Waterloo Weather Forecast

    • 28
    • 41

    Decreasing Clouds

    • 23
    • 57

    Partly Sunny

    • 10
    • 28

    Snow Likely

    • 14
    • 28

    Mostly Cloudy

    • 21
    • 36

    Slight Chance Snow

    • 25
    • 42

    Partly Sunny

Today 26 Feb Jefferson

Not as cold. Partly sunny. Highs in the lower 40s. Southwest Winds up to 10 Mph.

Tonight 26 Feb Jefferson

Not as cold. Partly cloudy. Lows in the upper 20s. Southwest Winds 5 to 10 Mph.

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Waterloo Temperature Statistics

February Temperature

Watertown (13 miles)

  • Lowest 4 February, 2026

    -5.6 °F

  • Average February

    28 °F

  • Highest 16 February, 2026

    60.6 °F

Climate (2021–Present)

Watertown (13 miles)

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  • Average Low 2021–2026

    35.8 °F

  • Average 2021–2026

    45.6 °F

  • Average High 2021–2026

    54.7 °F
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