West Branch Keuka Lake Weather Forecast

    • 51
    • 73

    Chance Rain Showers

    • 48
    • 70

    Slight Chance Rain Showers

    • 50
    • 69

    Partly Sunny

    • 51
    • 71

    Chance Rain Showers

    • 47
    • 66

    Chance Rain Showers

    • 50
    • 70

    Mostly Sunny

Today 25 Aug Yates

Partly sunny. A slight chance of Showers this Morning, then a chance of Showers this afternoon. Highs in the lower 70s. West Winds 5 to 10 Mph. Chance of rain 50 percent.

Tonight 25 Aug Yates

Mostly clear. A chance of Showers in the evening. Lows in the lower 50s. West Winds 5 to 10 Mph. Chance of rain 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

West Branch Keuka Lake Temperature Statistics

August Temperature

Penn Yan, Penn Yan Airport (8.1 miles)

  • Lowest 1 August, 2025

    49.6 °F

  • Average August

    71.1 °F

  • Highest 12 August, 2025

    94.6 °F

Climate (2020–Present)

Penn Yan, Penn Yan Airport (8.1 miles)

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  • Average Low 2020–2025

    42.1 °F

  • Average 2020–2025

    50.7 °F

  • Average High 2020–2025

    59.3 °F
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