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.

Mostly Cloudy

62°F

17°C

Humidity 50%
Wind Speed S 14 mph
Barometer 30.03 in (1017.3 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Last update 16 May 9:56 am EDT
Extended Forecast for

Jamestown NY

  • Today

    Today: A slight chance of showers before 4pm, then a chance of showers and thunderstorms between 4pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. Increasing clouds, with a high near 76. Southwest wind 11 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 76 °F

    Partly Sunny
    then Showers
    Likely

  • Tonight

    Tonight: A chance of showers and thunderstorms, mainly between 9pm and 11pm. Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 58. Southwest wind 5 to 9 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 58 °F

    Chance
    Showers then
    Patchy Fog

  • Sunday

    Sunday: A slight chance of showers before 7am, then a slight chance of showers after 2pm. Patchy fog before 9am. Otherwise, partly sunny, with a high near 81. Light west wind. Chance of precipitation is 20%.

    High: 81 °F

    Patchy Fog
    then Slight
    Chance
    Showers

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 60. Calm wind becoming south around 5 mph after midnight.

    Low: 60 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 87. Southwest wind 6 to 11 mph.

    High: 87 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 66. South wind around 7 mph.

    Low: 66 °F

    Mostly Clear

  • Tuesday

    Tuesday: A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 85. Southwest wind 8 to 13 mph. Chance of precipitation is 50%.

    High: 85 °F

    Chance
    Showers then
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms, then showers after 2am. Low around 63. Southwest wind around 9 mph, with gusts as high as 20 mph. Chance of precipitation is 80%.

    Low: 63 °F

    Chance
    T-storms then
    Showers

  • Wednesday

    Wednesday: Showers before 8am, then showers likely and possibly a thunderstorm between 8am and 2pm, then a chance of showers and thunderstorms after 2pm. High near 75. Chance of precipitation is 80%.

    High: 75 °F

    Showers

Detailed Forecast

Today
A slight chance of showers before 4pm, then a chance of showers and thunderstorms between 4pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. Increasing clouds, with a high near 76. Southwest wind 11 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
A chance of showers and thunderstorms, mainly between 9pm and 11pm. Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 58. Southwest wind 5 to 9 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday
A slight chance of showers before 7am, then a slight chance of showers after 2pm. Patchy fog before 9am. Otherwise, partly sunny, with a high near 81. Light west wind. Chance of precipitation is 20%.
Sunday Night
Partly cloudy, with a low around 60. Calm wind becoming south around 5 mph after midnight.
Monday
Sunny, with a high near 87. Southwest wind 6 to 11 mph.
Monday Night
Mostly clear, with a low around 66. South wind around 7 mph.
Tuesday
A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 85. Southwest wind 8 to 13 mph. Chance of precipitation is 50%.
Tuesday Night
A chance of showers and thunderstorms, then showers after 2am. Low around 63. Southwest wind around 9 mph, with gusts as high as 20 mph. Chance of precipitation is 80%.
Wednesday
Showers before 8am, then showers likely and possibly a thunderstorm between 8am and 2pm, then a chance of showers and thunderstorms after 2pm. High near 75. Chance of precipitation is 80%.
Wednesday Night
A chance of showers before 8pm. Mostly cloudy, with a low around 44. Chance of precipitation is 30%.
Thursday
Partly sunny, with a high near 62.
Thursday Night
Partly cloudy, with a low around 44.
Friday
Mostly sunny, with a high near 69.
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ABOUT THIS FORECAST

 
Point Forecast:
Jamestown NY
 42.09°N 79.24°W (Elev. 1430 ft)
Last Update:
9:57 am EDT May 16, 2026
Forecast Valid:
10am EDT May 16, 2026-6pm EDT May 22, 2026
 
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