Sigourney Weather Forecast

    • 68
    • 83

    Partly Sunny

    • 62
    • 84

    Mostly Sunny

    • 60
    • 83

    Sunny

    • 65
    • 84

    Partly Sunny

    • 70
    • 85

    Chance Rain Showers

    • 72
    • 89

    Chance Thunderstorms

Today 25 Aug Keokuk

Mostly sunny. Near steady temperature in the lower 80s. South Winds 5 to 10 Mph.

Tonight 25 Aug Keokuk

Partly cloudy. Humid with Lows in the upper 60s. South Winds around 5 Mph.

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Sigourney Temperature Statistics

August Temperature

Oskaloosa, Oskaloosa Municipal Airport (16.2 miles)

  • Lowest 23 August, 2026

    56.3 °F

  • Average August

    75.3 °F

  • Highest 11 August, 2026

    91.9 °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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