Augusta Weather Forecast

    • 69
    • 84

    Thunderstorms Likely

    • 72
    • 86

    Chance Thunderstorms

    • 71
    • 89

    Chance Thunderstorms

    • 66
    • 85

    Chance Thunderstorms

    • 64
    • 80

    Partly Sunny

    • 66
    • 82

    Slight Chance Thunderstorms

Today 13 Aug Des Moines

Occasional Showers and Thunderstorms late this Morning, then partly sunny with a chance of Showers and Thunderstorms this afternoon. Highs in the lower 80s. East Winds around 10 Mph. Chance of rain 90 percent.

Tonight 13 Aug Des Moines

Mostly cloudy. A chance of Showers and Thunderstorms in the Evening, then occasional Showers and Thunderstorms after midnight. Humid with Lows in the upper 60s. East Winds around 10 Mph with Gusts up to 20 Mph. Chance of rain 90 percent.

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Augusta Temperature Statistics

August Temperature

Fort Madison Municipal Airport (6.8 miles)

  • Lowest 3 August, 2026

    60.8 °F

  • Average August

    74.8 °F

  • Highest 11 August, 2026

    89.6 °F

Climate (2021–2026)

Fort Madison Municipal Airport (6.8 miles)

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  • Average Low 2021–2026

    45.4 °F

  • Average 2021–2026

    54.9 °F

  • Average High 2021–2026

    64.7 °F
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