Walnut Weather Forecast

    • 55
    • 79

    Mostly Sunny

    • 59
    • 77

    Partly Sunny

    • 54
    • 77

    Mostly Cloudy

    • 51
    • 72

    Chance Rain Showers

    • 44
    • 62

    Chance Rain Showers

    • 42
    • 56

    Slight Chance Rain Showers

Today 22 Oct Pottawattamie

Sunny. Highs in the upper 70s. South Winds 5 to 10 Mph.

Tonight 22 Oct Pottawattamie

Mostly clear. Lows in the mid 50s. Southeast Winds 5 to 10 Mph.

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Walnut Temperature Statistics

October Temperature

Harlan, Harlan Municipal Airport (9.3 miles)

  • Lowest 17 October, 2026

    28.4 °F

  • Average October

    58.1 °F

  • Highest 9 October, 2026

    87.8 °F

Climate (2021–2026)

Harlan, Harlan Municipal Airport (9.3 miles)

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  • Average Low 2021–2026

    39.2 °F

  • Average 2021–2026

    50.6 °F

  • Average High 2021–2026

    61.8 °F
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