Waterloo Weather Forecast

    • 23
    • 45

    Decreasing Clouds

    • 30
    • 49

    Partly Sunny

    • 31
    • 52

    Mostly Sunny

    • 42
    • 53

    Rain Showers

    • 27
    • 53

    Chance Rain Showers

    • 20
    • 38

    Mostly Cloudy

    • 16
    • 35

    Partly Sunny

Today 21 Nov Jefferson

Partly sunny. Northwest Winds around 5 Mph.

Tonight 21 Nov Jefferson

Partly cloudy through around midnight then clearing. Lows in the mid 20s. Northwest Winds up to 5 Mph through around midnight becoming calm.

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Waterloo Temperature Statistics

November Temperature

Watertown (13 miles)

  • Lowest 10 November, 2025

    19.6 °F

  • Average November

    41.4 °F

  • Highest 15 November, 2025

    66.7 °F

Climate (2020–Present)

Watertown (13 miles)

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  • Average Low 2020–2025

    35.8 °F

  • Average 2020–2025

    45.6 °F

  • Average High 2020–2025

    54.6 °F
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