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.

Fog

57°F

14°C

Humidity 100%
Wind Speed S 3 mph
Barometer 30.04 in (1017.2 mb)
Dewpoint 57°F (14°C)
Visibility 0.50 mi
Last update 24 Sep 4:56 am EDT
Extended Forecast for

Mayville NY

  • Today

    Today: A chance of showers before 1pm, then a chance of showers and thunderstorms between 1pm and 2pm, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 73. Southeast wind 5 to 8 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 73 °F

    Chance
    Showers then
    Showers
    Likely

  • Tonight

    Tonight: Showers and possibly a thunderstorm, mainly before 1am, then a chance of showers and thunderstorms after 1am. Low around 58. East wind around 6 mph becoming calm after midnight. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 58 °F

    Showers

  • Thursday

    Thursday: Showers and thunderstorms likely, mainly before 11am, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 69. South wind 6 to 9 mph becoming west in the afternoon. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 69 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 11pm, then a chance of showers after 11pm. Mostly cloudy, with a low around 55. West wind around 6 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 55 °F

    Showers
    Likely

  • Friday

    Friday: A chance of showers, mainly before 2pm. Partly sunny, with a high near 70. West wind 5 to 7 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 70 °F

    Chance
    Showers

  • Friday Night

    Friday Night: A slight chance of showers before 8pm, then a slight chance of showers after 2am. Partly cloudy, with a low around 52. West wind around 5 mph becoming light and variable in the evening. Chance of precipitation is 20%.

    Low: 52 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Saturday

    Saturday: Mostly sunny, with a high near 73. South wind around 6 mph becoming west in the afternoon.

    High: 73 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 54. South wind 3 to 5 mph.

    Low: 54 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 74.

    High: 74 °F

    Sunny

Detailed Forecast

Today
A chance of showers before 1pm, then a chance of showers and thunderstorms between 1pm and 2pm, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 73. Southeast wind 5 to 8 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and possibly a thunderstorm, mainly before 1am, then a chance of showers and thunderstorms after 1am. Low around 58. East wind around 6 mph becoming calm after midnight. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
Showers and thunderstorms likely, mainly before 11am, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 69. South wind 6 to 9 mph becoming west in the afternoon. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 11pm, then a chance of showers after 11pm. Mostly cloudy, with a low around 55. West wind around 6 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday
A chance of showers, mainly before 2pm. Partly sunny, with a high near 70. West wind 5 to 7 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
A slight chance of showers before 8pm, then a slight chance of showers after 2am. Partly cloudy, with a low around 52. West wind around 5 mph becoming light and variable in the evening. Chance of precipitation is 20%.
Saturday
Mostly sunny, with a high near 73. South wind around 6 mph becoming west in the afternoon.
Saturday Night
Partly cloudy, with a low around 54. South wind 3 to 5 mph.
Sunday
Sunny, with a high near 74.
Sunday Night
Partly cloudy, with a low around 53.
Monday
Mostly sunny, with a high near 74.
Monday Night
Partly cloudy, with a low around 52.
Tuesday
Mostly sunny, with a high near 73.
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ABOUT THIS FORECAST

 
Point Forecast:
Mayville NY
 42.26°N 79.5°W (Elev. 1398 ft)
Last Update:
4:36 am EDT Sep 24, 2025
Forecast Valid:
5am EDT Sep 24, 2025-6pm EDT Sep 30, 2025
 
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