Loma Alta Weather Forecast

    • 51
    • 68

    Increasing Clouds

    • 51
    • 65

    Patchy Fog

    • 51
    • 66

    Mostly Cloudy

    • 51
    • 66

    Mostly Sunny

    • 54
    • 65

    Rain Showers

    • 54
    • 64

    Rain Showers

Today 19 Dec San Diego County Coastal Areas

Partly cloudy this morning. Becoming mostly sunny. Areas of fog this morning. Local visibility one quarter mile or less at Times this morning. Highs 66 to 70 near the coast to 72 to 75 inland. Light Winds.

Tonight 19 Dec San Diego County Coastal Areas

Partly cloudy in the evening. Becoming mostly cloudy overnight with patchy fog. Lows 49 to 53. Light Winds.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Loma Alta Temperature Statistics

December Temperature

Oceanside, Oceanside Municipal Airport (0.6 miles)

  • Lowest 2 December, 2025

    41 °F

  • Average December

    60 °F

  • Highest 9 December, 2025

    79 °F

Climate (2020–Present)

Oceanside, Oceanside Municipal Airport (0.6 miles)

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  • Average Low 2020–2025

    52.8 °F

  • Average 2020–2025

    62.3 °F

  • Average High 2020–2025

    71.6 °F
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