San Clemente State Beach Weather Forecast

    • 65
    • 74

    Mostly Cloudy

    • 65
    • 73

    Partly Sunny

    • 68
    • 74

    Partly Sunny

    • 69
    • 75

    Partly Sunny

    • 69
    • 78

    Partly Sunny

    • 69
    • 78

    Partly Sunny

Today 21 Sep Orange County Coastal

Partly cloudy in the morning. Becoming mostly sunny. Highs 76 to 79 at the Beaches to 79 to 83 farther inland and near higher coastal Terrain.

Tonight 21 Sep Orange County Coastal

Partly cloudy. Lows 61 to 65. Areas of Winds west 10 Mph this evening becoming light.

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San Clemente State Beach Temperature Statistics

September Temperature

Mcolf Camp Pendleton (Red Beach) (11.2 miles)

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Climate (2021–2025)

Mcolf Camp Pendleton (Red Beach) (11.2 miles)

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  • Average Low 2021–2025

    56.6 °F

  • Average 2021–2025

    61.8 °F

  • Average High 2021–2025

    67.4 °F
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