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

53°F

12°C

Humidity 23%
Wind Speed S 13 mph
Barometer 29.97 in (1016.5 mb)
Dewpoint 16°F (-9°C)
Visibility 10.00 mi
Wind Chill49°F (9°C)
Last update 25 Mar 5:56 pm EDT
Extended Forecast for

5 Miles NNW Grand Valley PA

  • Tonight

    Tonight: A slight chance of showers after 1am. Mostly cloudy, with a low around 47. South wind around 8 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.

    Low: 47 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Thursday

    Thursday: A chance of showers, then showers likely and possibly a thunderstorm after 5pm. Partly sunny, with a high near 64. Southwest wind 8 to 10 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 64 °F

    Slight Chance
    Showers then
    Showers
    Likely

  • Thursday Night

    Thursday Night: Rain showers before 5am, then rain likely, possibly mixed with snow showers. Some thunder is also possible. Low around 31. Southwest wind around 8 mph becoming north after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.

    Low: 31 °F

    Showers then
    Rain/Snow

  • Friday

    Friday: Rain likely, possibly mixed with snow showers before 8am. Partly sunny, with a high near 40. North wind around 9 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.

    High: 40 °F

    Rain/Snow
    Likely then
    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 19. Northwest wind around 6 mph.

    Low: 19 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 36.

    High: 36 °F

    Mostly Sunny

  • Saturday Night

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

    Low: 23 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 50.

    High: 50 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 36.

    Low: 36 °F

    Mostly Cloudy

Detailed Forecast

Tonight
A slight chance of showers after 1am. Mostly cloudy, with a low around 47. South wind around 8 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.
Thursday
A chance of showers, then showers likely and possibly a thunderstorm after 5pm. Partly sunny, with a high near 64. Southwest wind 8 to 10 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night
Rain showers before 5am, then rain likely, possibly mixed with snow showers. Some thunder is also possible. Low around 31. Southwest wind around 8 mph becoming north after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.
Friday
Rain likely, possibly mixed with snow showers before 8am. Partly sunny, with a high near 40. North wind around 9 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Friday Night
Mostly clear, with a low around 19. Northwest wind around 6 mph.
Saturday
Mostly sunny, with a high near 36.
Saturday Night
Partly cloudy, with a low around 23.
Sunday
Mostly sunny, with a high near 50.
Sunday Night
Mostly cloudy, with a low around 36.
Monday
Mostly cloudy, with a high near 56.
Monday Night
A chance of showers. Mostly cloudy, with a low around 39. Chance of precipitation is 30%.
Tuesday
A chance of showers. Mostly cloudy, with a high near 59. Chance of precipitation is 50%.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 47. Chance of precipitation is 50%.
Wednesday
A chance of showers. Mostly cloudy, with a high near 65. Chance of precipitation is 50%.
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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:
2:21 pm EDT Mar 25, 2026
Forecast Valid:
6pm EDT Mar 25, 2026-6pm EDT Apr 1, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation