Waterloo Weather Forecast

    • 33
    • 46

    Mostly Cloudy

    • 24
    • 49

    Partly Sunny

    • 34
    • 49

    Partly Sunny

    • 29
    • 55

    Mostly Sunny

    • 38
    • 54

    Mostly Cloudy

    • 30
    • 51

    Chance Rain

Today 20 Nov Jefferson

Cloudy. Slight chance of drizzle through the day. Highs in the upper 40s. Southwest Winds 5 to 10 Mph.

Tonight 20 Nov Jefferson

Mostly cloudy. Slight chance of drizzle late in the evening. Lows in the lower 30s. West Winds up to 5 Mph.

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Waterloo Temperature Statistics

November Temperature

Watertown (13 miles)

  • Lowest 10 November, 2025

    19.6 °F

  • Average November

    42.1 °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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