Onawa Weather Forecast

    • 29
    • 38

    Increasing Clouds

    • 19
    • 42

    Mostly Sunny

    • 30
    • 40

    Mostly Cloudy

    • 32
    • 51

    Partly Sunny

    • 32
    • 49

    Mostly Cloudy

    • 36
    • 53

    Mostly Cloudy

Today 19 Dec Monona

Sunny. Highs in the upper 30s. South Winds 15 to 20 Mph with Gusts up to 30 Mph.

Tonight 19 Dec Monona

Partly cloudy in the Evening, then becoming mostly cloudy. Not as cool with Lows in the upper 20s. South Winds 10 to 15 Mph, becoming west after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Onawa Temperature Statistics

December Temperature

Tekamah, Tekamah Municipal Airport (18 miles)

  • Lowest 4 December, 2025

    -6 °F

  • Average December

    23.8 °F

  • Highest 17 December, 2025

    51.1 °F

Climate (2020–Present)

Tekamah, Tekamah Municipal Airport (18 miles)

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  • Average Low 2020–2025

    40.1 °F

  • Average 2020–2025

    52.3 °F

  • Average High 2020–2025

    64.7 °F
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