Humble Reservoir Weather Forecast

    • 54
    • 71

    Mostly Sunny

    • 56
    • 79

    Mostly Sunny

    • 53
    • 75

    Partly Sunny

    • 54
    • 70

    Partly Sunny

    • 53
    • 71

    Patchy Fog

    • 52
    • 70

    Mostly Cloudy

    • 55
    • 66

    Rain Showers Likely

Today 17 Dec Orange County Inland

Mostly cloudy this morning. Becoming mostly sunny. Areas of fog this morning. Local visibility one quarter mile or less at Times this morning. Highs around 70 towards the coast to 71 to 74 farther inland. Light Winds.

Tonight 17 Dec Orange County Inland

Partly cloudy. Patchy fog overnight. Local visibility one quarter mile or less at Times overnight. Lows 51 to 54. Light Winds becoming east to 10 Mph overnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Humble Reservoir Temperature Statistics

December Temperature

Fullerton, Fullerton Municipal Airport (6.8 miles)

  • Lowest 5 December, 2025

    45 °F

  • Average December

    61.4 °F

  • Highest 10 December, 2025

    84.9 °F

Climate (2020–Present)

Fullerton, Fullerton Municipal Airport (6.8 miles)

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  • Average Low 2020–2025

    56.8 °F

  • Average 2020–2025

    66.1 °F

  • Average High 2020–2025

    76.4 °F
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