Castana Weather Forecast

    • 67
    • 92

    Rain Showers

    • 67
    • 82

    Chance Thunderstorms

    • 67
    • 83

    Chance Thunderstorms

    • 71
    • 88

    Mostly Sunny

    • 72
    • 93

    Mostly Sunny

    • 68
    • 93

    Slight Chance Thunderstorms

Today 23 Jul Monona

Sunny. Highs in the lower 90s. South Winds 10 to 15 Mph with Gusts up to 25 Mph. Heat index Values up to 104 this afternoon.

Tonight 23 Jul Monona

Thunderstorms likely. Showers with Lows in the upper 60s. South Winds 5 to 10 Mph. Chance of rain 80 percent.

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  • Temperature Real-Time

Castana Temperature Statistics

July Temperature

Tekamah, Tekamah Municipal Airport (24.9 miles)

  • Lowest 13 July, 2025

    57.7 °F

  • Average July

    75.8 °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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