Castana Weather Forecast

    • 61
    • 77

    Rain Showers Likely

    • 59
    • 76

    Chance Thunderstorms

    • 62
    • 78

    Slight Chance Thunderstorms

    • 60
    • 81

    Slight Chance Thunderstorms

    • 58
    • 76

    Partly Sunny

    • 60
    • 76

    Mostly Cloudy

Today 18 Aug Monona

Mostly cloudy with Showers likely with a chance of Thunderstorms in the Morning, then partly sunny with a slight chance of Showers and Thunderstorms in the afternoon. Humid with Highs in the upper 70s. West Winds around 5 Mph. Chance of rain 70 percent.

Tonight 18 Aug Monona

Cloudy with a chance of Showers and Thunderstorms. Near steady temperature in the upper 60s. Southwest Winds 5 to 10 Mph. Chance of rain 50 percent.

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  • Temperature Real-Time

Castana Temperature Statistics

August Temperature

Tekamah, Tekamah Municipal Airport (24.9 miles)

  • Lowest 8 August, 2026

    54.6 °F

  • Average August

    74 °F

  • Highest 11 August, 2026

    93.7 °F

Climate (2021–2026)

Tekamah, Tekamah Municipal Airport (24.9 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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