Mifflin Weather Forecast

    • 61
    • 84

    Mostly Cloudy

    • 60
    • 78

    Chance Thunderstorms

    • 60
    • 76

    Chance Rain Showers

    • 60
    • 78

    Chance Thunderstorms

    • 57
    • 78

    Chance Rain Showers

    • 54
    • 75

    Slight Chance Rain Showers

Today 18 Sep Iowa

Partly sunny. A 20 percent chance of light Showers in the morning. Highs in the mid 80s. Southeast Winds up to 5 Mph.

Tonight 18 Sep Iowa

Partly cloudy. Patchy fog early in the morning. Lows in the lower 60s. Southeast Winds up to 5 Mph.

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Mifflin Temperature Statistics

September Temperature

Iowa County Airport (6.2 miles)

  • Lowest 1 September, 2025

    51.8 °F
  • Average September

    60.8 °F
  • Highest 1 September, 2025

    71.6 °F

Climate (2020–Present)

Iowa County Airport (6.2 miles)

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  • Average Low 2020–2025

    41.6 °F
  • Average 2020–2025

    50.1 °F
  • Average High 2020–2025

    58.7 °F
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