Sinsinawa Weather Forecast

    • 47
    • 64

    Rain Showers

    • 34
    • 50

    Mostly Cloudy

    • 45
    • 60

    Mostly Sunny

    • 40
    • 66

    Mostly Sunny

    • 32
    • 56

    Rain Showers Likely

    • 27
    • 45

    Partly Sunny

    • 37
    • 50

    Partly Sunny

Today 6 Mar Grant

Showers and scattered Thunderstorms. Warmer with Highs in the lower 60s. South Winds 10 to 15 Mph. Chance of rain 100 percent.

Tonight 6 Mar Grant

Showers with Thunderstorms likely this Evening, then Showers with a chance of Thunderstorms after midnight. Patchy fog. Locally heavy rainfall possible this evening. Lows in the lower 40s. South Winds 10 to 15 Mph, becoming southwest after midnight. Chance of rain 100 percent.

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Sinsinawa Temperature Statistics

March Temperature

Dubuque Regional Airport (11.8 miles)

  • Lowest 1 March, 2026

    16 °F

  • Average March

    33 °F

  • Highest 4 March, 2026

    44.1 °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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