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.

Fog/Mist

62°F

17°C

Humidity 100%
Wind Speed N 7 mph
Barometer 30.19 in (1022.1 mb)
Dewpoint 62°F (17°C)
Visibility 2.50 mi
Last update 18 Sep 3:56 am EDT
Extended Forecast for

3 Miles SW Sinclairville NY

  • Today

    Today: Mostly sunny, with a high near 69. North wind 5 to 9 mph.

    High: 69 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 48. North wind around 6 mph becoming light and variable after midnight.

    Low: 48 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 66. East wind 3 to 5 mph.

    High: 66 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Showers likely, mainly after 2am. Cloudy, with a low around 56. Southeast wind around 5 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 56 °F

    Showers
    Likely

  • Sunday

    Sunday: Showers likely, mainly before 2pm. Cloudy, with a high near 65. Light and variable wind becoming north 5 to 7 mph in the afternoon. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.

    High: 65 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: A chance of showers before 8pm. Mostly cloudy, with a low around 50. Northeast wind 7 to 9 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 50 °F

    Chance
    Showers then
    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 62. Northeast wind around 11 mph, with gusts as high as 21 mph.

    High: 62 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: A chance of showers after 2am. Mostly cloudy, with a low around 48. East wind 9 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 50%.

    Low: 48 °F

    Mostly Cloudy
    then Chance
    Showers

  • Tuesday

    Tuesday: Showers likely, mainly after 2pm. Cloudy, with a high near 60. Chance of precipitation is 60%.

    High: 60 °F

    Showers
    Likely

Detailed Forecast

Today
Mostly sunny, with a high near 69. North wind 5 to 9 mph.
Tonight
Mostly cloudy, with a low around 48. North wind around 6 mph becoming light and variable after midnight.
Saturday
Partly sunny, with a high near 66. East wind 3 to 5 mph.
Saturday Night
Showers likely, mainly after 2am. Cloudy, with a low around 56. Southeast wind around 5 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday
Showers likely, mainly before 2pm. Cloudy, with a high near 65. Light and variable wind becoming north 5 to 7 mph in the afternoon. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.
Sunday Night
A chance of showers before 8pm. Mostly cloudy, with a low around 50. Northeast wind 7 to 9 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Monday
Mostly cloudy, with a high near 62. Northeast wind around 11 mph, with gusts as high as 21 mph.
Monday Night
A chance of showers after 2am. Mostly cloudy, with a low around 48. East wind 9 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 50%.
Tuesday
Showers likely, mainly after 2pm. Cloudy, with a high near 60. Chance of precipitation is 60%.
Tuesday Night
Showers likely. Mostly cloudy, with a low around 47. Chance of precipitation is 60%.
Wednesday
A chance of showers. Mostly cloudy, with a high near 61. Chance of precipitation is 50%.
Wednesday Night
Showers likely. Mostly cloudy, with a low around 48. Chance of precipitation is 60%.
Thursday
A chance of showers. Mostly cloudy, with a high near 63. Chance of precipitation is 40%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SW Sinclairville NY
 42.22°N 79.3°W (Elev. 1539 ft)
Last Update:
3:57 am EDT Sep 18, 2026
Forecast Valid:
4am EDT Sep 18, 2026-6pm EDT Sep 24, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation