Onawa Weather Forecast

    • 40
    • 70

    Increasing Clouds

    • 45
    • 76

    Partly Sunny

    • 41
    • 76

    Chance Rain Showers

    • 41
    • 71

    Mostly Sunny

    • 53
    • 80

    Chance Rain Showers

    • 49
    • 83

    Partly Sunny

Today 7 May Monona

Sunny, warmer with Highs in the upper 60s. Southwest Winds 5 to 10 Mph, becoming northwest in the afternoon.

Tonight 7 May Monona

Partly cloudy. Near steady temperature around 40. South Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Onawa Temperature Statistics

May Temperature

Tekamah, Tekamah Municipal Airport (18 miles)

  • Lowest 2 May, 2026

    27.6 °F

  • Average May

    55.4 °F

  • Highest 4 May, 2026

    79 °F

Climate (2021–Present)

Tekamah, Tekamah Municipal Airport (18 miles)

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  • Average Low 2021–2026

    40.1 °F

  • Average 2021–2026

    52.5 °F

  • Average High 2021–2026

    65.2 °F
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