Sampson State Park Weather Forecast

    • 56
    • 76

    Partly Sunny

    • 60
    • 81

    Increasing Clouds

    • 44
    • 68

    Partly Sunny

    • 52
    • 70

    Mostly Sunny

    • 61
    • 78

    Partly Sunny

    • 63
    • 82

    Mostly Cloudy

    • 63
    • 82

    Chance Rain Showers

Today 17 Sep Seneca

Partly sunny. Highs in the upper 70s. Southeast Winds around 5 Mph.

Tonight 17 Sep Seneca

Mostly clear. Lows in the mid 50s. South Winds around 5 Mph.

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Sampson State Park Temperature Statistics

September Temperature

Penn Yan, Penn Yan Airport (9.3 miles)

  • Lowest 8 September, 2025

    45 °F

  • Average September

    62.2 °F

  • Highest 3 September, 2025

    81 °F

Climate (2020–Present)

Penn Yan, Penn Yan Airport (9.3 miles)

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  • Average Low 2020–2025

    42.1 °F

  • Average 2020–2025

    50.6 °F

  • Average High 2020–2025

    59.3 °F
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