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.

Overcast

57°F

14°C

Humidity 87%
Wind Speed E 7 mph
Barometer 30.18 in (1022.5 mb)
Dewpoint 53°F (12°C)
Visibility 10.00 mi
Last update 21 Sep 10:56 am EDT
Extended Forecast for

Mayville NY

  • Today

    Today: Mostly cloudy, with a high near 62. Northeast wind around 11 mph.

    High: 62 °F

    Mostly Cloudy

  • Tonight

    Tonight: Mostly cloudy, with a low around 47. East wind 9 to 11 mph.

    Low: 47 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A slight chance of showers between 2pm and 5pm. Partly sunny, with a high near 62. East wind 9 to 13 mph. Chance of precipitation is 20%.

    High: 62 °F

    Partly Sunny
    then Slight
    Chance
    Showers

  • Tuesday Night

    Tuesday Night: A chance of showers, mainly after 2am. Mostly cloudy, with a low around 46. East wind 8 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 46 °F

    Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers, mainly before 8am. Partly sunny, with a high near 63. East wind 9 to 11 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 63 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 46. East wind 6 to 10 mph.

    Low: 46 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 64. East wind 7 to 9 mph.

    High: 64 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 45. East wind 3 to 8 mph.

    Low: 45 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 64.

    High: 64 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly cloudy, with a high near 62. Northeast wind around 11 mph.
Tonight
Mostly cloudy, with a low around 47. East wind 9 to 11 mph.
Tuesday
A slight chance of showers between 2pm and 5pm. Partly sunny, with a high near 62. East wind 9 to 13 mph. Chance of precipitation is 20%.
Tuesday Night
A chance of showers, mainly after 2am. Mostly cloudy, with a low around 46. East wind 8 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
A chance of showers, mainly before 8am. Partly sunny, with a high near 63. East wind 9 to 11 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
Mostly cloudy, with a low around 46. East wind 6 to 10 mph.
Thursday
Mostly sunny, with a high near 64. East wind 7 to 9 mph.
Thursday Night
Partly cloudy, with a low around 45. East wind 3 to 8 mph.
Friday
Mostly sunny, with a high near 64.
Friday Night
Partly cloudy, with a low around 47.
Saturday
Mostly sunny, with a high near 64.
Saturday Night
Partly cloudy, with a low around 48.
Sunday
Mostly sunny, with a high near 66.
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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:
11:08 am EDT Sep 21, 2026
Forecast Valid:
11am EDT Sep 21, 2026-6pm EDT Sep 27, 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