Sig Field Weather Forecast

    • 63
    • 75

    Rain Showers

    • 62
    • 71

    Rain Showers

    • 54
    • 67

    Rain Showers

    • 47
    • 63

    Partly Sunny

    • 50
    • 64

    Partly Sunny

    • 46
    • 64

    Mostly Sunny

Today 29 Sep Poweshiek

Mostly sunny this Morning, then mostly cloudy with a slight chance of Showers this afternoon. Highs in the mid 70s. South Winds 5 to 10 Mph. Chance of rain 20 percent.

Tonight 29 Sep Poweshiek

Cloudy. A chance of Showers in the Evening, then Showers with a slight chance of Thunderstorms after midnight. Some Thunderstorms may produce heavy rainfall after midnight. Lows in the lower 60s. South Winds 5 to 10 Mph. Chance of rain 90 percent.

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Sig Field Temperature Statistics

September Temperature

Oskaloosa, Oskaloosa Municipal Airport (22.4 miles)

  • Lowest 23 September, 2026

    52.3 °F

  • Average September

    71.9 °F

  • Highest 3 September, 2026

    96.8 °F

Climate (2021–2026)

Oskaloosa, Oskaloosa Municipal Airport (22.4 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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