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.

Fog/Mist

36°F

2°C

Humidity 100%
Wind Speed N 8 mph
Barometer 30.29 in (1027.1 mb)
Dewpoint 36°F (2°C)
Visibility 6.00 mi
Wind Chill30°F (-1°C)
Last update 11 Apr 3:56 am EDT
Extended Forecast for

Mayville NY

  • Today

    Today: Mostly cloudy through mid morning, then gradual clearing, with a high near 47. Northwest wind 6 to 8 mph.

    High: 47 °F

    Becoming
    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 34. Light and variable wind.

    Low: 34 °F

    Increasing
    Clouds

  • Sunday

    Sunday: A chance of showers after 11am. Mostly cloudy, with a high near 65. South wind 6 to 10 mph. Chance of precipitation is 40%.

    High: 65 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: A chance of showers after 2am. Mostly cloudy, with a low around 56. South wind 10 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 30%.

    Low: 56 °F

    Mostly Cloudy
    then Chance
    Showers

  • Monday

    Monday: Showers, mainly after 8am. High near 68. Southwest wind around 16 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    High: 68 °F

    Showers

  • Monday Night

    Monday Night: Showers likely, with thunderstorms also possible after 2am. Mostly cloudy, with a low around 54. Southwest wind 6 to 10 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 54 °F

    Showers
    Likely

  • Tuesday

    Tuesday: A chance of showers, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 71. Southwest wind 6 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 50%.

    High: 71 °F

    Chance
    Showers then
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 57. Southwest wind around 8 mph. Chance of precipitation is 60%.

    Low: 57 °F

    Showers
    Likely

  • Wednesday

    Wednesday: Showers likely, mainly after 2pm. Mostly cloudy, with a high near 71. Chance of precipitation is 60%.

    High: 71 °F

    Showers
    Likely

Detailed Forecast

Today
Mostly cloudy through mid morning, then gradual clearing, with a high near 47. Northwest wind 6 to 8 mph.
Tonight
Increasing clouds, with a low around 34. Light and variable wind.
Sunday
A chance of showers after 11am. Mostly cloudy, with a high near 65. South wind 6 to 10 mph. Chance of precipitation is 40%.
Sunday Night
A chance of showers after 2am. Mostly cloudy, with a low around 56. South wind 10 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 30%.
Monday
Showers, mainly after 8am. High near 68. Southwest wind around 16 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Monday Night
Showers likely, with thunderstorms also possible after 2am. Mostly cloudy, with a low around 54. Southwest wind 6 to 10 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday
A chance of showers, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 71. Southwest wind 6 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 50%.
Tuesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 57. Southwest wind around 8 mph. Chance of precipitation is 60%.
Wednesday
Showers likely, mainly after 2pm. Mostly cloudy, with a high near 71. Chance of precipitation is 60%.
Wednesday Night
Showers likely, mainly before 8pm. Mostly cloudy, with a low around 53. Chance of precipitation is 60%.
Thursday
A chance of showers. Mostly cloudy, with a high near 70. Chance of precipitation is 40%.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 53. Chance of precipitation is 40%.
Friday
A chance of showers. Partly sunny, with a high near 70. Chance of precipitation is 40%.
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ABOUT THIS FORECAST

 
Point Forecast:
Mayville NY
 42.24°N 79.51°W (Elev. 1365 ft)
Last Update:
3:58 am EDT Apr 11, 2026
Forecast Valid:
4am EDT Apr 11, 2026-6pm EDT Apr 17, 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