Walnut Weather Forecast

    • 67
    • 82

    Becoming Sunny

    • 65
    • 81

    Partly Sunny

    • 64
    • 81

    Partly Sunny

    • 64
    • 78

    Partly Sunny

    • 62
    • 77

    Partly Sunny

    • 61
    • 77

    Partly Sunny

Today 14 Jun Orange County Inland

Partly cloudy with patchy fog this morning. Becoming sunny. Highs 81 to 85. Areas of Winds southwest to 10 Mph.

Tonight 14 Jun Orange County Inland

Mostly clear in the evening. Becoming partly cloudy overnight with patchy fog. Lows 59 to 66. Areas of Winds west 10 Mph in the evening becoming light.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Walnut Temperature Statistics

June Temperature

John Wayne-Orange County Airport (4.3 miles)

  • Lowest 2 June, 2026

    62.7 °F

  • Average June

    68.5 °F

  • Highest 11 June, 2026

    75.9 °F

Climate (2021–Present)

John Wayne-Orange County Airport (4.3 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    59 °F

  • Average 2021–2026

    66 °F

  • Average High 2021–2026

    73.7 °F
Get WillyWeather+ to remove ads