Castana Weather Forecast

    • 75
    • 93

    Slight Chance Thunderstorms

    • 69
    • 94

    Chance Thunderstorms

    • 67
    • 85

    Chance Thunderstorms

    • 68
    • 87

    Slight Chance Thunderstorms

    • 71
    • 91

    Mostly Sunny

    • 72
    • 92

    Slight Chance Thunderstorms

Today 22 Jul Monona

Mostly sunny. A slight chance of Showers and Thunderstorms in the morning. Humid with Highs in the lower 90s. Southeast Winds 10 to 15 Mph. Gusts up to 30 Mph in the afternoon. Chance of rain 20 percent. Heat index Values up to 106 in the afternoon.

Tonight 22 Jul Monona

Mostly clear. Humid with Lows in the mid 70s. South Winds 10 to 15 Mph with Gusts up to 30 Mph.

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Castana Temperature Statistics

July Temperature

Tekamah, Tekamah Municipal Airport (24.9 miles)

  • Lowest 13 July, 2025

    57.7 °F

  • Average July

    75.5 °F

  • Highest 3 July, 2025

    90.6 °F

Climate (2020–Present)

Tekamah, Tekamah Municipal Airport (24.9 miles)

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  • Average Low 2020–2025

    39.8 °F

  • Average 2020–2025

    52 °F

  • Average High 2020–2025

    64.6 °F
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