Atwood Weather Forecast

    • 63
    • 80

    Increasing Clouds

    • 62
    • 80

    Increasing Clouds

    • 63
    • 81

    Mostly Sunny

    • 65
    • 84

    Mostly Sunny

    • 64
    • 83

    Partly Sunny

    • 63
    • 81

    Partly Sunny

    • 64
    • 83

    Mostly Sunny

Today 16 Sep Orange County Inland

Mostly sunny. Highs around 81 towards the coast to 83 to 86 farther inland.

Tonight 16 Sep Orange County Inland

Partly cloudy this evening. Becoming mostly cloudy. Lows 56 to 65. Areas of Winds southwest 10 Mph this evening becoming light.

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Atwood Temperature Statistics

September Temperature

Fullerton, Fullerton Municipal Airport (8.7 miles)

  • Lowest 2 September, 2026

    63.6 °F

  • Average September

    79.3 °F

  • Highest 9 September, 2026

    108.6 °F

Climate (2021–2026)

Fullerton, Fullerton Municipal Airport (8.7 miles)

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  • Average Low 2021–2026

    57.1 °F

  • Average 2021–2026

    66.7 °F

  • Average High 2021–2026

    76.9 °F
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