Onawa Weather Forecast

    • 68
    • 90

    Mostly Cloudy

    • 68
    • 86

    Mostly Cloudy

    • 68
    • 88

    Chance Rain Showers

    • 65
    • 85

    Rain Showers Likely

    • 61
    • 74

    Chance Thunderstorms

    • 61
    • 72

    Chance Thunderstorms

Today 9 Aug Monona

Partly sunny. Highs in the upper 80s. Northeast Winds around 5 Mph.

Tonight 9 Aug Monona

Mostly cloudy. Humid with Lows in the upper 60s. Northeast Winds 5 to 10 Mph.

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  • Temperature Real-Time

Onawa Temperature Statistics

August Temperature

Tekamah, Tekamah Municipal Airport (18 miles)

  • Lowest 6 August, 2026

    55.7 °F

  • Average August

    70.1 °F

  • Highest 3 August, 2026

    88.6 °F

Climate (2021–2026)

Tekamah, Tekamah Municipal Airport (18 miles)

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  • Average Low 2021–2026

    40.1 °F

  • Average 2021–2026

    52.6 °F

  • Average High 2021–2026

    65.3 °F
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