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 with Haze

57°F

14°C

Humidity NA
Wind Speed SW 7 mph
Barometer 29.93 in (1013.2 mb)
Dewpoint N/A
Visibility 5.00 mi
Last update 14 Oct 4:56 am EDT
Extended Forecast for

Sinclairville NY

  • Today

    Today: A chance of showers, mainly before 10am. Mostly cloudy, with a high near 62. Northwest wind 5 to 9 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 62 °F

    Chance
    Showers then
    Mostly Cloudy

  • Tonight

    Tonight: Mostly cloudy, with a low around 42. Northeast wind around 8 mph.

    Low: 42 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 65. East wind around 7 mph.

    High: 65 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Showers, with thunderstorms also possible after 11pm. Low around 51. Southeast wind 5 to 9 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 51 °F

    Showers

  • Friday

    Friday: Showers and possibly a thunderstorm. High near 62. Breezy, with a west wind 13 to 20 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 62 °F

    Showers and
    Breezy

  • Friday Night

    Friday Night: Showers, mainly before 2am. Low around 32. Northwest wind 16 to 18 mph, with gusts as high as 29 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 32 °F

    Showers

  • Saturday

    Saturday: A chance of showers before 8am. Mostly sunny, with a high near 47. Northwest wind 15 to 17 mph. Chance of precipitation is 30%.

    High: 47 °F

    Chance
    Showers then
    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 32. Southwest wind 6 to 8 mph.

    Low: 32 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 60.

    High: 60 °F

    Sunny

Detailed Forecast

Today
A chance of showers, mainly before 10am. Mostly cloudy, with a high near 62. Northwest wind 5 to 9 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
Mostly cloudy, with a low around 42. Northeast wind around 8 mph.
Thursday
Partly sunny, with a high near 65. East wind around 7 mph.
Thursday Night
Showers, with thunderstorms also possible after 11pm. Low around 51. Southeast wind 5 to 9 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Friday
Showers and possibly a thunderstorm. High near 62. Breezy, with a west wind 13 to 20 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Friday Night
Showers, mainly before 2am. Low around 32. Northwest wind 16 to 18 mph, with gusts as high as 29 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday
A chance of showers before 8am. Mostly sunny, with a high near 47. Northwest wind 15 to 17 mph. Chance of precipitation is 30%.
Saturday Night
Mostly clear, with a low around 32. Southwest wind 6 to 8 mph.
Sunday
Sunny, with a high near 60.
Sunday Night
Mostly clear, with a low around 36.
Monday
Mostly sunny, with a high near 63.
Monday Night
Mostly cloudy, with a low around 41.
Tuesday
Mostly sunny, with a high near 64.
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ABOUT THIS FORECAST

 
Point Forecast:
Sinclairville NY
 42.24°N 79.27°W (Elev. 1299 ft)
Last Update:
3:57 am EDT Oct 14, 2026
Forecast Valid:
5am EDT Oct 14, 2026-6pm EDT Oct 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