Waterloo Weather Forecast

    • 32
    • 53

    Increasing Clouds

    • 39
    • 55

    Mostly Cloudy

    • 42
    • 61

    Partly Sunny

    • 41
    • 59

    Mostly Cloudy

    • 41
    • 57

    Chance Rain Showers

    • 37
    • 56

    Slight Chance Rain Showers

Today 24 Oct Jefferson

Sunny. Widespread frost in the morning. Highs in the lower 50s. Northwest Winds up to 5 Mph.

Tonight 24 Oct Jefferson

Clear. Widespread frost. Lows in the upper 20s. Northwest Winds up to 5 Mph.

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Waterloo Temperature Statistics

October Temperature

Watertown (13 miles)

  • Lowest 20 October, 2025

    32.7 °F

  • Average October

    57.9 °F

  • Highest 3 October, 2025

    86.4 °F

Climate (2020–Present)

Watertown (13 miles)

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  • Average Low 2020–2025

    35.9 °F

  • Average 2020–2025

    45.6 °F

  • Average High 2020–2025

    54.6 °F
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