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

54°F

12°C

Humidity 64%
Wind Speed N 3 mph
Barometer 30.01 in (1017.6 mb)
Dewpoint 42°F (6°C)
Visibility 10.00 mi
Last update 17 Oct 6:56 pm EDT
Extended Forecast for

5 Miles NNW Grand Valley PA

  • Tonight

    Tonight: Showers likely, mainly after 3am. Mostly cloudy, with a low around 44. Calm wind becoming south around 5 mph after midnight. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 44 °F

    Showers
    Likely

  • Saturday

    Saturday: A chance of showers, mainly before 7am. Partly sunny, with a high near 71. South wind 7 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 71 °F

    Chance
    Showers then
    Mostly Sunny

  • Saturday Night

    Saturday Night: A chance of showers. Mostly cloudy, with a low around 55. South wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 55 °F

    Chance
    Showers

  • Sunday

    Sunday: Showers, with thunderstorms also possible after 5pm. High near 72. South wind 13 to 16 mph, with gusts as high as 37 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 72 °F

    Showers

  • Sunday Night

    Sunday Night: Showers and possibly a thunderstorm. Low around 43. Southwest wind around 14 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 43 °F

    Showers

  • Monday

    Monday: A chance of showers before 2pm. Partly sunny, with a high near 57. Chance of precipitation is 30%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 57 °F

    Chance
    Showers

  • Monday Night

    Monday Night: A chance of showers after 2am. Partly cloudy, with a low around 40. Chance of precipitation is 30%.

    Low: 40 °F

    Mostly Clear
    then Chance
    Showers

  • Tuesday

    Tuesday: Showers likely, mainly after 8am. Mostly cloudy, with a high near 58. Chance of precipitation is 70%.

    High: 58 °F

    Showers
    Likely

  • Tuesday Night

    Tuesday Night: Showers likely. Mostly cloudy, with a low around 38. Chance of precipitation is 70%.

    Low: 38 °F

    Showers
    Likely

Detailed Forecast

Tonight
Showers likely, mainly after 3am. Mostly cloudy, with a low around 44. Calm wind becoming south around 5 mph after midnight. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
A chance of showers, mainly before 7am. Partly sunny, with a high near 71. South wind 7 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 55. South wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Sunday
Showers, with thunderstorms also possible after 5pm. High near 72. South wind 13 to 16 mph, with gusts as high as 37 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Sunday Night
Showers and possibly a thunderstorm. Low around 43. Southwest wind around 14 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
Monday
A chance of showers before 2pm. Partly sunny, with a high near 57. Chance of precipitation is 30%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday Night
A chance of showers after 2am. Partly cloudy, with a low around 40. Chance of precipitation is 30%.
Tuesday
Showers likely, mainly after 8am. Mostly cloudy, with a high near 58. Chance of precipitation is 70%.
Tuesday Night
Showers likely. Mostly cloudy, with a low around 38. Chance of precipitation is 70%.
Wednesday
Showers likely, mainly before 2pm. Mostly cloudy, with a high near 50. Chance of precipitation is 60%.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 38. Chance of precipitation is 40%.
Thursday
A chance of showers. Mostly cloudy, with a high near 54. Chance of precipitation is 30%.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 37. Chance of precipitation is 50%.
Friday
A chance of showers. Partly sunny, with a high near 53. Chance of precipitation is 40%.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles NNW Grand Valley PA
 41.79°N 79.58°W (Elev. 1696 ft)
Last Update:
2:16 pm EDT Oct 17, 2025
Forecast Valid:
7pm EDT Oct 17, 2025-6pm EDT Oct 24, 2025
 
Forecast Discussion
 
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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