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.

Overcast

55°F

13°C

Humidity NA
Wind Speed SW 6 mph
Barometer 29.88 in (1011.8 mb)
Dewpoint N/A
Visibility 10.00 mi
Wind Chill54°F (12°C)
Last update 17 Apr 2:56 am EDT
Extended Forecast for

Mayville NY

  • Overnight

    Overnight: A slight chance of showers. Areas of fog. Otherwise, mostly cloudy, with a low around 49. Light west wind. Chance of precipitation is 20%.

    Low: 49 °F

    Slight Chance
    Showers and
    Areas Fog

  • Friday

    Friday: Areas of fog before 11am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 66. Light north wind.

    High: 66 °F

    Areas Fog
    then Mostly
    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 51. Calm wind becoming south 5 to 9 mph after midnight.

    Low: 51 °F

    Partly Cloudy

  • Saturday

    Saturday: A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Increasing clouds, with a high near 75. South wind 15 to 18 mph, with gusts as high as 31 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    High: 75 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: Showers and possibly a thunderstorm. Low around 35. West wind 9 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 35 °F

    Showers

  • Sunday

    Sunday: A chance of rain showers before 2pm, then a chance of rain and snow showers. Partly sunny, with a high near 42. West wind 10 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    High: 42 °F

    Chance
    Showers then
    Chance
    Rain/Snow

  • Sunday Night

    Sunday Night: A chance of snow showers before 8pm. Mostly cloudy, with a low around 27. Northwest wind around 9 mph. Chance of precipitation is 30%.

    Low: 27 °F

    Chance Snow
    Showers then
    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 40. Northwest wind around 10 mph.

    High: 40 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 27.

    Low: 27 °F

    Partly Cloudy

Detailed Forecast

Overnight
A slight chance of showers. Areas of fog. Otherwise, mostly cloudy, with a low around 49. Light west wind. Chance of precipitation is 20%.
Friday
Areas of fog before 11am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 66. Light north wind.
Friday Night
Partly cloudy, with a low around 51. Calm wind becoming south 5 to 9 mph after midnight.
Saturday
A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Increasing clouds, with a high near 75. South wind 15 to 18 mph, with gusts as high as 31 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Saturday Night
Showers and possibly a thunderstorm. Low around 35. West wind 9 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Sunday
A chance of rain showers before 2pm, then a chance of rain and snow showers. Partly sunny, with a high near 42. West wind 10 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Sunday Night
A chance of snow showers before 8pm. Mostly cloudy, with a low around 27. Northwest wind around 9 mph. Chance of precipitation is 30%.
Monday
Mostly sunny, with a high near 40. Northwest wind around 10 mph.
Monday Night
Partly cloudy, with a low around 27.
Tuesday
Mostly sunny, with a high near 60.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 43. Chance of precipitation is 30%.
Wednesday
Mostly sunny, with a high near 60.
Wednesday Night
Partly cloudy, with a low around 41.
Thursday
Mostly sunny, with a high near 63.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mayville NY
 42.24°N 79.51°W (Elev. 1365 ft)
Last Update:
2:22 am EDT Apr 17, 2026
Forecast Valid:
3am EDT Apr 17, 2026-6pm EDT Apr 23, 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