Sinclairville Weather Forecast

    • 37
    • 53

    Chance Rain Showers

    • 42
    • 55

    Chance Rain Showers

    • 45
    • 64

    Chance Rain Showers

    • 38
    • 56

    Chance Rain Showers

    • 36
    • 53

    Mostly Sunny

    • 40
    • 55

    Chance Rain Showers

    • 43
    • 59

    Chance Rain Showers

Today 7 May Chautauqua

Mostly sunny and cool with Highs in the lower 50s. West Winds 10 to 15 Mph.

Tonight 7 May Chautauqua

Partly cloudy through the early Overnight, then mostly cloudy with a chance of rain Showers late. Areas of frost developing from late evening on. Lows Ranging from the mid 30s in interior Valleys to the lower 40s along the lake Erie shore. West Winds 5 to 10 Mph, becoming light. Chance of rain 40 percent.

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Sinclairville Temperature Statistics

May Temperature

Jamestown, Chautauqua County/Jamestown Airport (7.5 miles)

  • Lowest 1 May, 2026

    32 °F

  • Average May

    47.5 °F

  • Highest 4 May, 2026

    69.1 °F

Climate (2021–Present)

Jamestown, Chautauqua County/Jamestown Airport (7.5 miles)

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  • Average Low 2021–2026

    40.4 °F

  • Average 2021–2026

    48 °F

  • Average High 2021–2026

    55.9 °F
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