Sinclairville Weather Forecast

    • 11
    • 26

    Snow

    • 13
    • 19

    Snow Showers

    • 14
    • 24

    Snow Showers Likely

    • 15
    • 22

    Chance Snow Showers

    • 15
    • 25

    Chance Snow Showers

    • 21
    • 32

    Chance Snow Showers

Today 31 Dec Chautauqua

Lake effect Snow, with Areas of blowing snow this afternoon. Snow may be heavy at Times. Additional accumulation 5 to 9 Inches in the most persistent Snows. Highs Ranging from the mid 20s inland to around 30 along the lake Erie shore. West Winds 10 to 15 Mph with Gusts up to 30 Mph. Chance of snow near 100 percent.

Tonight 31 Dec Chautauqua

Lake effect snow and Areas of blowing snow. Snow may be heavy at Times. Additional accumulation 4 to 6 Inches in the most persistent Snows. Windy with Lows Ranging from 10 to 15 in interior Valleys to 15 to 20 along the lake Erie shore. West Winds 15 to 30 Mph, becoming northwest. Chance of snow near 100 percent.

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Sinclairville Temperature Statistics

December Temperature

Jamestown, Chautauqua County/Jamestown Airport (7.5 miles)

  • Lowest 9 December, 2025

    3 °F

  • Average December

    25.1 °F

  • Highest 29 December, 2025

    52 °F

Climate (2020–Present)

Jamestown, Chautauqua County/Jamestown Airport (7.5 miles)

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  • Average Low 2020–2025

    40.7 °F

  • Average 2020–2025

    48.2 °F

  • Average High 2020–2025

    56 °F
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