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.

Mostly Cloudy

56°F

13°C

Humidity 75%
Wind Speed SE 12 G 20 mph
Barometer 30.17 in (1021.9 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 11 Oct 6:56 am EDT
Extended Forecast for

Sinclairville NY

  • Today

    Today: Rain. High near 61. Southeast wind 11 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 61 °F

    Rain

  • Tonight

    Tonight: Rain likely, mainly before 10pm. Mostly cloudy, with a low around 52. East wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 52 °F

    Rain Likely
    then Mostly
    Cloudy

  • Columbus Day

    Columbus Day: Cloudy, then gradually becoming mostly sunny, with a high near 68. Light and variable wind becoming west around 6 mph in the morning.

    High: 68 °F

    Decreasing
    Clouds

  • Monday Night

    Monday Night: A slight chance of showers after 2am. Mostly cloudy, with a low around 57. South wind 5 to 9 mph. Chance of precipitation is 20%.

    Low: 57 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Tuesday

    Tuesday: A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 76. South wind 10 to 16 mph. Chance of precipitation is 40%.

    High: 76 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 54. Southwest wind 6 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 54 °F

    Chance
    Showers

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 64. Northwest wind 6 to 9 mph.

    High: 64 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 44. North wind around 6 mph.

    Low: 44 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 62.

    High: 62 °F

    Partly Sunny

Detailed Forecast

Today
Rain. High near 61. Southeast wind 11 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Tonight
Rain likely, mainly before 10pm. Mostly cloudy, with a low around 52. East wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Columbus Day
Cloudy, then gradually becoming mostly sunny, with a high near 68. Light and variable wind becoming west around 6 mph in the morning.
Monday Night
A slight chance of showers after 2am. Mostly cloudy, with a low around 57. South wind 5 to 9 mph. Chance of precipitation is 20%.
Tuesday
A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 76. South wind 10 to 16 mph. Chance of precipitation is 40%.
Tuesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 54. Southwest wind 6 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday
Mostly cloudy, with a high near 64. Northwest wind 6 to 9 mph.
Wednesday Night
Mostly cloudy, with a low around 44. North wind around 6 mph.
Thursday
Partly sunny, with a high near 62.
Thursday Night
A chance of showers after 8pm. Mostly cloudy, with a low around 45. Chance of precipitation is 50%.
Friday
Showers likely. Mostly cloudy, with a high near 61. Breezy. Chance of precipitation is 70%.
Friday Night
Showers likely. Mostly cloudy, with a low around 37. Chance of precipitation is 70%.
Saturday
A chance of showers. Mostly cloudy, with a high near 50. Chance of precipitation is 40%.
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ABOUT THIS FORECAST

 
Point Forecast:
Sinclairville NY
 42.27°N 79.27°W (Elev. 1371 ft)
Last Update:
3:57 am EDT Oct 11, 2026
Forecast Valid:
7am EDT Oct 11, 2026-6pm EDT Oct 17, 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