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

40°F

4°C

Humidity 45%
Wind Speed S 15 mph
Barometer 30.22 in (1025.4 mb)
Dewpoint 20°F (-7°C)
Visibility 10.00 mi
Wind Chill32°F (0°C)
Last update 25 Mar 10:56 am EDT
Extended Forecast for

6 Miles NNW Grand Valley PA

  • Today

    Today: Mostly cloudy, with a high near 54. South wind 5 to 8 mph.

    High: 54 °F

    Mostly Cloudy

  • Tonight

    Tonight: A slight chance of rain between 2am and 3am. Mostly cloudy, with a low around 45. South wind around 7 mph. Chance of precipitation is 20%.

    Low: 45 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Thursday

    Thursday: Rain likely, with thunderstorms also possible after 5pm. Mostly cloudy, with a high near 65. Southwest wind 7 to 10 mph, with gusts as high as 28 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 65 °F

    Slight Chance
    Rain then
    Rain Likely

  • Thursday Night

    Thursday Night: Rain before 2am, then a chance of rain and snow. Some thunder is also possible. Low around 29. Southwest wind around 8 mph becoming north in the evening. Winds could gust as high as 24 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

    Low: 29 °F

    Rain then
    Rain/Snow

  • Friday

    Friday: A chance of snow before 8am. Partly sunny, with a high near 39. North wind around 9 mph, with gusts as high as 23 mph. Chance of precipitation is 30%.

    High: 39 °F

    Chance Snow
    then Mostly
    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 19.

    Low: 19 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 39.

    High: 39 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 24.

    Low: 24 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 50.

    High: 50 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly cloudy, with a high near 54. South wind 5 to 8 mph.
Tonight
A slight chance of rain between 2am and 3am. Mostly cloudy, with a low around 45. South wind around 7 mph. Chance of precipitation is 20%.
Thursday
Rain likely, with thunderstorms also possible after 5pm. Mostly cloudy, with a high near 65. Southwest wind 7 to 10 mph, with gusts as high as 28 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night
Rain before 2am, then a chance of rain and snow. Some thunder is also possible. Low around 29. Southwest wind around 8 mph becoming north in the evening. Winds could gust as high as 24 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.
Friday
A chance of snow before 8am. Partly sunny, with a high near 39. North wind around 9 mph, with gusts as high as 23 mph. Chance of precipitation is 30%.
Friday Night
Mostly clear, with a low around 19.
Saturday
Mostly sunny, with a high near 39.
Saturday Night
Partly cloudy, with a low around 24.
Sunday
Mostly sunny, with a high near 50.
Sunday Night
Mostly cloudy, with a low around 36.
Monday
A chance of rain. Mostly cloudy, with a high near 57. Chance of precipitation is 30%.
Monday Night
A chance of rain. Mostly cloudy, with a low around 43. Chance of precipitation is 30%.
Tuesday
A chance of rain. Mostly cloudy, with a high near 61. Chance of precipitation is 40%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles NNW Grand Valley PA
 41.81°N 79.57°W (Elev. 1503 ft)
Last Update:
10:21 am EDT Mar 25, 2026
Forecast Valid:
11am EDT Mar 25, 2026-6pm EDT Mar 31, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation