Cayuga Lake Weather Forecast

    • 66
    • 75

    Chance Rain Showers

    • 63
    • 74

    Rain Showers Likely

    • 54
    • 69

    Partly Sunny

    • 61
    • 66

    Rain Showers

    • 60
    • 69

    Rain Showers Likely

    • 59
    • 69

    Chance Rain Showers

Today 16 Sep Seneca

Partly sunny. A chance of Showers with a slight chance of Thunderstorms in the morning. More humid with Highs in the upper 70s. South Winds 5 to 10 Mph, becoming northwest in the afternoon. Chance of rain 50 percent.

Tonight 16 Sep Seneca

Mostly cloudy. Patchy fog. A chance of Showers after midnight. Lows in the lower 60s. North Winds around 5 Mph in the Evening, becoming light and variable. Chance of rain 40 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Cayuga Lake Temperature Statistics

September Temperature

Penn Yan, Penn Yan Airport (17.4 miles)

  • Lowest 6 September, 2026

    51.1 °F

  • Average September

    68.2 °F

  • Highest 1 September, 2026

    82.9 °F

Climate (2021–2026)

Penn Yan, Penn Yan Airport (17.4 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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