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.

Overcast

57°F

14°C

Humidity 100%
Wind Speed NW 10 mph
Barometer 30.05 in (1017.9 mb)
Dewpoint 57°F (14°C)
Visibility 8.00 mi
Last update 14 Oct 3:56 pm EDT
Extended Forecast for

Sinclairville NY

  • Tonight

    Tonight: Mostly cloudy, with a low around 42. Northwest wind around 9 mph becoming northeast after midnight.

    Low: 42 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 64. Southeast wind 5 to 7 mph.

    High: 64 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Showers likely, with thunderstorms also possible after 11pm. Mostly cloudy, with a low around 54. Southeast wind 6 to 13 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 54 °F

    Showers
    Likely

  • Friday

    Friday: Showers and possibly a thunderstorm. High near 66. Southwest wind 15 to 17 mph becoming west in the afternoon. Winds could gust as high as 31 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    High: 66 °F

    Showers

  • Friday Night

    Friday Night: Showers likely, mainly before 2am. Mostly cloudy, with a low around 33. North wind around 14 mph, with gusts as high as 29 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 33 °F

    Showers
    Likely

  • Saturday

    Saturday: A chance of showers before 8am. Mostly sunny, with a high near 46. North wind around 15 mph, with gusts as high as 29 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 46 °F

    Chance
    Showers then
    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 32. Southwest wind 5 to 7 mph.

    Low: 32 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 59. Southwest wind 6 to 10 mph.

    High: 59 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 35.

    Low: 35 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly cloudy, with a low around 42. Northwest wind around 9 mph becoming northeast after midnight.
Thursday
Partly sunny, with a high near 64. Southeast wind 5 to 7 mph.
Thursday Night
Showers likely, with thunderstorms also possible after 11pm. Mostly cloudy, with a low around 54. Southeast wind 6 to 13 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Friday
Showers and possibly a thunderstorm. High near 66. Southwest wind 15 to 17 mph becoming west in the afternoon. Winds could gust as high as 31 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Friday Night
Showers likely, mainly before 2am. Mostly cloudy, with a low around 33. North wind around 14 mph, with gusts as high as 29 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
A chance of showers before 8am. Mostly sunny, with a high near 46. North wind around 15 mph, with gusts as high as 29 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night
Mostly clear, with a low around 32. Southwest wind 5 to 7 mph.
Sunday
Sunny, with a high near 59. Southwest wind 6 to 10 mph.
Sunday Night
Mostly clear, with a low around 35.
Monday
Sunny, with a high near 63.
Monday Night
Partly cloudy, with a low around 38.
Tuesday
Mostly sunny, with a high near 63.
Tuesday Night
Mostly clear, with a low around 38.
Wednesday
Sunny, with a high near 64.
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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:
4:11 pm EDT Oct 14, 2026
Forecast Valid:
4pm EDT Oct 14, 2026-6pm EDT Oct 21, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation