Current conditions at

Jamestown, Chautauqua County/Jamestown Airport (KJHW)

Lat: 42.15°NLon: 79.27°WElev: 1722ft.

Fair

66°F

19°C

Humidity 90%
Wind Speed S 3 mph
Barometer 30.24 in (1023.7 mb)
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 15 Aug 8:56 am EDT
Extended Forecast for

6 Miles NNW Grand Valley PA

  • Today

    Today: Mostly sunny, with a high near 83. Calm wind.

    High: 83 °F

    Mostly Sunny

  • Tonight

    Tonight: A slight chance of showers after 3am.  Mostly cloudy, with a low around 65. Calm wind becoming southeast around 5 mph after midnight.  Chance of precipitation is 20%.

    Low: 65 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Sunday

    Sunday: Showers and thunderstorms likely, mainly before 2pm, then showers likely and possibly a thunderstorm after 5pm.  Mostly cloudy, with a high near 79. Southeast wind around 7 mph becoming southwest in the afternoon.  Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 79 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: Showers and possibly a thunderstorm before 11pm, then showers likely between 11pm and 2am.  Low around 66. West wind 3 to 5 mph.  Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 66 °F

    Showers

  • Monday

    Monday: Partly sunny, with a high near 76. Northwest wind 5 to 8 mph.

    High: 76 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 55.

    Low: 55 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 78.

    High: 78 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 56.

    Low: 56 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A chance of showers after 2pm.  Mostly sunny, with a high near 78. Chance of precipitation is 50%.

    High: 78 °F

    Mostly Sunny
    then Chance
    Showers

Detailed Forecast

Today
Mostly sunny, with a high near 83. Calm wind.
Tonight
A slight chance of showers after 3am. Mostly cloudy, with a low around 65. Calm wind becoming southeast around 5 mph after midnight. Chance of precipitation is 20%.
Sunday
Showers and thunderstorms likely, mainly before 2pm, then showers likely and possibly a thunderstorm after 5pm. Mostly cloudy, with a high near 79. Southeast wind around 7 mph becoming southwest in the afternoon. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday Night
Showers and possibly a thunderstorm before 11pm, then showers likely between 11pm and 2am. Low around 66. West wind 3 to 5 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday
Partly sunny, with a high near 76. Northwest wind 5 to 8 mph.
Monday Night
Mostly clear, with a low around 55.
Tuesday
Sunny, with a high near 78.
Tuesday Night
Partly cloudy, with a low around 56.
Wednesday
A chance of showers after 2pm. Mostly sunny, with a high near 78. Chance of precipitation is 50%.
Wednesday Night
Showers likely, mainly between 8pm and 2am. Mostly cloudy, with a low around 59. Chance of precipitation is 60%.
Thursday
Partly sunny, with a high near 74.
Thursday Night
Partly cloudy, with a low around 53.
Friday
Mostly sunny, with a high near 73.
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles NNW Grand Valley PA
 41.81°N 79.57°W (Elev. 1503 ft)
8:06 am EDT Aug 15, 2026
9am EDT Aug 15, 2026-6pm EDT Aug 21, 2026
 
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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