32.

    Low: 32 °F

    Clear then
    Frost

  • Monday

    Monday: Widespread frost before 9am. Otherwise, sunny, with a high near 64.

    High: 64 °F

    Frost then
    Sunny

Detailed Forecast

Today
Cloudy, then gradually becoming mostly sunny, with a high near 69. Calm wind becoming east around 5 mph in the afternoon.
Tonight
A chance of rain and thunderstorms, then rain and possibly a thunderstorm after 2am. Low around 58. Southeast wind 6 to 8 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday
Rain and possibly a thunderstorm before 2pm, then showers likely, mainly between 2pm and 4pm. High near 68. Southwest wind around 11 mph, with gusts as high as 28 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Friday Night
Rain showers likely before 5am, then a chance of rain and snow showers. Mostly cloudy, with a low around 36. North wind around 10 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.
Saturday
A chance of rain and snow showers before 8am. Mostly sunny, with a high near 49. North wind around 9 mph, with gusts as high as 24 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night
Widespread frost, mainly after 11pm. Otherwise, clear, with a low around 30.
Sunday
Widespread frost, mainly before 9am. Otherwise, sunny, with a high near 61.
Sunday Night
Widespread frost, mainly after 5am. Otherwise, clear, with a low around 32.
Monday
Widespread frost before 9am. Otherwise, sunny, with a high near 64.
Monday Night
Partly cloudy, with a low around 36.
Tuesday
Patchy frost. Otherwise, mostly sunny, with a high near 65.
Tuesday Night
Mostly clear, with a low around 36.
Wednesday
Patchy frost. Otherwise, sunny, with a high near 66.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ESE Youngsville PA
 41.85°N 79.27°W (Elev. 1339 ft)
Last Update:
8:06 am EDT Oct 15, 2026
Forecast Valid:
8am EDT Oct 15, 2026-6pm EDT Oct 21, 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