Walnut Weather Forecast

    • 58
    • 78

    Rain Showers Likely

    • 58
    • 79

    Mostly Sunny

    • 56
    • 72

    Rain Showers

    • 52
    • 74

    Partly Sunny

    • 57
    • 77

    Chance Rain Showers

    • 56
    • 77

    Chance Thunderstorms

    • 56
    • 77

    Slight Chance Thunderstorms

Today 19 Jun Bureau

Sunny. Near steady temperature in the mid 70s. West Winds 5 to 10 Mph.

Tonight 19 Jun Bureau

Mostly cloudy this Evening, then becoming partly cloudy. A chance of Thunderstorms this evening. A chance of Showers. Lows in the upper 50s. West Winds 5 to 10 Mph. Chance of rain 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Walnut Temperature Statistics

June Temperature

Sterling Rockfalls (13 miles)

  • Lowest 15 June, 2026

    51.1 °F

  • Average June

    71.3 °F

  • Highest 6 June, 2026

    90 °F

Climate (2021–2026)

Sterling Rockfalls (13 miles)

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  • Average Low 2021–2026

    42 °F

  • Average 2021–2026

    52 °F

  • Average High 2021–2026

    62.1 °F
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