Mira Costa Weather Forecast

    • 68
    • 83

    Decreasing Clouds

    • 69
    • 83

    Partly Sunny

    • 70
    • 84

    Partly Sunny

    • 69
    • 84

    Mostly Sunny

    • 70
    • 84

    Mostly Sunny

    • 70
    • 85

    Mostly Sunny

Today 20 Aug San Diego County Coastal Areas

Patchy fog this morning. Partly cloudy. Highs 76 to 81 near the coast to 83 to 87 inland. Light Winds becoming southwest 10 Mph this afternoon.

Tonight 20 Aug San Diego County Coastal Areas

Partly cloudy. Patchy fog overnight. Lows 64 to 69. Light Winds.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Mira Costa Temperature Statistics

August Temperature

Oceanside, Oceanside Municipal Airport (2.5 miles)

  • Lowest 5 August, 2026

    62.7 °F
  • Average August

    73.6 °F
  • Highest 7 August, 2026

    83.6 °F

Climate (2021–2026)

Oceanside, Oceanside Municipal Airport (2.5 miles)

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  • Average Low 2021–2026

    52.9 °F
  • Average 2021–2026

    62.7 °F
  • Average High 2021–2026

    72.2 °F
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