Onawa Weather Forecast

    • 27
    • 52

    Becoming Sunny

    • 34
    • 54

    Slight Chance Rain

    • 45
    • 66

    Mostly Cloudy

    • 48
    • 76

    Partly Sunny

    • 27
    • 64

    Mostly Cloudy

    • 27
    • 51

    Partly Sunny

Today 22 Mar Monona

Sunny. Much cooler with Highs in the lower 50s. North Winds 15 to 20 Mph with Gusts up to 35 Mph.

Tonight 22 Mar Monona

Mostly clear. Cooler with Lows in the upper 20s. North Winds 15 to 20 Mph, becoming northeast around 5 Mph after midnight.

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  • Temperature Real-Time

Onawa Temperature Statistics

March Temperature

Tekamah, Tekamah Municipal Airport (18 miles)

  • Lowest 16 March, 2026

    6.7 °F
  • Average March

    42.2 °F
  • Highest 20 March, 2026

    84.9 °F

Climate (2021–Present)

Tekamah, Tekamah Municipal Airport (18 miles)

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  • Average Low 2021–2026

    40.2 °F
  • Average 2021–2026

    52.5 °F
  • Average High 2021–2026

    65.1 °F
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