Onawa Municipal Airport Weather Forecast

    • 60
    • 75

    Chance Thunderstorms

    • 57
    • 76

    Chance Thunderstorms

    • 57
    • 75

    Slight Chance Thunderstorms

    • 59
    • 79

    Chance Rain Showers

    • 60
    • 80

    Chance Rain Showers

    • 55
    • 82

    Slight Chance Thunderstorms

    • 53
    • 77

    Mostly Sunny

Today 17 Sep Monona

Mostly cloudy with a chance of Showers and Thunderstorms. Not as warm. Near steady temperature in the lower 70s. Temperature falling into the upper 60s late. Southeast Winds around 5 Mph. Chance of rain 50 percent.

Tonight 17 Sep Monona

Mostly cloudy. Showers likely with a chance of Thunderstorms this Evening, then a chance of Showers with a slight chance of Thunderstorms after midnight. Patchy fog after midnight. Lows around 60. South Winds around 5 Mph. Chance of rain 60 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Onawa Municipal Airport Temperature Statistics

September Temperature

Tekamah, Tekamah Municipal Airport (16.8 miles)

  • Lowest 7 September, 2025

    42.1 °F

  • Average September

    66.3 °F

  • Highest 13 September, 2025

    96.1 °F

Climate (2020–Present)

Tekamah, Tekamah Municipal Airport (16.8 miles)

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  • Average Low 2020–2025

    39.9 °F

  • Average 2020–2025

    52.1 °F

  • Average High 2020–2025

    64.6 °F
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