Lamar County Park Weather Forecast

    • 63
    • 80

    Increasing Clouds

    • 63
    • 79

    Partly Sunny

    • 62
    • 78

    Partly Sunny

    • 61
    • 80

    Mostly Sunny

    • 62
    • 81

    Mostly Sunny

    • 62
    • 81

    Mostly 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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Lamar County Park Temperature Statistics

September Temperature

Gillespie Field Airport (6.2 miles)

  • Lowest 3 September, 2026

    57.2 °F

  • Average September

    76.6 °F

  • Highest 9 September, 2026

    107.6 °F

Climate (2021–2026)

Gillespie Field Airport (6.2 miles)

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  • Average Low 2021–2026

    53.6 °F

  • Average 2021–2026

    60.6 °F

  • Average High 2021–2026

    76.3 °F
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