Mira Mesa Weather Forecast

    • 68
    • 84

    Chance Rain Showers

    • 66
    • 81

    Mostly Cloudy

    • 66
    • 81

    Partly Sunny

    • 67
    • 83

    Partly Sunny

    • 67
    • 84

    Partly Sunny

    • 66
    • 85

    Partly Sunny

Today 18 Sep San Diego County Coastal Areas

Partly cloudy with a chance of Showers and a slight chance of Thunderstorms. Highs 76 to 81 near the coast to 81 to 86 inland. Areas of Winds south to 10 Mph. Chance of measurable precipitation 50 percent.

Tonight 18 Sep San Diego County Coastal Areas

Partly cloudy with a slight chance of Showers and Thunderstorms. Lows 65 to 69. Light Winds. Chance of measurable precipitation 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Mira Mesa Temperature Statistics

September Temperature

San Diego, Miramar MCAS/Mitscher Field Airport (3.1 miles)

  • Lowest 9 September, 2025

    60.1 °F

  • Average September

    71 °F

  • Highest 7 September, 2025

    89.1 °F

Climate (2020–Present)

San Diego, Miramar MCAS/Mitscher Field Airport (3.1 miles)

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  • Average Low 2020–2025

    52.6 °F

  • Average 2020–2025

    61.7 °F

  • Average High 2020–2025

    72.3 °F
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