Sinsinawa Weather Forecast

    • 64
    • 86

    Becoming Sunny

    • 66
    • 86

    Mostly Sunny

    • 67
    • 87

    Partly Sunny

    • 65
    • 81

    Rain Showers Likely

    • 63
    • 81

    Chance Rain Showers

    • 63
    • 82

    Mostly Sunny

Today 28 Jul Grant

Mostly sunny. Not as warm with Highs in the mid 80s. Northeast Winds around 5 Mph.

Tonight 28 Jul Grant

Mostly clear. Lows in the mid 60s. Northeast Winds around 5 Mph, becoming southeast after midnight.

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Sinsinawa Temperature Statistics

July Temperature

Dubuque Regional Airport (11.8 miles)

  • Lowest 23 July, 2026

    52 °F

  • Average July

    75.3 °F

  • Highest 14 July, 2026

    91 °F

Climate (2021–2026)

Dubuque Regional Airport (11.8 miles)

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  • Average Low 2021–2026

    40.6 °F

  • Average 2021–2026

    50.1 °F

  • Average High 2021–2026

    59.5 °F
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