Walnut Weather Forecast

    • 27
    • 36

    Increasing Clouds

    • 34
    • 49

    Partly Sunny

    • 27
    • 55

    Mostly Cloudy

    • 19
    • 34

    Partly Sunny

    • 27
    • 40

    Mostly Cloudy

    • 13
    • 36

    Mostly Cloudy

Today 11 Jan Pottawattamie

Sunny. Highs in the upper 30s. West Winds 5 to 10 Mph, becoming southwest 10 to 15 Mph this afternoon.

Tonight 11 Jan Pottawattamie

Clear in the Evening, then becoming partly cloudy. Not as cool with Lows in the upper 20s. Southwest Winds 10 to 15 Mph.

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  • Temperature Real-Time

Walnut Temperature Statistics

January Temperature

Harlan, Harlan Municipal Airport (9.3 miles)

  • Lowest 1 January, 2026

    17.6 °F

  • Average January

    32.1 °F

  • Highest 7 January, 2026

    59 °F

Climate (2021–Present)

Harlan, Harlan Municipal Airport (9.3 miles)

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  • Average Low 2021–2026

    38.9 °F

  • Average 2021–2026

    50.4 °F

  • Average High 2021–2026

    61.5 °F
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