Waterloo Weather Forecast

    • 45
    • 65

    Mostly Cloudy

    • 47
    • 59

    Rain Showers

    • 32
    • 64

    Rain Showers

    • 32
    • 45

    Mostly Sunny

    • 36
    • 61

    Mostly Sunny

    • 42
    • 65

    Mostly Cloudy

Today 14 Oct Seneca

Mostly cloudy. A slight chance of Showers this morning. Highs in the mid 60s. Northwest Winds 5 to 10 Mph. Chance of rain 20 percent.

Tonight 14 Oct Seneca

Mostly cloudy. Lows in the mid 40s. Northwest Winds 5 to 10 Mph with Gusts up to 20 Mph.

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Waterloo Temperature Statistics

October Temperature

Penn Yan, Penn Yan Airport (19.9 miles)

  • Lowest 6 October, 2026

    39.9 °F

  • Average October

    55.7 °F

  • Highest 1 October, 2026

    71.1 °F

Climate (2021–2026)

Penn Yan, Penn Yan Airport (19.9 miles)

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  • Average Low 2021–2026

    41.6 °F

  • Average 2021–2026

    50.2 °F

  • Average High 2021–2026

    58.9 °F
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