Sinsinawa Weather Forecast

    • 32
    • 40

    Increasing Clouds

    • 37
    • 52

    Mostly Cloudy

    • 42
    • 63

    Mostly Cloudy

    • 43
    • 70

    Partly Sunny

    • 26
    • 57

    Partly Sunny

    • 28
    • 44

    Mostly Cloudy

Today 18 Mar Grant

Mostly sunny. Not as cool with Highs in the lower 40s. Southwest Winds 5 to 10 Mph.

Tonight 18 Mar Grant

Mostly cloudy. A slight chance of rain after midnight. Not as cool with Lows in the lower 30s. South Winds around 5 Mph. Chance of rain 20 percent.

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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

    38.1 °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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