Anaheim Union Reservoir Weather Forecast

    • 63
    • 85

    Increasing Clouds

    • 62
    • 82

    Partly Sunny

    • 61
    • 79

    Partly Sunny

    • 60
    • 77

    Partly Sunny

    • 58
    • 77

    Partly Sunny

    • 58
    • 76

    Partly Sunny

Today 15 Jun Orange County Inland

Partly cloudy with patchy fog this morning. Becoming sunny. Highs 78 to 82 towards the coast to 82 to 85 farther inland. Areas of Winds west to 10 Mph.

Tonight 15 Jun Orange County Inland

Mostly clear in the evening. Becoming partly cloudy overnight with patchy fog. Lows 60 to 65. Areas of Winds west 10 Mph in the evening becoming light.

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  • Temperature Real-Time

Anaheim Union Reservoir Temperature Statistics

June Temperature

Fullerton, Fullerton Municipal Airport (6.8 miles)

  • Lowest 1 June, 2026

    62.7 °F

  • Average June

    71.8 °F

  • Highest 12 June, 2026

    92.6 °F

Climate (2021–Present)

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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