Oceanside Weather Forecast

    • 59
    • 72

    Mostly Sunny

    • 59
    • 72

    Mostly Sunny

    • 59
    • 70

    Mostly Cloudy

    • 59
    • 70

    Partly Sunny

    • 59
    • 69

    Patchy Fog

    • 60
    • 70

    Partly Sunny

    • 59
    • 71

    Partly Sunny

Today 19 Mar San Diego County Coastal Areas

Partly cloudy with patchy fog this morning. Becoming mostly sunny. Local visibility one quarter mile or less at Times this morning. Highs 79 to 84 near the coast to 88 to 93 inland. Light Winds becoming west 10 Mph this afternoon.

Tonight 19 Mar San Diego County Coastal Areas

Mostly clear. Lows 57 to 62. Light Winds.

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Oceanside Temperature Statistics

March Temperature

Oceanside, Oceanside Municipal Airport (1.9 miles)

  • Lowest 6 March, 2026

    43 °F

  • Average March

    63.4 °F

  • Highest 8 March, 2026

    88 °F

Climate (2021–Present)

Oceanside, Oceanside Municipal Airport (1.9 miles)

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  • Average Low 2021–2026

    52.8 °F

  • Average 2021–2026

    62.4 °F

  • Average High 2021–2026

    71.9 °F
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