Sinsinawa Weather Forecast

    • 50
    • 71

    Becoming Sunny

    • 30
    • 67

    Chance Rain Showers

    • 23
    • 45

    Mostly Sunny

    • 38
    • 51

    Partly Sunny

    • 46
    • 61

    Partly Sunny

    • 47
    • 69

    Chance Rain Showers

    • 53
    • 68

    Chance Thunderstorms

Today 25 Mar Grant

Mostly sunny. Much warmer with Highs around 70. Southwest Winds 10 to 15 Mph.

Tonight 25 Mar Grant

Partly cloudy. Warmer with Lows in the upper 40s. Southwest Winds 5 to 10 Mph, becoming south after midnight.

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Sinsinawa Temperature Statistics

March Temperature

Dubuque Regional Airport (11.8 miles)

  • Lowest 16 March, 2026

    10.9 °F

  • Average March

    40.5 °F

  • Highest 21 March, 2026

    81 °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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