Grantville Neighborhood Park Weather Forecast

    • 64
    • 81

    Partly Sunny

    • 64
    • 79

    Mostly Sunny

    • 63
    • 79

    Mostly Sunny

    • 63
    • 81

    Mostly Sunny

    • 63
    • 82

    Sunny

Today 14 Sep San Diego County Coastal Areas

Partly cloudy with patchy fog this morning. Becoming mostly sunny. Highs 74 to 77 near the coast to 78 to 82 inland. Areas of Winds south 10 Mph.

Tonight 14 Sep San Diego County Coastal Areas

Partly cloudy this evening. Becoming cloudy. Lows 60 to 65. Areas of Winds south 10 Mph.

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Grantville Neighborhood Park Temperature Statistics

September Temperature

San Diego, Montgomery Field (2.5 miles)

  • Lowest 3 September, 2026

    59.6 °F

  • Average September

    79.2 °F

  • Highest 9 September, 2026

    103.6 °F

Climate (2021–2026)

San Diego, Montgomery Field (2.5 miles)

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  • Average Low 2021–2026

    56.3 °F

  • Average 2021–2026

    64.6 °F

  • Average High 2021–2026

    73.5 °F
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