San Marino Park Weather Forecast

    • 58
    • 71

    Decreasing Clouds

    • 58
    • 70

    Mostly Cloudy

    • 58
    • 73

    Partly Sunny

    • 58
    • 76

    Mostly Sunny

    • 59
    • 80

    Partly Sunny

    • 60
    • 81

    Partly Sunny

Today 15 May Orange County Inland

Cloudy this morning. Becoming mostly sunny. Highs 70 to 74. Areas of Winds south 10 Mph.

Tonight 15 May Orange County Inland

Partly cloudy in the evening. Becoming cloudy. Lows 52 to 57. Areas of Winds south 10 Mph in the evening becoming light.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

San Marino Park Temperature Statistics

May Temperature

Los Alamitos Army Airfield (2.5 miles)

  • Lowest 6 May, 2026

    54.3 °F

  • Average May

    64.5 °F

  • Highest 13 May, 2026

    74.5 °F

Climate (2021–Present)

Los Alamitos Army Airfield (2.5 miles)

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  • Average Low 2021–2026

    54.7 °F

  • Average 2021–2026

    63 °F

  • Average High 2021–2026

    73.2 °F
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