Sinclairville Weather Forecast

    • 42
    • 55

    Chance Rain Showers

    • 37
    • 57

    Mostly Sunny

    • 46
    • 61

    Rain Showers

    • 46
    • 56

    Rain Showers

    • 45
    • 54

    Rain Showers Likely

    • 43
    • 55

    Rain Showers Likely

Today 18 May Chautauqua

Cloudy with a 50 percent chance of Showers. Cool with Highs in the mid 50s. West Winds 10 to 20 Mph with Gusts up to 30 Mph.

Tonight 18 May Chautauqua

Mostly cloudy. Lows Ranging from the lower 40s in interior Valleys to the mid 40s along the lake Erie shore. West Winds 10 to 15 Mph, becoming light.

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  • Temperature Real-Time

Sinclairville Temperature Statistics

May Temperature

Jamestown, Chautauqua County/Jamestown Airport (7.5 miles)

  • Lowest 10 May, 2025

    34 °F

  • Average May

    57.2 °F

  • Highest 12 May, 2025

    79 °F

Climate (2020–Present)

Jamestown, Chautauqua County/Jamestown Airport (7.5 miles)

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  • Average Low 2020–2025

    40.8 °F

  • Average 2020–2025

    48.3 °F

  • Average High 2020–2025

    56.1 °F
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