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.

Fair

59°F

15°C

Humidity 39%
Wind Speed S 5 mph
Barometer 30.38 in (1029.9 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Last update 1 Nov 5:56 pm EST
Extended Forecast for

Sinclairville NY

  • Tonight

    Tonight: Mostly cloudy, with a low around 45. South wind around 7 mph.

    Low: 45 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 67. South wind 3 to 6 mph.

    High: 67 °F

    Partly Sunny

  • Monday Night

    Monday Night: A slight chance of showers after 1am. Mostly cloudy, with a low around 51. South wind 6 to 8 mph. Chance of precipitation is 20%.

    Low: 51 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Tuesday

    Tuesday: Partly sunny, with a high near 70. South wind 8 to 10 mph.

    High: 70 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 53. South wind 8 to 10 mph, with gusts as high as 20 mph.

    Low: 53 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 72. South wind 10 to 13 mph.

    High: 72 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Showers, mainly after 1am. Low around 56. South wind around 11 mph, with gusts as high as 22 mph. Chance of precipitation is 80%.

    Low: 56 °F

    Chance
    Showers then
    Showers

  • Thursday

    Thursday: Showers likely, mainly before 1pm. Mostly cloudy, with a high near 66. South wind 8 to 11 mph. Chance of precipitation is 60%.

    High: 66 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: A chance of showers. Mostly cloudy, with a low around 48. Chance of precipitation is 50%.

    Low: 48 °F

    Chance
    Showers

Detailed Forecast

Tonight
Mostly cloudy, with a low around 45. South wind around 7 mph.
Monday
Partly sunny, with a high near 67. South wind 3 to 6 mph.
Monday Night
A slight chance of showers after 1am. Mostly cloudy, with a low around 51. South wind 6 to 8 mph. Chance of precipitation is 20%.
Tuesday
Partly sunny, with a high near 70. South wind 8 to 10 mph.
Tuesday Night
Partly cloudy, with a low around 53. South wind 8 to 10 mph, with gusts as high as 20 mph.
Wednesday
Mostly sunny, with a high near 72. South wind 10 to 13 mph.
Wednesday Night
Showers, mainly after 1am. Low around 56. South wind around 11 mph, with gusts as high as 22 mph. Chance of precipitation is 80%.
Thursday
Showers likely, mainly before 1pm. Mostly cloudy, with a high near 66. South wind 8 to 11 mph. Chance of precipitation is 60%.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 48. Chance of precipitation is 50%.
Friday
A chance of showers. Mostly cloudy, with a high near 58. Chance of precipitation is 50%.
Friday Night
A chance of showers. Mostly cloudy, with a low around 41. Chance of precipitation is 40%.
Saturday
A chance of showers. Mostly cloudy, with a high near 53. Chance of precipitation is 30%.
Saturday Night
Mostly cloudy, with a low around 37.
Sunday
Partly sunny, with a high near 55.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Sinclairville NY
 42.27°N 79.27°W (Elev. 1371 ft)
Last Update:
3:57 pm EST Nov 1, 2026
Forecast Valid:
6pm EST Nov 1, 2026-6pm EST Nov 8, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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