Sig Field Weather Forecast

    • 69
    • 91

    Chance Thunderstorms

    • 68
    • 88

    Rain Showers

    • 65
    • 82

    Rain Showers

    • 66
    • 80

    Rain Showers Likely

    • 67
    • 86

    Chance Thunderstorms

    • 63
    • 82

    Partly Sunny

Today 11 Aug Poweshiek

Mostly cloudy with a chance of Showers and Thunderstorms this Morning, then mostly sunny this afternoon. Highs around 90. Southwest Winds 5 to 10 Mph. Chance of rain 40 percent.

Tonight 11 Aug Poweshiek

Partly cloudy in the Evening, then mostly cloudy with a slight chance of Showers and Thunderstorms after midnight. Humid with Lows in the upper 60s. East Winds around 5 Mph. Chance of rain 20 percent.

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Sig Field Temperature Statistics

August Temperature

Oskaloosa, Oskaloosa Municipal Airport (22.4 miles)

  • Lowest 3 August, 2026

    61.7 °F

  • Average August

    74.4 °F

  • Highest 9 August, 2026

    88.7 °F

Climate (2021–2026)

Oskaloosa, Oskaloosa Municipal Airport (22.4 miles)

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  • Average Low 2021–2026

    43.8 °F

  • Average 2021–2026

    54.3 °F

  • Average High 2021–2026

    65.2 °F
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