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

45°F

7°C

Humidity 83%
Wind Speed Calm
Barometer 30.37 in (1029.8 mb)
Dewpoint 40°F (4°C)
Visibility 10.00 mi
Last update 10 Oct 7:56 am EDT
Extended Forecast for

Sinclairville NY

  • Today

    Today: Patchy fog before 9am. Otherwise, partly sunny, with a high near 70. Southeast wind 5 to 8 mph.

    High: 70 °F

    Patchy Fog
    then Partly
    Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 51. Southeast wind 10 to 13 mph, with gusts as high as 24 mph.

    Low: 51 °F

    Mostly Cloudy

  • Sunday

    Sunday: Rain, mainly after 8am. High near 62. Southeast wind 11 to 15 mph, with gusts as high as 28 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 62 °F

    Rain

  • Sunday Night

    Sunday Night: Rain likely, mainly before 8pm. Mostly cloudy, with a low around 53. East wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 53 °F

    Rain Likely
    then Chance
    Rain

  • Columbus Day

    Columbus Day: Mostly cloudy, with a high near 69. Light and variable wind becoming west 5 to 7 mph in the morning.

    High: 69 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: A slight chance of showers, then a chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 56. Southwest wind around 7 mph. Chance of precipitation is 40%.

    Low: 56 °F

    Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers, then showers and possibly a thunderstorm after 8am. High near 69. Southwest wind 8 to 13 mph. Chance of precipitation is 80%.

    High: 69 °F

    Showers

  • Tuesday Night

    Tuesday Night: Showers, mainly before 8pm. Low around 46. North wind 6 to 9 mph. Chance of precipitation is 80%.

    Low: 46 °F

    Showers then
    Chance
    Showers

  • Wednesday

    Wednesday: Partly sunny, with a high near 60.

    High: 60 °F

    Partly Sunny

Detailed Forecast

Today
Patchy fog before 9am. Otherwise, partly sunny, with a high near 70. Southeast wind 5 to 8 mph.
Tonight
Mostly cloudy, with a low around 51. Southeast wind 10 to 13 mph, with gusts as high as 24 mph.
Sunday
Rain, mainly after 8am. High near 62. Southeast wind 11 to 15 mph, with gusts as high as 28 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Sunday Night
Rain likely, mainly before 8pm. Mostly cloudy, with a low around 53. East wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Columbus Day
Mostly cloudy, with a high near 69. Light and variable wind becoming west 5 to 7 mph in the morning.
Monday Night
A slight chance of showers, then a chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 56. Southwest wind around 7 mph. Chance of precipitation is 40%.
Tuesday
A chance of showers, then showers and possibly a thunderstorm after 8am. High near 69. Southwest wind 8 to 13 mph. Chance of precipitation is 80%.
Tuesday Night
Showers, mainly before 8pm. Low around 46. North wind 6 to 9 mph. Chance of precipitation is 80%.
Wednesday
Partly sunny, with a high near 60.
Wednesday Night
Partly cloudy, with a low around 40.
Thursday
Mostly sunny, with a high near 62.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 44. Chance of precipitation is 50%.
Friday
A chance of showers. Mostly cloudy, with a high near 60. Chance of precipitation is 50%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Sinclairville NY
 42.25°N 79.3°W (Elev. 1293 ft)
Last Update:
7:57 am EDT Oct 10, 2026
Forecast Valid:
8am EDT Oct 10, 2026-6pm EDT Oct 16, 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