Walnut Weather Forecast

    • 63
    • 82

    Slight Chance Thunderstorms

    • 72
    • 87

    Rain Showers Likely

    • 69
    • 87

    Rain Showers Likely

    • 66
    • 83

    Rain Showers Likely

    • 62
    • 80

    Chance Thunderstorms

    • 59
    • 77

    Mostly Cloudy

Today 8 Aug Bureau

Sunny with Highs in the lower 80s. Northwest Winds 5 to 10 Mph.

Tonight 8 Aug Bureau

Mostly clear. Lows in the lower 60s. Southwest Winds around 5 Mph, becoming southeast after midnight.

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Walnut Temperature Statistics

August Temperature

Sterling Rockfalls (13 miles)

  • Lowest 3 August, 2026

    59 °F

  • Average August

    71.3 °F

  • Highest 4 August, 2026

    84.9 °F

Climate (2021–2026)

Sterling Rockfalls (13 miles)

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  • Average Low 2021–2026

    42 °F

  • Average 2021–2026

    52.1 °F

  • Average High 2021–2026

    62.2 °F
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