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.

Unknown Precip Fog/Mist

34°F

1°C

Humidity 100%
Wind Speed NW 12 mph
Barometer 29.83 in (1012.2 mb)
Dewpoint 34°F (1°C)
Visibility 5.00 mi
Wind Chill25°F (-4°C)
Last update 14 Nov 6:56 am EST
Extended Forecast for

Mayville NY

  • Today

    Today: Rain and snow showers likely, becoming all rain after 9am. Mostly cloudy, with a high near 40. Northwest wind 9 to 14 mph. Chance of precipitation is 70%. Total daytime snow accumulation of less than a half inch possible.

    High: 40 °F

    Rain/Snow
    Likely then
    Showers
    Likely

  • Tonight

    Tonight: Rain showers likely before midnight, then a chance of snow showers. Cloudy, with a low around 30. Northwest wind 9 to 11 mph, with gusts as high as 24 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 30 °F

    Showers
    Likely then
    Chance Snow
    Showers

  • Sunday

    Sunday: A slight chance of rain and snow showers before 7am, then a slight chance of rain showers. Mostly cloudy, with a high near 43. North wind around 9 mph. Chance of precipitation is 20%.

    High: 43 °F

    Slight Chance
    Rain/Snow
    then Slight
    Chance
    Showers

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 31. Northwest wind around 6 mph.

    Low: 31 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 45. Northwest wind 5 to 7 mph.

    High: 45 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Partly cloudy, with a low around 30. Southwest wind around 6 mph.

    Low: 30 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 50. West wind 6 to 9 mph.

    High: 50 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 29. Southwest wind around 6 mph.

    Low: 29 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 54.

    High: 54 °F

    Sunny

Detailed Forecast

Today
Rain and snow showers likely, becoming all rain after 9am. Mostly cloudy, with a high near 40. Northwest wind 9 to 14 mph. Chance of precipitation is 70%. Total daytime snow accumulation of less than a half inch possible.
Tonight
Rain showers likely before midnight, then a chance of snow showers. Cloudy, with a low around 30. Northwest wind 9 to 11 mph, with gusts as high as 24 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Sunday
A slight chance of rain and snow showers before 7am, then a slight chance of rain showers. Mostly cloudy, with a high near 43. North wind around 9 mph. Chance of precipitation is 20%.
Sunday Night
Mostly cloudy, with a low around 31. Northwest wind around 6 mph.
Monday
Mostly cloudy, with a high near 45. Northwest wind 5 to 7 mph.
Monday Night
Partly cloudy, with a low around 30. Southwest wind around 6 mph.
Tuesday
Sunny, with a high near 50. West wind 6 to 9 mph.
Tuesday Night
Mostly clear, with a low around 29. Southwest wind around 6 mph.
Wednesday
Sunny, with a high near 54.
Wednesday Night
Partly cloudy, with a low around 32.
Thursday
Mostly sunny, with a high near 56.
Thursday Night
Mostly cloudy, with a low around 39.
Friday
Partly sunny, with a high near 57.
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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:
6:57 am EST Nov 14, 2026
Forecast Valid:
7am EST Nov 14, 2026-6pm EST Nov 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