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

69°F

21°C

Humidity 84%
Wind Speed W 7 mph
Barometer 29.90 in (1012.1 mb)
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Last update 13 Oct 10:56 pm EDT
Extended Forecast for

Mayville NY

  • Tonight

    Tonight: Increasing clouds, with a low around 58. West wind 6 to 8 mph.

    Low: 58 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: A chance of showers, mainly before 9am. Mostly cloudy, with a high near 64. Northwest wind 5 to 8 mph. Chance of precipitation is 30%.

    High: 64 °F

    Chance
    Showers then
    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 44. Northeast wind around 7 mph.

    Low: 44 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 65. East wind around 6 mph.

    High: 65 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Showers likely, then showers and possibly a thunderstorm after 11pm. Low around 50. Southeast wind 5 to 10 mph becoming south after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 50 °F

    Showers
    Likely then
    Showers

  • Friday

    Friday: Showers and possibly a thunderstorm. High near 60. Breezy, with a west wind 14 to 24 mph, with gusts as high as 37 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    High: 60 °F

    Showers and
    Breezy

  • Friday Night

    Friday Night: Rain showers likely before 5am, then a chance of rain and snow showers. Mostly cloudy, with a low around 34. Breezy, with a northwest wind 22 to 24 mph, with gusts as high as 36 mph. Chance of precipitation is 70%.

    Low: 34 °F

    Breezy.
    Showers
    Likely then
    Rain/Snow
    Likely

  • Saturday

    Saturday: A chance of rain and snow showers before 8am. Mostly sunny, with a high near 47. Breezy, with a northwest wind 17 to 20 mph. Chance of precipitation is 30%.

    High: 47 °F

    Breezy.
    Chance
    Rain/Snow
    then Mostly
    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 34.

    Low: 34 °F

    Mostly Clear

Detailed Forecast

Tonight
Increasing clouds, with a low around 58. West wind 6 to 8 mph.
Wednesday
A chance of showers, mainly before 9am. Mostly cloudy, with a high near 64. Northwest wind 5 to 8 mph. Chance of precipitation is 30%.
Wednesday Night
Mostly cloudy, with a low around 44. Northeast wind around 7 mph.
Thursday
Partly sunny, with a high near 65. East wind around 6 mph.
Thursday Night
Showers likely, then showers and possibly a thunderstorm after 11pm. Low around 50. Southeast wind 5 to 10 mph becoming south after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Friday
Showers and possibly a thunderstorm. High near 60. Breezy, with a west wind 14 to 24 mph, with gusts as high as 37 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Friday Night
Rain showers likely before 5am, then a chance of rain and snow showers. Mostly cloudy, with a low around 34. Breezy, with a northwest wind 22 to 24 mph, with gusts as high as 36 mph. Chance of precipitation is 70%.
Saturday
A chance of rain and snow showers before 8am. Mostly sunny, with a high near 47. Breezy, with a northwest wind 17 to 20 mph. Chance of precipitation is 30%.
Saturday Night
Mostly clear, with a low around 34.
Sunday
Sunny, with a high near 58.
Sunday Night
Mostly clear, with a low around 40.
Monday
Partly sunny, with a high near 61.
Monday Night
Mostly cloudy, with a low around 44.
Tuesday
Mostly sunny, with a high near 61.
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Forecast Area
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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 Oct 13, 2026
Forecast Valid:
11pm EDT Oct 13, 2026-6pm EDT Oct 20, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation