Sinsinawa Weather Forecast

    • 52
    • 72

    Mostly Sunny

    • 61
    • 72

    Rain Showers Likely

    • 62
    • 71

    Rain Showers

    • 51
    • 68

    Chance Rain Showers

    • 48
    • 64

    Partly Sunny

    • 51
    • 64

    Partly Sunny

Today 28 Sep Grant

Mostly sunny. Highs in the lower 70s. Light and variable Winds.

Tonight 28 Sep Grant

Partly cloudy. Lows in the lower 50s. Light Winds.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Sinsinawa Temperature Statistics

September Temperature

Dubuque Regional Airport (11.8 miles)

  • Lowest 23 September, 2026

    47.6 °F

  • Average September

    67.8 °F

  • Highest 1 September, 2026

    91.7 °F

Climate (2021–2026)

Dubuque Regional Airport (11.8 miles)

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  • Average Low 2021–2026

    40.7 °F

  • Average 2021–2026

    50.1 °F

  • Average High 2021–2026

    59.4 °F
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