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/Mist

42°F

6°C

Humidity 100%
Wind Speed S 3 mph
Barometer 29.87 in (1013.1 mb)
Dewpoint 42°F (6°C)
Visibility 1.75 mi
Last update 19 Feb 11:56 am EST
Extended Forecast for

Mayville NY

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 47. Southeast wind around 7 mph.

    High: 47 °F

    Partly Sunny

  • Tonight

    Tonight: A slight chance of showers before 9pm, then rain likely, mainly after 3am. Increasing clouds, with a low around 37. Southeast wind 7 to 11 mph, with gusts as high as 24 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 37 °F

    Slight Chance
    Showers then
    Rain Likely

  • Friday

    Friday: Rain before 4pm, then rain likely, possibly mixed with snow. High near 49. Southeast wind around 13 mph becoming west in the afternoon. Winds could gust as high as 29 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.

    High: 49 °F

    Rain then
    Rain/Snow

  • Friday Night

    Friday Night: Snow likely, possibly mixed with rain, becoming all snow after 10pm. Mostly cloudy, with a low around 29. West wind 10 to 13 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. New snow accumulation of around an inch possible.

    Low: 29 °F

    Rain/Snow
    Likely then
    Snow Likely

  • Saturday

    Saturday: A chance of snow showers before 1pm. Mostly cloudy, with a high near 35. West wind 7 to 9 mph. Chance of precipitation is 30%.

    High: 35 °F

    Chance Snow
    Showers

  • Saturday Night

    Saturday Night: A chance of snow showers, mainly after 1am. Mostly cloudy, with a low around 25. West wind 3 to 5 mph. Chance of precipitation is 40%.

    Low: 25 °F

    Chance Snow
    Showers

  • Sunday

    Sunday: Snow showers likely. Mostly cloudy, with a high near 35. Southeast wind 5 to 7 mph becoming northwest in the afternoon. Chance of precipitation is 70%.

    High: 35 °F

    Snow Showers
    Likely

  • Sunday Night

    Sunday Night: A chance of snow showers. Mostly cloudy, with a low around 23. North wind around 6 mph. Chance of precipitation is 50%.

    Low: 23 °F

    Chance Snow
    Showers

  • Monday

    Monday: A chance of snow showers before 1pm. Mostly cloudy, with a high near 31. Chance of precipitation is 40%.

    High: 31 °F

    Chance Snow
    Showers

Detailed Forecast

This Afternoon
Partly sunny, with a high near 47. Southeast wind around 7 mph.
Tonight
A slight chance of showers before 9pm, then rain likely, mainly after 3am. Increasing clouds, with a low around 37. Southeast wind 7 to 11 mph, with gusts as high as 24 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday
Rain before 4pm, then rain likely, possibly mixed with snow. High near 49. Southeast wind around 13 mph becoming west in the afternoon. Winds could gust as high as 29 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.
Friday Night
Snow likely, possibly mixed with rain, becoming all snow after 10pm. Mostly cloudy, with a low around 29. West wind 10 to 13 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. New snow accumulation of around an inch possible.
Saturday
A chance of snow showers before 1pm. Mostly cloudy, with a high near 35. West wind 7 to 9 mph. Chance of precipitation is 30%.
Saturday Night
A chance of snow showers, mainly after 1am. Mostly cloudy, with a low around 25. West wind 3 to 5 mph. Chance of precipitation is 40%.
Sunday
Snow showers likely. Mostly cloudy, with a high near 35. Southeast wind 5 to 7 mph becoming northwest in the afternoon. Chance of precipitation is 70%.
Sunday Night
A chance of snow showers. Mostly cloudy, with a low around 23. North wind around 6 mph. Chance of precipitation is 50%.
Monday
A chance of snow showers before 1pm. Mostly cloudy, with a high near 31. Chance of precipitation is 40%.
Monday Night
Mostly cloudy, with a low around 13.
Tuesday
Partly sunny, with a high near 25.
Tuesday Night
Mostly cloudy, with a low around 16.
Wednesday
A chance of rain and snow showers. Mostly cloudy, with a high near 37. Chance of precipitation is 50%.
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ABOUT THIS FORECAST

 
Point Forecast:
Mayville NY
 42.24°N 79.51°W (Elev. 1365 ft)
Last Update:
10:15 am EST Feb 19, 2026
Forecast Valid:
12pm EST Feb 19, 2026-6pm EST Feb 25, 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