Walnut Weather Forecast

    • 63
    • 80

    Increasing Clouds

    • 53
    • 83

    Mostly Sunny

    • 50
    • 74

    Mostly Sunny

    • 49
    • 71

    Mostly Sunny

    • 47
    • 73

    Mostly Sunny

    • 53
    • 76

    Mostly Sunny

Today 22 Aug Bureau

Patchy fog early this morning. Partly cloudy. Highs around 80. East Winds around 5 Mph, becoming southwest this afternoon.

Tonight 22 Aug Bureau

Partly cloudy in the Evening, then mostly cloudy with a slight chance of Showers after midnight. Lows in the lower 60s. West Winds around 5 Mph. Chance of rain 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Walnut Temperature Statistics

August Temperature

Sterling Rockfalls (13 miles)

  • Lowest 3 August, 2025

    54 °F

  • Average August

    74.4 °F

  • Highest 16 August, 2025

    93 °F

Climate (2020–Present)

Sterling Rockfalls (13 miles)

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  • Average Low 2020–2025

    41.7 °F

  • Average 2020–2025

    51.7 °F

  • Average High 2020–2025

    61.6 °F
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