Terra Nova Weather Forecast

    • 67
    • 78

    Decreasing Clouds

    • 68
    • 83

    Partly Sunny

    • 68
    • 81

    Mostly Cloudy

    • 68
    • 81

    Chance Rain Showers

    • 67
    • 80

    Chance Rain Showers

    • 67
    • 80

    Patchy Fog

Today 15 Sep San Diego County Coastal Areas

Partly cloudy with patchy fog this morning. Becoming mostly sunny. Highs 72 to 77 near the coast to 79 to 84 inland. Light Winds becoming west 10 Mph this afternoon.

Tonight 15 Sep San Diego County Coastal Areas

Mostly clear in the evening. Becoming partly cloudy overnight with patchy fog. Lows 63 to 67. Light Winds.

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Terra Nova Temperature Statistics

September Temperature

San Diego, Brown Field Municipal Airport (5 miles)

  • Lowest 12 September, 2025

    57 °F

  • Average September

    71.3 °F

  • Highest 7 September, 2025

    88 °F

Climate (2020–Present)

San Diego, Brown Field Municipal Airport (5 miles)

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  • Average Low 2020–2025

    54 °F

  • Average 2020–2025

    63.4 °F

  • Average High 2020–2025

    73.9 °F
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