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.

Partly Cloudy

66°F

19°C

Humidity NA
Wind Speed W 7 mph
Barometer 30.04 in (1016.9 mb)
Dewpoint N/A
Visibility 10.00 mi
Last update 4 Sep 7:56 am EDT
Extended Forecast for

Mayville NY

  • Today

    Today: A chance of showers, with thunderstorms also possible after 2pm. Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 74. Calm wind becoming west around 6 mph in the afternoon. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 74 °F

    Patchy Fog
    then Chance
    T-storms

  • Tonight

    Tonight: A chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and midnight. Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 59. Calm wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 59 °F

    Chance
    T-storms then
    Patchy Fog

  • Saturday

    Saturday: Patchy fog before 9am. Otherwise, mostly sunny, with a high near 72. Light northeast wind becoming north 5 to 9 mph in the morning.

    High: 72 °F

    Patchy Fog
    then Mostly
    Sunny

  • Saturday Night

    Saturday Night: Patchy fog after 1am. Otherwise, mostly clear, with a low around 53. East wind 3 to 6 mph.

    Low: 53 °F

    Mostly Clear
    then Patchy
    Fog

  • Sunday

    Sunday: Patchy fog before 9am. Otherwise, sunny, with a high near 72. Northeast wind 5 to 9 mph.

    High: 72 °F

    Patchy Fog
    then Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 52. Northeast wind around 6 mph becoming light and variable after midnight.

    Low: 52 °F

    Mostly Clear

  • Labor Day

    Labor Day: Sunny, with a high near 74. Calm wind becoming northeast around 5 mph in the afternoon.

    High: 74 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 54. Light and variable wind.

    Low: 54 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 74.

    High: 74 °F

    Mostly Sunny

Detailed Forecast

Today
A chance of showers, with thunderstorms also possible after 2pm. Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 74. Calm wind becoming west around 6 mph in the afternoon. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
A chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and midnight. Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 59. Calm wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday
Patchy fog before 9am. Otherwise, mostly sunny, with a high near 72. Light northeast wind becoming north 5 to 9 mph in the morning.
Saturday Night
Patchy fog after 1am. Otherwise, mostly clear, with a low around 53. East wind 3 to 6 mph.
Sunday
Patchy fog before 9am. Otherwise, sunny, with a high near 72. Northeast wind 5 to 9 mph.
Sunday Night
Mostly clear, with a low around 52. Northeast wind around 6 mph becoming light and variable after midnight.
Labor Day
Sunny, with a high near 74. Calm wind becoming northeast around 5 mph in the afternoon.
Monday Night
Partly cloudy, with a low around 54. Light and variable wind.
Tuesday
Mostly sunny, with a high near 74.
Tuesday Night
A chance of showers after 2am. Mostly cloudy, with a low around 60. Chance of precipitation is 30%.
Wednesday
A chance of showers. Mostly cloudy, with a high near 78. Chance of precipitation is 40%.
Wednesday Night
Showers likely. Mostly cloudy, with a low around 63. Chance of precipitation is 60%.
Thursday
A chance of showers. Partly sunny, with a high near 74. Chance of precipitation is 50%.
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ABOUT THIS FORECAST

 
Point Forecast:
Mayville NY
 42.26°N 79.5°W (Elev. 1398 ft)
Last Update:
7:57 am EDT Sep 4, 2026
Forecast Valid:
8am EDT Sep 4, 2026-6pm EDT Sep 10, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation