Santa Margarita River Mouth Weather Forecast

    • 64
    • 70

    Increasing Clouds

    • 63
    • 71

    Mostly Cloudy

    • 62
    • 68

    Mostly Cloudy

    • 60
    • 68

    Mostly Cloudy

    • 61
    • 68

    Mostly Cloudy

    • 61
    • 68

    Mostly Cloudy

Today 16 Jun San Diego County Coastal Areas

Partly cloudy with patchy fog this morning. Becoming mostly sunny. Highs 71 to 74 near the coast to 75 to 79 inland. Areas of Winds northwest to 10 Mph becoming west with Gusts to 25 Mph this afternoon.

Tonight 16 Jun San Diego County Coastal Areas

Partly cloudy in the evening. Becoming cloudy overnight with patchy fog. Lows 59 to 64. Areas of Winds west 10 Mph in the evening becoming light.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Santa Margarita River Mouth Temperature Statistics

June Temperature

Oceanside, Oceanside Municipal Airport (3.7 miles)

  • Lowest 9 June, 2026

    55.7 °F

  • Average June

    67.7 °F

  • Highest 12 June, 2026

    79.6 °F

Climate (2021–Present)

Oceanside, Oceanside Municipal Airport (3.7 miles)

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  • Average Low 2021–2026

    52.9 °F

  • Average 2021–2026

    62.6 °F

  • Average High 2021–2026

    72.1 °F
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