San Onofre State Beach Weather Forecast

    • 61
    • 69

    Mostly Sunny

    • 63
    • 73

    Patchy Fog

    • 64
    • 76

    Partly Sunny

    • 65
    • 78

    Mostly Sunny

    • 61
    • 72

    Mostly Sunny

    • 63
    • 74

    Partly Sunny

    • 62
    • 72

    Partly Sunny

Today 20 Sep San Diego County Coastal Areas

Partly cloudy in the morning. Becoming mostly sunny. Highs 72 to 77 near the coast to 78 inland. Light Winds.

Tonight 20 Sep San Diego County Coastal Areas

Mostly clear. Patchy fog overnight. Lows 57 to 64. Light Winds.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

San Onofre State Beach Temperature Statistics

September Temperature

Mcolf Camp Pendleton (Red Beach) (5.6 miles)

  • Lowest 18 September, 2019

    61 °F
  • Average September

    71.6 °F
  • Highest 4 September, 2019

    82.9 °F

Climate (2010–Present)

Mcolf Camp Pendleton (Red Beach) (5.6 miles)

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  • Average Low 2010–Present

    58 °F
  • Average 2010–Present

    64 °F
  • Average High 2010–Present

    70.2 °F
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