Sigourney Iowa Airport Weather Forecast

    • 58
    • 69

    Chance Rain Showers

    • 53
    • 62

    Chance Rain Showers

    • 47
    • 61

    Partly Sunny

    • 49
    • 64

    Partly Sunny

    • 52
    • 65

    Mostly Cloudy

    • 53
    • 68

    Mostly Cloudy

Today 20 Sep Keokuk

Mostly cloudy with a 50 percent chance of Showers. Not as warm. Near steady temperature in the upper 60s. Northeast Winds 10 to 15 Mph.

Tonight 20 Sep Keokuk

Cloudy with a 50 percent chance of Showers. Lows in the upper 50s. Northeast Winds 10 to 15 Mph with Gusts up to 25 Mph.

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Sigourney Iowa Airport Temperature Statistics

September Temperature

Oskaloosa, Oskaloosa Municipal Airport (16.2 miles)

  • Lowest 13 September, 2026

    55 °F

  • Average September

    75.2 °F

  • Highest 3 September, 2026

    96.8 °F

Climate (2021–2026)

Oskaloosa, Oskaloosa Municipal Airport (16.2 miles)

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  • Average Low 2021–2026

    43.9 °F

  • Average 2021–2026

    54.3 °F

  • Average High 2021–2026

    65.2 °F
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