Walnut Weather Forecast

    • 47
    • 54

    Slight Chance Rain Showers

    • 42
    • 60

    Chance Rain Showers

    • 46
    • 67

    Partly Sunny

    • 48
    • 68

    Chance Rain Showers

    • 47
    • 66

    Chance Rain Showers

    • 48
    • 67

    Chance Rain Showers

    • 49
    • 67

    Slight Chance Thunderstorms

Today 21 May Bureau

Cloudy, cooler. Near steady temperature in the lower 50s. Northwest Winds around 15 Mph with Gusts up to 25 Mph.

Tonight 21 May Bureau

Mostly cloudy. A slight chance of Showers. Lows in the upper 40s. Northwest Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Walnut Temperature Statistics

May Temperature

Sterling Rockfalls (13 miles)

  • Lowest 9 May, 2025

    36 °F

  • Average May

    61.5 °F

  • Highest 15 May, 2025

    93.9 °F

Climate (2020–Present)

Sterling Rockfalls (13 miles)

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  • Average Low 2020–2025

    42.6 °F

  • Average 2020–2025

    52.6 °F

  • Average High 2020–2025

    62.6 °F
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