Sinclairville Weather Forecast

    • 53
    • 76

    Decreasing Clouds

    • 53
    • 76

    Mostly Sunny

    • 56
    • 78

    Mostly Sunny

    • 56
    • 81

    Partly Sunny

    • 56
    • 80

    Partly Sunny

    • 56
    • 80

    Partly Sunny

Today 13 Sep Chautauqua

Partly to mostly sunny. Patchy fog this morning. Highs Ranging from the lower 70s along the lake Erie shore to the upper 70s inland. Light Winds.

Tonight 13 Sep Chautauqua

Mostly cloudy in the Evening, then clearing. Lows Ranging from the lower 50s in interior Valleys to the upper 50s along the lake Erie shore. Light Winds.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Sinclairville Temperature Statistics

September Temperature

Jamestown, Chautauqua County/Jamestown Airport (7.5 miles)

  • Lowest 8 September, 2025

    42.1 °F

  • Average September

    59.8 °F

  • Highest 3 September, 2025

    77 °F

Climate (2020–Present)

Jamestown, Chautauqua County/Jamestown Airport (7.5 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2020–2025

    40.7 °F

  • Average 2020–2025

    48.2 °F

  • Average High 2020–2025

    55.9 °F
Get WillyWeather+ to remove ads