Valley Adams Weather Forecast

    • 70
    • 88

    Increasing Clouds

    • 67
    • 85

    Patchy Fog

    • 66
    • 82

    Mostly Sunny

    • 65
    • 82

    Mostly Sunny

    • 64
    • 80

    Mostly Sunny

    • 65
    • 81

    Mostly Sunny

Today 11 Sep Orange County Inland

Mostly sunny. Highs 86 to 90 towards the coast to 91 to 94 farther inland. Areas of Winds south to 10 Mph.

Tonight 11 Sep Orange County Inland

Mostly clear in the evening. Becoming partly cloudy overnight with patchy fog. Lows 65 to 70. Areas of Winds south 10 Mph in the evening becoming light.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Valley Adams Temperature Statistics

September Temperature

John Wayne-Orange County Airport (3.1 miles)

  • Lowest 2 September, 2026

    65.6 °F

  • Average September

    76.3 °F

  • Highest 8 September, 2026

    98.1 °F

Climate (2021–2026)

John Wayne-Orange County Airport (3.1 miles)

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  • Average Low 2021–2026

    59 °F

  • Average 2021–2026

    66.1 °F

  • Average High 2021–2026

    73.8 °F
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