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.

Mostly Cloudy

37°F

3°C

Humidity 96%
Wind Speed S 10 mph
Barometer 29.84 in (1012.3 mb)
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Wind Chill30°F (-1°C)
Last update 20 Mar 8:56 am EDT
Extended Forecast for

3 Miles ESE Youngsville PA

  • Today

    Today: Rain, mainly after noon. High near 55. West wind 6 to 11 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 55 °F

    Chance Rain
    then Rain

  • Tonight

    Tonight: Mostly cloudy, with a low around 34. Northwest wind around 5 mph becoming calm in the evening.

    Low: 34 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 54. Calm wind.

    High: 54 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 41. Calm wind.

    Low: 41 °F

    Mostly Cloudy

  • Sunday

    Sunday: A chance of rain. Partly sunny, with a high near 66. Southwest wind 5 to 7 mph. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 66 °F

    Chance Rain

  • Sunday Night

    Sunday Night: Rain likely before 5am, then a chance of rain and snow. Some thunder is also possible. Mostly cloudy, with a low around 31. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 31 °F

    Rain Likely
    then
    Rain/Snow
    Likely

  • Monday

    Monday: A chance of snow before 8am. Partly sunny, with a high near 42. Chance of precipitation is 30%.

    High: 42 °F

    Chance Snow
    then Partly
    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 23.

    Low: 23 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 47.

    High: 47 °F

    Partly Sunny

Detailed Forecast

Today
Rain, mainly after noon. High near 55. West wind 6 to 11 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Tonight
Mostly cloudy, with a low around 34. Northwest wind around 5 mph becoming calm in the evening.
Saturday
Partly sunny, with a high near 54. Calm wind.
Saturday Night
Mostly cloudy, with a low around 41. Calm wind.
Sunday
A chance of rain. Partly sunny, with a high near 66. Southwest wind 5 to 7 mph. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday Night
Rain likely before 5am, then a chance of rain and snow. Some thunder is also possible. Mostly cloudy, with a low around 31. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Monday
A chance of snow before 8am. Partly sunny, with a high near 42. Chance of precipitation is 30%.
Monday Night
Partly cloudy, with a low around 23.
Tuesday
Partly sunny, with a high near 47.
Tuesday Night
Mostly cloudy, with a low around 29.
Wednesday
Partly sunny, with a high near 45.
Wednesday Night
A chance of rain and snow. Mostly cloudy, with a low around 29. Chance of precipitation is 30%.
Thursday
A chance of rain and snow. Partly sunny, with a high near 58. Chance of precipitation is 40%.
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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:
8:05 am EDT Mar 20, 2026
Forecast Valid:
9am EDT Mar 20, 2026-6pm EDT Mar 26, 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