Humble Reservoir Weather Forecast

    • 65
    • 84

    Decreasing Clouds

    • 64
    • 85

    Partly Sunny

    • 64
    • 86

    Partly Sunny

    • 65
    • 86

    Partly Sunny

    • 66
    • 87

    Mostly Sunny

    • 67
    • 90

    Partly Sunny

Today 17 Jul Orange County Inland

Partly cloudy with patchy fog this morning. Becoming mostly sunny. Highs 80 to 83 towards the coast to 84 to 87 farther inland. Areas of Winds south to 10 Mph.

Tonight 17 Jul Orange County Inland

Mostly clear this evening. Becoming partly cloudy. Patchy fog overnight. Lows 61 to 68. Areas of Winds south 10 Mph this evening becoming light.

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Humble Reservoir Temperature Statistics

July Temperature

Fullerton, Fullerton Municipal Airport (6.8 miles)

  • Lowest 3 July, 2026

    61.6 °F

  • Average July

    74.7 °F

  • Highest 15 July, 2026

    91.9 °F

Climate (2021–2026)

Fullerton, Fullerton Municipal Airport (6.8 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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