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

46°F

8°C

Humidity 42%
Wind Speed Vrbl 6 mph
Barometer 30.39 in (1030.7 mb)
Dewpoint 24°F (-4°C)
Visibility 10.00 mi
Wind Chill43°F (6°C)
Last update 11 Apr 3:56 pm EDT
Extended Forecast for

Mayville NY

  • Tonight

    Tonight: Increasing clouds, with a low around 33. North wind around 6 mph becoming calm in the evening.

    Low: 33 °F

    Increasing
    Clouds

  • Sunday

    Sunday: A chance of showers, mainly between noon and 5pm. Mostly cloudy, with a high near 67. South wind 6 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 67 °F

    Mostly Cloudy
    then Chance
    Showers

  • Sunday Night

    Sunday Night: A slight chance of showers before 7pm, then a chance of showers after 2am. Mostly cloudy, with a low around 56. Southwest wind 10 to 16 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 56 °F

    Mostly Cloudy
    then Chance
    Showers

  • Monday

    Monday: Showers, with thunderstorms also possible after 2pm. High near 68. Breezy, with a southwest wind 16 to 20 mph, with gusts as high as 32 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 68 °F

    Showers and
    Breezy

  • Monday Night

    Monday Night: Showers likely and possibly a thunderstorm before 2am, then a chance of showers between 2am and 5am, then a chance of showers and thunderstorms after 5am. Mostly cloudy, with a low around 55. Southwest wind 7 to 11 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 55 °F

    Showers
    Likely

  • Tuesday

    Tuesday: A chance of showers and thunderstorms before 8am, then a chance of showers between 8am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 73. Southwest wind 8 to 14 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 73 °F

    Showers
    Likely

  • Tuesday Night

    Tuesday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 58. Southwest wind around 8 mph. Chance of precipitation is 60%.

    Low: 58 °F

    Showers
    Likely

  • Wednesday

    Wednesday: Showers likely, mainly after 2pm. Mostly cloudy, with a high near 72. Southwest wind 9 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 60%.

    High: 72 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Showers likely before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then a chance of showers after 2am. Mostly cloudy, with a low around 56. Chance of precipitation is 60%.

    Low: 56 °F

    Showers
    Likely

Detailed Forecast

Tonight
Increasing clouds, with a low around 33. North wind around 6 mph becoming calm in the evening.
Sunday
A chance of showers, mainly between noon and 5pm. Mostly cloudy, with a high near 67. South wind 6 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Sunday Night
A slight chance of showers before 7pm, then a chance of showers after 2am. Mostly cloudy, with a low around 56. Southwest wind 10 to 16 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Monday
Showers, with thunderstorms also possible after 2pm. High near 68. Breezy, with a southwest wind 16 to 20 mph, with gusts as high as 32 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Monday Night
Showers likely and possibly a thunderstorm before 2am, then a chance of showers between 2am and 5am, then a chance of showers and thunderstorms after 5am. Mostly cloudy, with a low around 55. Southwest wind 7 to 11 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday
A chance of showers and thunderstorms before 8am, then a chance of showers between 8am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 73. Southwest wind 8 to 14 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 58. Southwest wind around 8 mph. Chance of precipitation is 60%.
Wednesday
Showers likely, mainly after 2pm. Mostly cloudy, with a high near 72. Southwest wind 9 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 60%.
Wednesday Night
Showers likely before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then a chance of showers after 2am. Mostly cloudy, with a low around 56. Chance of precipitation is 60%.
Thursday
A chance of showers. Mostly cloudy, with a high near 69. Chance of precipitation is 50%.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 50. Chance of precipitation is 40%.
Friday
Partly sunny, with a high near 69.
Friday Night
A chance of showers. Mostly cloudy, with a low around 51. Chance of precipitation is 40%.
Saturday
Showers likely. Mostly cloudy, with a high near 70. Chance of precipitation is 60%.
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ABOUT THIS FORECAST

 
Point Forecast:
Mayville NY
 42.24°N 79.51°W (Elev. 1365 ft)
Last Update:
3:58 pm EDT Apr 11, 2026
Forecast Valid:
4pm EDT Apr 11, 2026-6pm EDT Apr 18, 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