Sig Field Weather Forecast

    • 56
    • 67

    Rain Showers Likely

    • 51
    • 61

    Rain Showers Likely

    • 47
    • 59

    Partly Sunny

    • 51
    • 63

    Partly Sunny

    • 55
    • 66

    Mostly Cloudy

    • 57
    • 69

    Partly Sunny

Today 20 Sep Poweshiek

A slight chance of Showers and Thunderstorms in the morning. Cloudy with a chance of drizzle. Cooler. Near steady temperature in the mid 60s. Northeast Winds 10 to 15 Mph. Chance of rain 20 percent.

Tonight 20 Sep Poweshiek

Cloudy. A chance of drizzle in the Evening, then a chance of Showers with a slight chance of drizzle after midnight. Lows in the mid 50s. Northeast Winds around 10 Mph with Gusts up to 20 Mph. Chance of rain 50 percent.

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Sig Field Temperature Statistics

September Temperature

Oskaloosa, Oskaloosa Municipal Airport (22.4 miles)

  • Lowest 13 September, 2026

    55 °F

  • Average September

    75.4 °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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