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

54°F

12°C

Humidity 45%
Wind Speed Calm
Barometer 30.05 in (1018.8 mb)
Dewpoint 33°F (1°C)
Visibility 10.00 mi
Last update 12 May 7:56 pm EDT
Extended Forecast for

Mayville NY

  • Tonight

    Tonight: Showers, mainly after 3am. Low around 49. Light south wind increasing to 8 to 13 mph in the evening. Winds could gust as high as 23 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 49 °F

    Chance
    Showers then
    Showers

  • Wednesday

    Wednesday: Showers and possibly a thunderstorm before 2pm, then a chance of showers. High near 62. West wind 13 to 15 mph, with gusts as high as 26 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 62 °F

    Showers

  • Wednesday Night

    Wednesday Night: Showers likely after 2am. Mostly cloudy, with a low around 41. West wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 41 °F

    Mostly Cloudy
    then Showers
    Likely

  • Thursday

    Thursday: Showers likely, mainly before 2pm. Mostly cloudy, with a high near 52. Northwest wind around 10 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 52 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: A chance of showers before 8pm. Mostly cloudy, with a low around 44. Northwest wind 3 to 5 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 44 °F

    Chance
    Showers then
    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 64. West wind 3 to 6 mph.

    High: 64 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 52. Calm wind becoming south 5 to 8 mph in the evening.

    Low: 52 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 77. Southwest wind 10 to 13 mph, with gusts as high as 23 mph.

    High: 77 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 55.

    Low: 55 °F

    Partly Cloudy

Detailed Forecast

Tonight
Showers, mainly after 3am. Low around 49. Light south wind increasing to 8 to 13 mph in the evening. Winds could gust as high as 23 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday
Showers and possibly a thunderstorm before 2pm, then a chance of showers. High near 62. West wind 13 to 15 mph, with gusts as high as 26 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Showers likely after 2am. Mostly cloudy, with a low around 41. West wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
Showers likely, mainly before 2pm. Mostly cloudy, with a high near 52. Northwest wind around 10 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
A chance of showers before 8pm. Mostly cloudy, with a low around 44. Northwest wind 3 to 5 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Friday
Mostly sunny, with a high near 64. West wind 3 to 6 mph.
Friday Night
Mostly cloudy, with a low around 52. Calm wind becoming south 5 to 8 mph in the evening.
Saturday
Mostly sunny, with a high near 77. Southwest wind 10 to 13 mph, with gusts as high as 23 mph.
Saturday Night
Partly cloudy, with a low around 55.
Sunday
Mostly sunny, with a high near 76.
Sunday Night
A chance of showers. Partly cloudy, with a low around 59. Chance of precipitation is 30%.
Monday
A chance of showers. Mostly sunny, with a high near 86. Chance of precipitation is 30%.
Monday Night
A chance of showers. Mostly cloudy, with a low around 64. Chance of precipitation is 30%.
Tuesday
Showers likely. Mostly cloudy, with a high near 81. 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:
7:57 pm EDT May 12, 2026
Forecast Valid:
8pm EDT May 12, 2026-6pm EDT May 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