Los Nietos Weather Forecast

    • 64
    • 83

    Mostly Cloudy

    • 63
    • 83

    Partly Sunny

    • 63
    • 83

    Partly Sunny

    • 64
    • 86

    Mostly Sunny

    • 66
    • 88

    Mostly Sunny

    • 64
    • 87

    Mostly Sunny

    • 64
    • 83

    Mostly Sunny

Today 4 Jul Orange County Inland

Mostly cloudy this morning. Becoming partly cloudy. Patchy fog this morning. Highs around 80 towards the coast to 82 farther inland. Light Winds becoming southwest 10 Mph this afternoon.

Tonight 4 Jul Orange County Inland

Partly cloudy. Patchy dense fog overnight. Lows 59 to 66. Areas of Winds southwest 10 Mph this evening becoming light.

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Los Nietos Temperature Statistics

July Temperature

Fullerton, Fullerton Municipal Airport (4.3 miles)

  • Lowest 1 July, 2026

    64.7 °F

  • Average July

    70.2 °F

  • Highest 2 July, 2026

    79 °F

Climate (2021–2026)

Fullerton, Fullerton Municipal Airport (4.3 miles)

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  • Average Low 2021–2026

    57 °F

  • Average 2021–2026

    66.5 °F

  • Average High 2021–2026

    76.8 °F
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