National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Jamestown, Chautauqua County/Jamestown Airport (KJHW)

Lat: 42.15°NLon: 79.27°WElev: 1722ft.

Partly Cloudy

65°F

18°C

Humidity 73%
Wind Speed S 16 G 28 mph
Barometer 29.91 in (1012.7 mb)
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Last update 14 Apr 9:56 am EDT
Extended Forecast for

Mayville NY

  • Today

    Today: Showers and thunderstorms before 1pm, then a chance of showers and thunderstorms after 2pm. High near 73. Southwest wind 14 to 16 mph, with gusts as high as 28 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 73 °F

    Showers then
    Chance
    T-storms

  • Tonight

    Tonight: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 3am. Low around 58. South wind around 7 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 58 °F

    Chance
    T-storms then
    Showers

  • Wednesday

    Wednesday: Showers and possibly a thunderstorm. High near 72. Southwest wind 10 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 72 °F

    Showers

  • Wednesday Night

    Wednesday Night: Showers and possibly a thunderstorm. Low around 57. Southwest wind around 7 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 57 °F

    Showers

  • Thursday

    Thursday: Showers likely, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 70. Southwest wind 8 to 10 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 70 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 50. Southwest wind around 6 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 50 °F

    Showers
    Likely

  • Friday

    Friday: A chance of showers. Partly sunny, with a high near 64. Southwest wind around 7 mph becoming northwest in the afternoon. Chance of precipitation is 40%.

    High: 64 °F

    Chance
    Showers

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 51. Northwest wind around 5 mph becoming southeast after midnight.

    Low: 51 °F

    Mostly Cloudy

  • Saturday

    Saturday: Showers likely after 2pm. Partly sunny, with a high near 74. Chance of precipitation is 60%.

    High: 74 °F

    Partly Sunny
    then Showers
    Likely

Detailed Forecast

Today
Showers and thunderstorms before 1pm, then a chance of showers and thunderstorms after 2pm. High near 73. Southwest wind 14 to 16 mph, with gusts as high as 28 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 3am. Low around 58. South wind around 7 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday
Showers and possibly a thunderstorm. High near 72. Southwest wind 10 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday Night
Showers and possibly a thunderstorm. Low around 57. Southwest wind around 7 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Thursday
Showers likely, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 70. Southwest wind 8 to 10 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 50. Southwest wind around 6 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday
A chance of showers. Partly sunny, with a high near 64. Southwest wind around 7 mph becoming northwest in the afternoon. Chance of precipitation is 40%.
Friday Night
Mostly cloudy, with a low around 51. Northwest wind around 5 mph becoming southeast after midnight.
Saturday
Showers likely after 2pm. Partly sunny, with a high near 74. Chance of precipitation is 60%.
Saturday Night
Showers likely. Mostly cloudy, with a low around 41. Chance of precipitation is 70%.
Sunday
A chance of showers. Partly sunny, with a high near 52. Chance of precipitation is 50%.
Sunday Night
A chance of rain and snow showers. Mostly cloudy, with a low around 31. Chance of precipitation is 30%.
Monday
Partly sunny, with a high near 45.
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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:
10:05 am EDT Apr 14, 2026
Forecast Valid:
10am EDT Apr 14, 2026-6pm EDT Apr 20, 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