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.

Partly Cloudy

77°F

25°C

Humidity 40%
Wind Speed SW 9 mph
Barometer 30.20 in (1022.3 mb)
Dewpoint 51°F (11°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 6 Oct 4:56 pm EDT
Extended Forecast for

2 Miles ENE Mayville NY

  • Tonight

    Tonight: A slight chance of showers between 4am and 5am, then a chance of showers and thunderstorms after 5am. Partly cloudy, with a low around 59. Calm wind becoming south 5 to 7 mph in the evening. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 59 °F

    Partly Cloudy
    then Chance
    Showers

  • Tuesday

    Tuesday: Showers and thunderstorms before 1pm, then showers and possibly a thunderstorm, mainly after 1pm. High near 69. Southwest wind 8 to 13 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 69 °F

    Showers

  • Tuesday Night

    Tuesday Night: Showers and possibly a thunderstorm. Low around 46. North wind around 10 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 46 °F

    Showers

  • Wednesday

    Wednesday: A chance of showers before 8am. Sunny, with a high near 57. North wind 11 to 13 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 57 °F

    Chance
    Showers then
    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 35. North wind 6 to 8 mph.

    Low: 35 °F

    Mostly Clear

  • Thursday

    Thursday: Patchy frost before 9am. Otherwise, sunny, with a high near 58. Northeast wind 6 to 8 mph.

    High: 58 °F

    Patchy Frost
    then Sunny

  • Thursday Night

    Thursday Night: Patchy frost after 2am. Otherwise, clear, with a low around 35. East wind around 6 mph becoming southeast after midnight.

    Low: 35 °F

    Clear then
    Patchy Frost

  • Friday

    Friday: Areas of frost before 9am. Otherwise, sunny, with a high near 63. South wind around 8 mph.

    High: 63 °F

    Areas Frost
    then Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 40.

    Low: 40 °F

    Mostly Clear

Detailed Forecast

Tonight
A slight chance of showers between 4am and 5am, then a chance of showers and thunderstorms after 5am. Partly cloudy, with a low around 59. Calm wind becoming south 5 to 7 mph in the evening. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday
Showers and thunderstorms before 1pm, then showers and possibly a thunderstorm, mainly after 1pm. High near 69. Southwest wind 8 to 13 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Tuesday Night
Showers and possibly a thunderstorm. Low around 46. North wind around 10 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
A chance of showers before 8am. Sunny, with a high near 57. North wind 11 to 13 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
Mostly clear, with a low around 35. North wind 6 to 8 mph.
Thursday
Patchy frost before 9am. Otherwise, sunny, with a high near 58. Northeast wind 6 to 8 mph.
Thursday Night
Patchy frost after 2am. Otherwise, clear, with a low around 35. East wind around 6 mph becoming southeast after midnight.
Friday
Areas of frost before 9am. Otherwise, sunny, with a high near 63. South wind around 8 mph.
Friday Night
Mostly clear, with a low around 40.
Saturday
Sunny, with a high near 66.
Saturday Night
Mostly clear, with a low around 43.
Sunday
Sunny, with a high near 66.
Sunday Night
Partly cloudy, with a low around 45.
Columbus Day
Mostly sunny, with a high near 66.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles ENE Mayville NY
 42.26°N 79.47°W (Elev. 1348 ft)
Last Update:
4:36 pm EDT Oct 6, 2025
Forecast Valid:
5pm EDT Oct 6, 2025-6pm EDT Oct 13, 2025
 
Forecast Discussion
 
Get as KML Get as XML

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