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

65°F

18°C

Humidity 54%
Wind Speed S 7 mph
Barometer 30.02 in (1017.0 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 12 Apr 10:56 pm EDT
Extended Forecast for

Mayville NY

  • Tonight

    Tonight: A chance of showers, mainly after 5am. Mostly cloudy, with a low around 56. Southwest wind around 14 mph, with gusts as high as 25 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 56 °F

    Chance
    Showers

  • Monday

    Monday: Showers likely, mainly before 11am. Mostly cloudy, with a high near 67. Southwest wind 14 to 18 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.

    High: 67 °F

    Showers
    Likely then
    Chance
    Showers

  • Monday Night

    Monday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 57. South wind 6 to 8 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 57 °F

    Chance
    Showers then
    Chance
    T-storms

  • Tuesday

    Tuesday: Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 73. Southwest wind 9 to 16 mph, with gusts as high as 29 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 73 °F

    Showers
    Likely

  • Tuesday Night

    Tuesday Night: Showers and possibly a thunderstorm. Low around 60. Southwest wind around 8 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 60 °F

    Showers

  • Wednesday

    Wednesday: Showers, with thunderstorms also possible after 2pm. High near 73. Southwest wind 9 to 13 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 73 °F

    Showers

  • Wednesday Night

    Wednesday Night: Showers and possibly a thunderstorm before 8pm, then showers likely. Low around 57. South wind around 8 mph. Chance of precipitation is 80%.

    Low: 57 °F

    Showers

  • Thursday

    Thursday: Showers likely, mainly after 2pm. Mostly cloudy, with a high near 72. Southwest wind 9 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 60%.

    High: 72 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: Showers likely, mainly before 8pm. Mostly cloudy, with a low around 51. Chance of precipitation is 60%.

    Low: 51 °F

    Showers
    Likely then
    Chance
    Showers

Detailed Forecast

Tonight
A chance of showers, mainly after 5am. Mostly cloudy, with a low around 56. Southwest wind around 14 mph, with gusts as high as 25 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Monday
Showers likely, mainly before 11am. Mostly cloudy, with a high near 67. Southwest wind 14 to 18 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.
Monday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 57. South wind 6 to 8 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 73. Southwest wind 9 to 16 mph, with gusts as high as 29 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
Showers and possibly a thunderstorm. Low around 60. Southwest wind around 8 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
Showers, with thunderstorms also possible after 2pm. High near 73. Southwest wind 9 to 13 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday Night
Showers and possibly a thunderstorm before 8pm, then showers likely. Low around 57. South wind around 8 mph. Chance of precipitation is 80%.
Thursday
Showers likely, mainly after 2pm. Mostly cloudy, with a high near 72. Southwest wind 9 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 60%.
Thursday Night
Showers likely, mainly before 8pm. Mostly cloudy, with a low around 51. Chance of precipitation is 60%.
Friday
Mostly sunny, with a high near 67.
Friday Night
Partly cloudy, with a low around 53.
Saturday
A chance of showers. Partly sunny, with a high near 75. Chance of precipitation is 50%.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 48. Chance of precipitation is 50%.
Sunday
A chance of showers. Mostly cloudy, with a high near 63. Chance of precipitation is 50%.
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ABOUT THIS FORECAST

 
Point Forecast:
Mayville NY
 42.24°N 79.51°W (Elev. 1365 ft)
Last Update:
9:58 pm EDT Apr 12, 2026
Forecast Valid:
11pm EDT Apr 12, 2026-6pm EDT Apr 19, 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