Sinsinawa Weather Forecast

    • 66
    • 70

    Rain Showers

    • 57
    • 75

    Rain Showers Likely

    • 62
    • 70

    Rain Showers Likely

    • 60
    • 75

    Chance Rain Showers

    • 61
    • 75

    Rain Showers Likely

    • 58
    • 75

    Chance Rain Showers

Today 14 Sep Grant

Widespread dense fog in the morning. Mostly sunny in the Morning, then mostly cloudy with a chance of Showers in the afternoon. Highs in the upper 60s. Southeast Winds 10 to 15 Mph. Gusts up to 30 Mph in the afternoon. Chance of rain 50 percent.

Tonight 14 Sep Grant

Partly cloudy. Lows in the upper 40s. East Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Sinsinawa Temperature Statistics

September Temperature

Dubuque Regional Airport (11.8 miles)

  • Lowest 11 September, 2026

    55.9 °F

  • Average September

    75.6 °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

    59.5 °F
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