Mira Costa Weather Forecast

    • 56
    • 76

    Mostly Sunny

    • 56
    • 78

    Mostly Sunny

    • 56
    • 81

    Mostly Sunny

    • 56
    • 82

    Patchy Fog

    • 58
    • 82

    Patchy Fog

    • 58
    • 82

    Patchy Fog

Today 23 Mar San Diego County Coastal Areas

Partly cloudy with patchy fog this morning. Becoming mostly sunny. Highs 71 to 76 near the coast to 78 to 82 inland. Light Winds becoming west 10 Mph this afternoon.

Tonight 23 Mar San Diego County Coastal Areas

Partly cloudy. Patchy fog overnight. Lows 53 to 58. Light Winds.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Mira Costa Temperature Statistics

March Temperature

Oceanside, Oceanside Municipal Airport (2.5 miles)

  • Lowest 6 March, 2026

    43 °F

  • Average March

    63.3 °F

  • Highest 8 March, 2026

    88 °F

Climate (2021–Present)

Oceanside, Oceanside Municipal Airport (2.5 miles)

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  • Average Low 2021–2026

    52.8 °F

  • Average 2021–2026

    62.5 °F

  • Average High 2021–2026

    72 °F
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