Sinsinawa Weather Forecast

    • 32
    • 40

    Increasing Clouds

    • 38
    • 51

    Mostly Cloudy

    • 40
    • 65

    Mostly Cloudy

    • 44
    • 69

    Partly Sunny

    • 27
    • 57

    Partly Sunny

    • 29
    • 44

    Mostly Cloudy

Today 18 Mar Grant

Mostly cloudy in the Morning, then becoming partly sunny. Not as cool with Highs in the lower 40s. Southwest Winds 5 to 10 Mph.

Tonight 18 Mar Grant

Mostly cloudy. Not as cool with Lows in the lower 30s. South Winds around 5 Mph.

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Sinsinawa Temperature Statistics

March Temperature

Dubuque Regional Airport (11.8 miles)

  • Lowest 1 March, 2026

    16 °F

  • Average March

    39.4 °F

  • Highest 9 March, 2026

    69.1 °F

Climate (2021–Present)

Dubuque Regional Airport (11.8 miles)

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  • Average Low 2021–2026

    40.6 °F

  • Average 2021–2026

    50 °F

  • Average High 2021–2026

    59.3 °F
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