Walnut Weather Forecast

    • 21
    • 25

    Snow Likely

    • 12
    • 32

    Slight Chance Snow

    • -7
    • 23

    Partly Sunny

    • -8
    • 1

    Cold

    • -2
    • 6

    Cold

    • 0
    • 17

    Partly Sunny

Today 20 Jan Bureau

Mostly sunny. Not as cool with Highs in the mid 20s. Southwest Winds 5 to 10 Mph.

Tonight 20 Jan Bureau

Cloudy with a 50 percent chance of snow. Snow accumulation up to 1 inch possible. Not as cool with Lows in the lower 20s. South Winds around 10 Mph, becoming southwest after midnight. Gusts up to 30 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Walnut Temperature Statistics

January Temperature

Sterling Rockfalls (13 miles)

  • Lowest 18 January, 2026

    3.9 °F

  • Average January

    29.5 °F

  • Highest 8 January, 2026

    60.1 °F

Climate (2021–Present)

Sterling Rockfalls (13 miles)

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  • Average Low 2021–2026

    41.7 °F

  • Average 2021–2026

    51.7 °F

  • Average High 2021–2026

    61.7 °F
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