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

28°F

-2°C

Humidity 75%
Wind Speed Calm
Barometer 30.32 in (1029.3 mb)
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Last update 25 Mar 12:56 am EDT
Extended Forecast for

3 Miles ESE Youngsville PA

  • Overnight

    Overnight: Partly cloudy, with a low around 28. Calm wind.

    Low: 28 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 56. Calm wind becoming south around 6 mph in the afternoon.

    High: 56 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: A slight chance of showers after 2am. Mostly cloudy, with a low around 45. South wind 3 to 5 mph. Chance of precipitation is 20%.

    Low: 45 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Thursday

    Thursday: A slight chance of showers before 8am, then showers likely after 2pm. Partly sunny, with a high near 65. Southwest wind 5 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 65 °F

    Partly Sunny
    then Showers
    Likely

  • Thursday Night

    Thursday Night: Rain showers before 5am, then a chance of rain and snow showers. Some thunder is also possible. Low around 30. Southwest wind around 6 mph becoming northwest after midnight. Chance of precipitation is 90%. Little or no snow accumulation expected.

    Low: 30 °F

    Showers then
    Rain/Snow

  • Friday

    Friday: A chance of rain and snow showers before 8am. Partly sunny, with a high near 40. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 40 °F

    Chance
    Rain/Snow
    then Mostly
    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 20.

    Low: 20 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 42.

    High: 42 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 25.

    Low: 25 °F

    Partly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a low around 28. Calm wind.
Wednesday
Mostly cloudy, with a high near 56. Calm wind becoming south around 6 mph in the afternoon.
Wednesday Night
A slight chance of showers after 2am. Mostly cloudy, with a low around 45. South wind 3 to 5 mph. Chance of precipitation is 20%.
Thursday
A slight chance of showers before 8am, then showers likely after 2pm. Partly sunny, with a high near 65. Southwest wind 5 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
Rain showers before 5am, then a chance of rain and snow showers. Some thunder is also possible. Low around 30. Southwest wind around 6 mph becoming northwest after midnight. Chance of precipitation is 90%. Little or no snow accumulation expected.
Friday
A chance of rain and snow showers before 8am. Partly sunny, with a high near 40. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
Mostly clear, with a low around 20.
Saturday
Mostly sunny, with a high near 42.
Saturday Night
Partly cloudy, with a low around 25.
Sunday
Mostly sunny, with a high near 52.
Sunday Night
Mostly cloudy, with a low around 35.
Monday
Partly sunny, with a high near 58.
Monday Night
A chance of showers. Partly cloudy, with a low around 38. Chance of precipitation is 30%.
Tuesday
A chance of showers. Partly sunny, with a high near 57. Chance of precipitation is 30%.
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Forecast Area
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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 pm EDT Mar 24, 2026
Forecast Valid:
1am EDT Mar 25, 2026-6pm EDT Mar 31, 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