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

70°F

21°C

Humidity 76%
Wind Speed Calm
Barometer 30.00 in (1015.6 mb)
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Last update 23 Sep 1:56 pm EDT
Extended Forecast for

Jamestown NY

  • This Afternoon

    This Afternoon: A chance of showers, with thunderstorms also possible after 3pm. Partly sunny, with a high near 73. Calm wind. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 73 °F

    Chance
    Showers

  • Tonight

    Tonight: A slight chance of showers after midnight. Patchy dense fog after midnight. Otherwise, mostly cloudy, with a low around 57. Calm wind. Chance of precipitation is 20%.

    Low: 57 °F

    Slight Chance
    Showers and
    Patchy Dense
    Fog

  • Wednesday

    Wednesday: A chance of showers, with thunderstorms also possible after 5pm. Areas of dense fog before 10am. Otherwise, cloudy, with a high near 75. Calm wind becoming southeast around 6 mph in the afternoon. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 75 °F

    Areas Dense
    Fog then
    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 7pm. Low around 58. East wind 3 to 5 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 58 °F

    Showers

  • Thursday

    Thursday: Showers, with thunderstorms also possible after 2pm. High near 71. South wind 6 to 9 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 71 °F

    Showers

  • Thursday Night

    Thursday Night: Showers likely, with thunderstorms also possible after 2am. Mostly cloudy, with a low around 56. West wind 3 to 6 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 56 °F

    Showers
    Likely

  • Friday

    Friday: A chance of showers. Partly sunny, with a high near 72. West wind 5 to 7 mph. Chance of precipitation is 40%.

    High: 72 °F

    Chance
    Showers

  • Friday Night

    Friday Night: Partly cloudy, with a low around 50. West wind around 5 mph becoming calm in the evening.

    Low: 50 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 76.

    High: 76 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
A chance of showers, with thunderstorms also possible after 3pm. Partly sunny, with a high near 73. Calm wind. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
A slight chance of showers after midnight. Patchy dense fog after midnight. Otherwise, mostly cloudy, with a low around 57. Calm wind. Chance of precipitation is 20%.
Wednesday
A chance of showers, with thunderstorms also possible after 5pm. Areas of dense fog before 10am. Otherwise, cloudy, with a high near 75. Calm wind becoming southeast around 6 mph in the afternoon. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 7pm. Low around 58. East wind 3 to 5 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Thursday
Showers, with thunderstorms also possible after 2pm. High near 71. South wind 6 to 9 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Thursday Night
Showers likely, with thunderstorms also possible after 2am. Mostly cloudy, with a low around 56. West wind 3 to 6 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday
A chance of showers. Partly sunny, with a high near 72. West wind 5 to 7 mph. Chance of precipitation is 40%.
Friday Night
Partly cloudy, with a low around 50. West wind around 5 mph becoming calm in the evening.
Saturday
Mostly sunny, with a high near 76.
Saturday Night
Mostly clear, with a low around 51.
Sunday
Sunny, with a high near 75.
Sunday Night
Mostly clear, with a low around 48.
Monday
Sunny, with a high near 77.
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ABOUT THIS FORECAST

 
Point Forecast:
Jamestown NY
 42.09°N 79.24°W (Elev. 1430 ft)
Last Update:
1:36 pm EDT Sep 23, 2025
Forecast Valid:
2pm EDT Sep 23, 2025-6pm EDT Sep 29, 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