San Dieguito River Mouth Weather Forecast

    • 53
    • 64

    Slight Chance Rain Showers

    • 52
    • 63

    Mostly Cloudy

    • 47
    • 63

    Mostly Sunny

    • 48
    • 65

    Mostly Sunny

    • 50
    • 67

    Mostly Sunny

    • 50
    • 69

    Mostly Sunny

Today 6 Jan San Diego County Coastal Areas

Mostly cloudy with a slight chance of Showers in the Morning, then partly cloudy in the afternoon. Highs around 64. Light Winds. Chance of measurable precipitation 20 percent.

Tonight 6 Jan San Diego County Coastal Areas

Partly cloudy in the evening. Becoming mostly cloudy. A slight chance of Showers. Lows 49 to 53. Light Winds. Chance of measurable precipitation 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

San Dieguito River Mouth Temperature Statistics

January Temperature

San Diego, Miramar MCAS/Mitscher Field Airport (9.9 miles)

  • Lowest 3 January, 2026

    57 °F

  • Average January

    61.5 °F

  • Highest 2 January, 2026

    70 °F

Climate (2021–Present)

San Diego, Miramar MCAS/Mitscher Field Airport (9.9 miles)

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  • Average Low 2021–2026

    52.7 °F

  • Average 2021–2026

    61.7 °F

  • Average High 2021–2026

    72.1 °F
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