Humble Reservoir Weather Forecast

    • 66
    • 95

    Sunny

    • 67
    • 95

    Sunny

    • 64
    • 96

    Mostly Sunny

    • 60
    • 90

    Partly Sunny

    • 61
    • 84

    Mostly Sunny

    • 61
    • 86

    Mostly Sunny

    • 60
    • 86

    Mostly Sunny

Today 18 Mar Orange County Inland

Mostly sunny. Highs 90 to 93 towards the coast to 94 to 98 farther inland. Light Winds becoming southwest 10 Mph this afternoon.

Tonight 18 Mar Orange County Inland

Clear. Lows 59 to 65. Areas of Winds south to 10 Mph this evening becoming light.

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Humble Reservoir Temperature Statistics

March Temperature

Fullerton, Fullerton Municipal Airport (6.8 miles)

  • Lowest 3 March, 2026

    51.7 °F

  • Average March

    67.2 °F

  • Highest 12 March, 2026

    93 °F

Climate (2021–Present)

Fullerton, Fullerton Municipal Airport (6.8 miles)

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  • Average Low 2021–2026

    56.9 °F

  • Average 2021–2026

    66.3 °F

  • Average High 2021–2026

    76.7 °F
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