Santa Margarita River Mouth Weather Forecast

    • 62
    • 68

    Increasing Clouds

    • 61
    • 67

    Mostly Cloudy

    • 62
    • 70

    Partly Sunny

    • 62
    • 69

    Mostly Cloudy

    • 63
    • 69

    Partly Sunny

    • 64
    • 70

    Partly Sunny

Today 16 Sep San Diego County Coastal Areas

Cloudy in the morning. Becoming mostly sunny. Highs 72 to 77. Light Winds.

Tonight 16 Sep San Diego County Coastal Areas

Partly cloudy in the evening. Becoming cloudy. Lows 58 to 65. Light Winds.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Santa Margarita River Mouth Temperature Statistics

September Temperature

Oceanside, Oceanside Municipal Airport (3.7 miles)

  • Lowest 5 September, 2021

    57 °F
  • Average September

    70 °F
  • Highest 9 September, 2021

    82.9 °F

Climate (2010–Present)

Oceanside, Oceanside Municipal Airport (3.7 miles)

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  • Average Low 2010–Present

    53.4 °F
  • Average 2010–Present

    62.3 °F
  • Average High 2010–Present

    71.6 °F
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