Kearny Mesa Weather Forecast

    • 68
    • 89

    Increasing Clouds

    • 66
    • 84

    Partly Sunny

    • 64
    • 81

    Mostly Sunny

    • 64
    • 81

    Mostly Sunny

    • 63
    • 80

    Mostly Sunny

    • 64
    • 80

    Mostly Sunny

Today 11 Sep San Diego County Coastal Areas

Partly cloudy in the morning. Becoming mostly sunny. Highs 81 to 86 near the coast to 89 to 92 inland. Areas of Winds south 10 to 15 Mph.

Tonight 11 Sep San Diego County Coastal Areas

Partly cloudy in the evening. Becoming mostly cloudy. Lows 65 to 69. Light Winds.

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  • Temperature Real-Time

Kearny Mesa Temperature Statistics

September Temperature

San Diego, Montgomery Field (0.6 miles)

  • Lowest 3 September, 2026

    59.6 °F

  • Average September

    77.8 °F

  • Highest 7 September, 2026

    100.7 °F

Climate (2021–2026)

San Diego, Montgomery Field (0.6 miles)

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  • Average Low 2021–2026

    56.3 °F

  • Average 2021–2026

    64.5 °F

  • Average High 2021–2026

    73.5 °F
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