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

39°F

4°C

Humidity 86%
Wind Speed Vrbl 6 mph
Barometer 29.97 in (1016.5 mb)
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Wind Chill35°F (2°C)
Last update 22 Nov 9:56 am EST
Extended Forecast for

3 Miles ESE Youngsville PA

  • Today

    Today: Mostly cloudy, with a high near 45. Calm wind becoming northwest around 6 mph in the afternoon.

    High: 45 °F

    Mostly Cloudy

  • Tonight

    Tonight: Mostly cloudy, with a low around 27. Calm wind.

    Low: 27 °F

    Mostly Cloudy

  • Sunday

    Sunday: A chance of rain and snow showers before 10am, then a chance of rain showers. Mostly cloudy, with a high near 47. Southwest wind 5 to 11 mph becoming west in the afternoon. Winds could gust as high as 29 mph. Chance of precipitation is 30%.

    High: 47 °F

    Chance
    Rain/Snow
    then Chance
    Showers

  • Sunday Night

    Sunday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 28. West wind around 6 mph becoming calm in the evening.

    Low: 28 °F

    Decreasing
    Clouds

  • Monday

    Monday: Mostly sunny, with a high near 50. Calm wind becoming southwest around 6 mph in the afternoon.

    High: 50 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A slight chance of rain and snow showers between 1am and 4am, then a slight chance of rain showers after 4am. Mostly cloudy, with a low around 34. Chance of precipitation is 20%.

    Low: 34 °F

    Mostly Cloudy
    then Slight
    Chance
    Rain/Snow

  • Tuesday

    Tuesday: Showers. High near 52. Chance of precipitation is 90%.

    High: 52 °F

    Showers

  • Tuesday Night

    Tuesday Night: Showers. Low around 42. Chance of precipitation is 80%.

    Low: 42 °F

    Showers

  • Wednesday

    Wednesday: Showers likely, mainly before 1pm. Mostly cloudy, with a high near 54. Chance of precipitation is 70%.

    High: 54 °F

    Showers
    Likely

Detailed Forecast

Today
Mostly cloudy, with a high near 45. Calm wind becoming northwest around 6 mph in the afternoon.
Tonight
Mostly cloudy, with a low around 27. Calm wind.
Sunday
A chance of rain and snow showers before 10am, then a chance of rain showers. Mostly cloudy, with a high near 47. Southwest wind 5 to 11 mph becoming west in the afternoon. Winds could gust as high as 29 mph. Chance of precipitation is 30%.
Sunday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 28. West wind around 6 mph becoming calm in the evening.
Monday
Mostly sunny, with a high near 50. Calm wind becoming southwest around 6 mph in the afternoon.
Monday Night
A slight chance of rain and snow showers between 1am and 4am, then a slight chance of rain showers after 4am. Mostly cloudy, with a low around 34. Chance of precipitation is 20%.
Tuesday
Showers. High near 52. Chance of precipitation is 90%.
Tuesday Night
Showers. Low around 42. Chance of precipitation is 80%.
Wednesday
Showers likely, mainly before 1pm. Mostly cloudy, with a high near 54. Chance of precipitation is 70%.
Wednesday Night
A chance of rain and snow showers before 1am, then a chance of snow showers. Mostly cloudy, with a low around 30. Chance of precipitation is 40%.
Thanksgiving Day
A chance of snow showers. Mostly cloudy, with a high near 39. Chance of precipitation is 50%.
Thursday Night
A chance of snow showers. Mostly cloudy, with a low around 24. Chance of precipitation is 50%.
Friday
A chance of snow showers. Mostly cloudy, with a high near 36. Chance of precipitation is 50%.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ESE Youngsville PA
 41.85°N 79.27°W (Elev. 1339 ft)
Last Update:
9:56 am EST Nov 22, 2025
Forecast Valid:
10am EST Nov 22, 2025-6pm EST Nov 28, 2025
 
Forecast Discussion
 
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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation