Walnut Weather Forecast

    • 64
    • 86

    Sunny

    • 63
    • 89

    Mostly Sunny

    • 64
    • 90

    Mostly Sunny

    • 63
    • 87

    Partly Sunny

    • 62
    • 85

    Mostly Sunny

Today 6 Nov Orange County Inland

Sunny. Highs around 85 towards the coast to 82 to 85 farther inland. Areas of Winds northeast 10 to 15 Mph with Gusts to 30 Mph becoming west with Gusts to 25 Mph in the afternoon.

Tonight 6 Nov Orange County Inland

Clear. Lows 60 to 64. Areas of Winds northeast 10 to 20 Mph with Gusts to 40 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Walnut Temperature Statistics

November Temperature

John Wayne-Orange County Airport (4.3 miles)

  • Lowest 2 November, 2026

    55.9 °F

  • Average November

    66.2 °F

  • Highest 2 November, 2026

    75.9 °F

Climate (2021–2026)

John Wayne-Orange County Airport (4.3 miles)

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  • Average Low 2021–2026

    59.2 °F

  • Average 2021–2026

    66.3 °F

  • Average High 2021–2026

    73.9 °F
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