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.

Light Rain Fog/Mist

41°F

5°C

Humidity 100%
Wind Speed NW 9 mph
Barometer 29.85 in (1012.0 mb)
Dewpoint 41°F (5°C)
Visibility 5.00 mi
Wind Chill35°F (2°C)
Last update 13 May 10:56 pm EDT
Extended Forecast for

Mayville NY

  • Tonight

    Tonight: A chance of showers, mainly after 3am. Cloudy, with a low around 41. West wind around 11 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 41 °F

    Chance
    Showers

  • Thursday

    Thursday: Showers likely, mainly between 7am and 9am. Cloudy, with a high near 51. Northwest wind around 11 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 51 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: A slight chance of showers before 2am. Cloudy, then gradually becoming partly cloudy, with a low around 44. Northwest wind around 8 mph. Chance of precipitation is 20%.

    Low: 44 °F

    Slight Chance
    Showers

  • Friday

    Friday: Mostly sunny, with a high near 63. Northwest wind 5 to 8 mph.

    High: 63 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 50. South wind 3 to 8 mph.

    Low: 50 °F

    Partly Cloudy

  • Saturday

    Saturday: A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 79. Southwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 79 °F

    Mostly Sunny
    then Chance
    Showers

  • Saturday Night

    Saturday Night: A chance of showers. Mostly cloudy, with a low around 58. South wind 5 to 7 mph. Chance of precipitation is 40%.

    Low: 58 °F

    Chance
    Showers

  • Sunday

    Sunday: A chance of showers before 2pm. Partly sunny, with a high near 74. Light west wind. Chance of precipitation is 30%.

    High: 74 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 59.

    Low: 59 °F

    Partly Cloudy

Detailed Forecast

Tonight
A chance of showers, mainly after 3am. Cloudy, with a low around 41. West wind around 11 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
Showers likely, mainly between 7am and 9am. Cloudy, with a high near 51. Northwest wind around 11 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
A slight chance of showers before 2am. Cloudy, then gradually becoming partly cloudy, with a low around 44. Northwest wind around 8 mph. Chance of precipitation is 20%.
Friday
Mostly sunny, with a high near 63. Northwest wind 5 to 8 mph.
Friday Night
Partly cloudy, with a low around 50. South wind 3 to 8 mph.
Saturday
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 79. Southwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 58. South wind 5 to 7 mph. Chance of precipitation is 40%.
Sunday
A chance of showers before 2pm. Partly sunny, with a high near 74. Light west wind. Chance of precipitation is 30%.
Sunday Night
Partly cloudy, with a low around 59.
Monday
Mostly sunny, with a high near 86.
Monday Night
Mostly clear, with a low around 68.
Tuesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 87. Chance of precipitation is 40%.
Tuesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 62. Chance of precipitation is 40%.
Wednesday
Showers likely. Mostly cloudy, with a high near 75. Chance of precipitation is 60%.
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ABOUT THIS FORECAST

 
Point Forecast:
Mayville NY
 42.26°N 79.5°W (Elev. 1398 ft)
Last Update:
9:57 pm EDT May 13, 2026
Forecast Valid:
11pm EDT May 13, 2026-6pm EDT May 20, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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