Sampson State Park Weather Forecast

    • 56
    • 66

    Mostly Cloudy

    • 53
    • 68

    Partly Sunny

    • 61
    • 75

    Mostly Cloudy

    • 60
    • 79

    Chance Rain Showers

    • 48
    • 69

    Chance Rain Showers

    • 49
    • 66

    Partly Sunny

Today 28 Sep Seneca

Mostly cloudy. Highs in the upper 60s. North Winds 5 to 10 Mph.

Tonight 28 Sep Seneca

Cloudy. Patchy fog in the evening. Areas of fog after midnight. Lows in the mid 50s. Northwest Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Sampson State Park Temperature Statistics

September Temperature

Penn Yan, Penn Yan Airport (9.3 miles)

  • Lowest 24 September, 2026

    37.9 °F

  • Average September

    63.6 °F

  • Highest 1 September, 2026

    82.9 °F

Climate (2021–2026)

Penn Yan, Penn Yan Airport (9.3 miles)

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  • Average Low 2021–2026

    41.7 °F

  • Average 2021–2026

    50.3 °F

  • Average High 2021–2026

    59 °F
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