Sinsinawa Weather Forecast

    • 46
    • 80

    Increasing Clouds

    • 27
    • 51

    Mostly Cloudy

    • 35
    • 49

    Partly Sunny

    • 38
    • 57

    Mostly Cloudy

    • 44
    • 55

    Mostly Cloudy

    • 29
    • 59

    Slight Chance Rain Showers

Today 21 Mar Grant

Mostly sunny. Warmer with Highs in the upper 70s. Southwest Winds 10 to 20 Mph. Gusts up to 30 Mph this afternoon.

Tonight 21 Mar Grant

Partly cloudy. Lows in the lower 40s. Southwest Winds 5 to 10 Mph, becoming north 10 to 15 Mph with Gusts up to 30 Mph after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Sinsinawa Temperature Statistics

March Temperature

Dubuque Regional Airport (11.8 miles)

  • Lowest 16 March, 2026

    10.9 °F

  • Average March

    38.2 °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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