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

66°F

19°C

Humidity 52%
Wind Speed SW 15 mph
Barometer 29.78 in (1008.8 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 7 Oct 5:56 pm EDT
Extended Forecast for

4 Miles S Sinclairville NY

  • Tonight

    Tonight: A chance of showers, mainly before 11pm. Mostly cloudy, then gradually becoming clear, with a low around 50. Southwest wind 6 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 50 °F

    Chance
    Showers

  • Thursday

    Thursday: Sunny, with a high near 64. West wind 6 to 14 mph.

    High: 64 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 44. West wind around 6 mph becoming calm in the evening.

    Low: 44 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 63. Calm wind becoming west 5 to 9 mph in the morning.

    High: 63 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 45. Light south wind.

    Low: 45 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 74. South wind 6 to 9 mph.

    High: 74 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Showers after 2am. Low around 54. South wind around 8 mph. Chance of precipitation is 80%.

    Low: 54 °F

    Partly Cloudy
    then Showers

  • Sunday

    Sunday: Showers. High near 65. South wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%.

    High: 65 °F

    Showers

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 56.

    Low: 56 °F

    Mostly Cloudy

Detailed Forecast

Tonight
A chance of showers, mainly before 11pm. Mostly cloudy, then gradually becoming clear, with a low around 50. Southwest wind 6 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
Sunny, with a high near 64. West wind 6 to 14 mph.
Thursday Night
Mostly clear, with a low around 44. West wind around 6 mph becoming calm in the evening.
Friday
Sunny, with a high near 63. Calm wind becoming west 5 to 9 mph in the morning.
Friday Night
Mostly clear, with a low around 45. Light south wind.
Saturday
Mostly sunny, with a high near 74. South wind 6 to 9 mph.
Saturday Night
Showers after 2am. Low around 54. South wind around 8 mph. Chance of precipitation is 80%.
Sunday
Showers. High near 65. South wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%.
Sunday Night
Mostly cloudy, with a low around 56.
Columbus Day
Mostly cloudy, with a high near 66.
Monday Night
A chance of showers. Mostly cloudy, with a low around 47. Chance of precipitation is 50%.
Tuesday
Showers likely. Mostly cloudy, with a high near 58. Chance of precipitation is 60%.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 40. Chance of precipitation is 30%.
Wednesday
Partly sunny, with a high near 54.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles S Sinclairville NY
 42.2°N 79.25°W (Elev. 1375 ft)
Last Update:
3:57 pm EDT Oct 7, 2026
Forecast Valid:
6pm EDT Oct 7, 2026-6pm EDT Oct 14, 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